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//ProjectEuler/C++/Headers/Problem.hpp
//Matthew Ellison
// Created: 07-04-19
//Modified: 07-10-19
//This is an abstract base class to allow polymorphism for the individual problems
#ifndef PROBLEM_HPP
#define PROBLEM_HPP
#include <string>
#include "Stopwatch.hpp"
class Problem{
protected:
const std::string description; //Holds the description of the problem
mee::Stopwatch timer; //Used to determine your algorithm's run time
bool solved; //Holds true after the problem has been solved
class unsolved{}; //An exception class thrown if you try to access something before it has been solved
public:
//Constructors
Problem() : solved(false){
}
Problem(std::string description) : description(description), solved(false){
}
virtual ~Problem(){
}
virtual std::string getDescription() const{
return description;
}
virtual std::string getTime(){
return timer.getStr();
}
virtual void solve() = 0;
virtual std::string getString() const = 0;
};
#endif //PROBLEM_HPP

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//ProjectEuler/C++/Headers/Problem1.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//What is the sum of all the multiples of 3 or 5 that are less than 1000
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM1_HPP
#define PROBLEM1_HPP
#include <vector>
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem1: public Problem{
private:
static uint64_t MAX_NUMBER;
uint64_t fullSum; //For the sum of all the numbers
std::vector<uint64_t> numbers; //Holds all the numbers
public:
Problem1();
virtual void solve();
virtual std::string getString() const;
//Returns the requested sum
uint64_t getSum() const;
};
/* Results:
The sum of all the numbers < 1000 that are divisible by 3 or 5 is 233168
It took 4.500 microseconds to solve this problem.
*/
#endif //PROBLEM1_HPP

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//ProjectEuler/C++/Headers/Problem10.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//Find the sum of all the primes below two million
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM10_HPP
#define PROBLEM10_HPP
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem10 : public Problem{
private:
static uint64_t GOAL_NUMBER;
uint64_t sum;
public:
Problem10();
virtual void solve();
virtual std::string getString() const;
//Returns the sum that was requested
uint64_t getSum() const;
};
/* Results:
The sum of all the primes less than 2000000 is 142913828922
It took 162.240 milliseconds to solve this problem.
*/
#endif //PROBLEM10_HPP

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//ProjectEuler/C++/Headers/Problem11.hpp
//MatthewEllison
// Created: 09-29-18
//Modified: 07-14-19
//What is the greatest product of four adjacent numbers in the same direction (up, down, left, right, or diagonally) in the 20×20 grid?
/*
08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08
49 49 99 40 17 81 18 57 60 87 17 40 98 43 69 48 04 56 62 00
81 49 31 73 55 79 14 29 93 71 40 67 53 88 30 03 49 13 36 65
52 70 95 23 04 60 11 42 69 24 68 56 01 32 56 71 37 02 36 91
22 31 16 71 51 67 63 89 41 92 36 54 22 40 40 28 66 33 13 80
24 47 32 60 99 03 45 02 44 75 33 53 78 36 84 20 35 17 12 50
32 98 81 28 64 23 67 10 26 38 40 67 59 54 70 66 18 38 64 70
67 26 20 68 02 62 12 20 95 63 94 39 63 08 40 91 66 49 94 21
24 55 58 05 66 73 99 26 97 17 78 78 96 83 14 88 34 89 63 72
21 36 23 09 75 00 76 44 20 45 35 14 00 61 33 97 34 31 33 95
78 17 53 28 22 75 31 67 15 94 03 80 04 62 16 14 09 53 56 92
16 39 05 42 96 35 31 47 55 58 88 24 00 17 54 24 36 29 85 57
86 56 00 48 35 71 89 07 05 44 44 37 44 60 21 58 51 54 17 58
19 80 81 68 05 94 47 69 28 73 92 13 86 52 17 77 04 89 55 40
04 52 08 83 97 35 99 16 07 97 57 32 16 26 26 79 33 27 98 66
88 36 68 87 57 62 20 72 03 46 33 67 46 55 12 32 63 93 53 69
04 42 16 73 38 25 39 11 24 94 72 18 08 46 29 32 40 62 76 36
20 69 36 41 72 30 23 88 34 62 99 69 82 67 59 85 74 04 36 16
20 73 35 29 78 31 90 01 74 31 49 71 48 86 81 16 23 57 05 54
01 70 54 71 83 51 54 69 16 92 33 48 61 43 52 01 89 19 67 48
*/
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM11_HPP
#define PROBLEM11_HPP
#include <vector>
#include <string>
#include "Problem.hpp"
class Problem11 : public Problem{
private:
//This is the grid of number that we will be working with
static std::vector<int> grid[20];
std::vector<int> greatestProduct; //This is a vector containing the largest product we have found so far
public:
Problem11();
virtual void solve();
virtual std::string getString() const;
//Returns the numbers that were being searched
std::vector<int> getNumbers() const;
//Returns the product that was requested
int getProduct() const;
};
/* Results:
The greatest product of 4 number in a line is 70600674
The numbers are 89 94 97 87
It took 12.900 microseconds to solve this problem
*/
#endif //PROBLEM11_HPP

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//ProjectEuler/C++/Headers/Problem12.hpp
//Matthew Ellison
// Created: 09-27-18
//Modified: 07-14-19
//What is the value of the first triangle number to have over five hundred divisors?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/* Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM12_HPP
#define PROBLEM12_HPP
#include <vector>
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem12 : public Problem{
private:
static uint64_t GOAL_DIVISORS; //The number of divisors that you want
int64_t sum; //The sum of the numbers up to counter
int64_t counter; //The next number to be added to sum
std::vector<int64_t> divisors; //Holds the divisors of the triangular number sum
public:
Problem12();
virtual void solve();
virtual std::string getString() const;
//Returns the triangular number
int64_t getTriangularNumber() const;
//Get the final number that was added to the triangular number
int64_t getLastNumberAdded() const;
//Returns the list of divisors of the requested number
std::vector<int64_t> getDivisorsOfTriangularNumber() const;
//Returns the number of divisors of the requested number
size_t getNumberOfDivisors() const;
};
/* Results:
The triangular number 76576500 is a sum of all numbers >= 12375 and has 576 divisors
It took 262.765 milliseconds to solve this problem.
*/
#endif //PROBLEM12_HPP

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//ProjectEuler/C++/Headers/Problem13.hpp
//Matthew Ellison
// Created: 09-29-18
//Modified: 07-14-19
//Work out the first ten digits of the sum of the following one-hundred 50-digit numbers
/*
37107287533902102798797998220837590246510135740250
46376937677490009712648124896970078050417018260538
74324986199524741059474233309513058123726617309629
91942213363574161572522430563301811072406154908250
23067588207539346171171980310421047513778063246676
89261670696623633820136378418383684178734361726757
28112879812849979408065481931592621691275889832738
44274228917432520321923589422876796487670272189318
47451445736001306439091167216856844588711603153276
70386486105843025439939619828917593665686757934951
62176457141856560629502157223196586755079324193331
64906352462741904929101432445813822663347944758178
92575867718337217661963751590579239728245598838407
58203565325359399008402633568948830189458628227828
80181199384826282014278194139940567587151170094390
35398664372827112653829987240784473053190104293586
86515506006295864861532075273371959191420517255829
71693888707715466499115593487603532921714970056938
54370070576826684624621495650076471787294438377604
53282654108756828443191190634694037855217779295145
36123272525000296071075082563815656710885258350721
45876576172410976447339110607218265236877223636045
17423706905851860660448207621209813287860733969412
81142660418086830619328460811191061556940512689692
51934325451728388641918047049293215058642563049483
62467221648435076201727918039944693004732956340691
15732444386908125794514089057706229429197107928209
55037687525678773091862540744969844508330393682126
18336384825330154686196124348767681297534375946515
80386287592878490201521685554828717201219257766954
78182833757993103614740356856449095527097864797581
16726320100436897842553539920931837441497806860984
48403098129077791799088218795327364475675590848030
87086987551392711854517078544161852424320693150332
59959406895756536782107074926966537676326235447210
69793950679652694742597709739166693763042633987085
41052684708299085211399427365734116182760315001271
65378607361501080857009149939512557028198746004375
35829035317434717326932123578154982629742552737307
94953759765105305946966067683156574377167401875275
88902802571733229619176668713819931811048770190271
25267680276078003013678680992525463401061632866526
36270218540497705585629946580636237993140746255962
24074486908231174977792365466257246923322810917141
91430288197103288597806669760892938638285025333403
34413065578016127815921815005561868836468420090470
23053081172816430487623791969842487255036638784583
11487696932154902810424020138335124462181441773470
63783299490636259666498587618221225225512486764533
67720186971698544312419572409913959008952310058822
95548255300263520781532296796249481641953868218774
76085327132285723110424803456124867697064507995236
37774242535411291684276865538926205024910326572967
23701913275725675285653248258265463092207058596522
29798860272258331913126375147341994889534765745501
18495701454879288984856827726077713721403798879715
38298203783031473527721580348144513491373226651381
34829543829199918180278916522431027392251122869539
40957953066405232632538044100059654939159879593635
29746152185502371307642255121183693803580388584903
41698116222072977186158236678424689157993532961922
62467957194401269043877107275048102390895523597457
23189706772547915061505504953922979530901129967519
86188088225875314529584099251203829009407770775672
11306739708304724483816533873502340845647058077308
82959174767140363198008187129011875491310547126581
97623331044818386269515456334926366572897563400500
42846280183517070527831839425882145521227251250327
55121603546981200581762165212827652751691296897789
32238195734329339946437501907836945765883352399886
75506164965184775180738168837861091527357929701337
62177842752192623401942399639168044983993173312731
32924185707147349566916674687634660915035914677504
99518671430235219628894890102423325116913619626622
73267460800591547471830798392868535206946944540724
76841822524674417161514036427982273348055556214818
97142617910342598647204516893989422179826088076852
87783646182799346313767754307809363333018982642090
10848802521674670883215120185883543223812876952786
71329612474782464538636993009049310363619763878039
62184073572399794223406235393808339651327408011116
66627891981488087797941876876144230030984490851411
60661826293682836764744779239180335110989069790714
85786944089552990653640447425576083659976645795096
66024396409905389607120198219976047599490197230297
64913982680032973156037120041377903785566085089252
16730939319872750275468906903707539413042652315011
94809377245048795150954100921645863754710598436791
78639167021187492431995700641917969777599028300699
15368713711936614952811305876380278410754449733078
40789923115535562561142322423255033685442488917353
44889911501440648020369068063960672322193204149535
41503128880339536053299340368006977710650566631954
81234880673210146739058568557934581403627822703280
82616570773948327592232845941706525094512325230608
22918802058777319719839450180888072429661980811197
77158542502016545090413245809786882778948721859617
72107838435069186155435662884062257473692284509516
20849603980134001723930671666823555245252804609722
53503534226472524250874054075591789781264330331690
*/
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
//This file contains a header from the gmp library. The library is used for large integers.
//You can find more information about them at https://gmplib.org/
//When compiling this file you need to have the gmp library installed as well as linking the libraries to your executable using the -lgmpxx and -lgmp flags
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM13_HPP
#define PROBLEM13_HPP
#include <cinttypes>
#include <vector>
#include <string>
#include "gmpxx.h" //This is part of the gmp library
#include "Problem.hpp"
class Problem13 : public Problem{
private:
//A vector to hold all of the numbers
static std::vector<mpz_class> nums;
mpz_class sum;
public:
Problem13();
virtual void solve();
virtual std::string getString() const;
//Returns the list 50-digit numbers
std::vector<mpz_class> getNumbers() const;
//Returns the sum of the 50-digit numbers
mpz_class getSum() const;
};
/* Results:
The sum of all 100 numbers is 5537376230390876637302048746832985971773659831892672
The first 10 digits of the sum of the numbers is 5537376230
It took 10.000 microseconds to solve this problem.
*/
#endif //PROBLEM13_HPP

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//ProjectEuler/C++/Headers/Problem14.hpp
//Matthew Ellison
// Created: 09-29-18
//Modified: 07-14-19
/*
The following iterative sequence is defined for the set of positive integers:
n → n/2 (n is even)
n → 3n + 1 (n is odd)
Which starting number, under one million, produces the longest chain?
*/
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM14_HPP
#define PROBLEM14_HPP
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem14 : public Problem{
private:
//This function follows the rules of the sequence and returns its length
uint64_t checkSeries(uint64_t num);
static uint64_t MAX_NUM; //This is the top number that you will be checking against the series
uint64_t maxLength; //This is the length of the longest chain
uint64_t maxNum; //This is the starting number of the longest chain
public:
Problem14();
virtual void solve();
virtual std::string getString() const;
//Returns the length of the requested chain
uint64_t getLength() const;
//Returns the starting number of the requested chain
uint64_t getStartingNumber() const;
};
/* Results:
The number 837799 produced a chain of 525 steps
It took 179.333 milliseconds to solve this problem.
*/
#endif //PROBLEM14_HPP

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//ProjectEuler/C++/Headers/Problem15.hpp
//Matthew Ellison
// Created: 09-29-18
//Modified: 07-14-19
//How many routes from the top left corner to the bottom right corner are there through a 20×20 grid if you can only move right and down?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM15_HPP
#define PROBLEM15_HPP
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem15 : public Problem{
private:
static int WIDTH; //The width of the grid
static int LENGTH; //The length of the grid
uint64_t numOfRoutes; //The number of routes from 0, 0 to 20, 20
//This function acts as a handler for moving the position on the grid and counting the distance
//If moves right first, then down
void move(int currentX, int currentY, uint64_t& numOfRoutes);
public:
Problem15();
virtual void solve();
virtual std::string getString() const;
//Returns the number of routes found
uint64_t getNumberOfRoutes() const;
};
/* Results:
The number of routes is 137846528820
It took 12.1234 minutes to run this algorithm
*/
#endif //PROBLEM15_HPP

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//ProjectEuler/C++/Headers/Problem16.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//What is the sum of the digits of the number 2^1000?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
//This file contains a header from the gmp library. The library is used for large integers.
//You can find more information about them at https://gmplib.org/
//When compiling this file you need to have the gmp library installed as well as linking the libraries to your executable using the -lgmpxx and -lgmp flags
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM16_HPP
#define PROBLEM16_HPP
#include <string>
#include <gmpxx.h>
#include "Problem.hpp"
class Problem16 : public Problem{
private:
static int NUM_TO_POWER; //The number that is going to be raised to a power
static int POWER; //The power that the number is going to be raised to
mpz_class num; //The number to be calculated
int sumOfElements; //The sum of all digits in the number
public:
Problem16();
virtual void solve();
virtual std::string getString() const;
//Returns the number that was calculated
mpz_class getNumber() const;
//Return the sum of the digits of the number
int getSum() const;
};
/* Results:
2^1000 = 10715086071862673209484250490600018105614048117055336074437503883703510511249361224931983788156958581275946729175531468251871452856923140435984577574698574803934567774824230985421074605062371141877954182153046474983581941267398767559165543946077062914571196477686542167660429831652624386837205668069376
The sum of the elements is 1366
It took 7.300 microseconds to solve this problem.
*/
#endif //PROBLEM16_HPP

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//ProjectEuler/C++/Headers/Problem17.hpp
//Matthew Ellison
// Created: 10-05-18
//Modified: 07-14-19
//If all the numbers from 1 to 1000 (one thousand) inclusive were written out in words, how many letters would be used?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM17_HPP
#define PROBLEM17_HPP
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem17 : public Problem{
private:
std::string makeWord(int num);
std::string wordHelper(int num);
uint64_t countLetters(std::string str);
static int TOP_NUM; //This is the largest number to get the words of
uint64_t letterCount; //This is the cumulative number of letters in the words of the numbers
public:
Problem17();
virtual void solve();
virtual std::string getString() const;
//Returns the number of letters asked for
uint64_t getLetterCount() const;
};
/* Results:
The number of letters is 21124
It took 217.500 microseconds to solve this problem.
*/
#endif //Problem17_HPP

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//ProjectEuler/C++/Headers/Problem18.hpp
//Matthew Ellison
// Created: 11-01-18
//Modified: 07-14-19
//Find the maximum total from top to bottom
/*
75
95 64
17 47 82
18 35 87 10
20 04 82 47 65
19 01 23 75 03 34
88 02 77 73 07 63 67
99 65 04 28 06 16 70 92
41 41 26 56 83 40 80 70 33
41 48 72 33 47 32 37 16 94 29
53 71 44 65 25 43 91 52 97 51 14
70 11 33 28 77 73 17 78 39 68 17 57
91 71 52 38 17 14 91 43 58 50 27 29 48
63 66 04 68 89 53 67 30 73 16 69 87 40 31
04 62 98 27 23 09 70 98 73 93 38 53 60 04 23
*/
//This is done using a breadth first search
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM18_HPP
#define PROBLEM18_HPP
#include <vector>
#include <list>
#include <string>
#include "Problem.hpp"
class Problem18 : public Problem{
private:
struct location{
int xLocation;
int yLocation;
int total;
bool fromRight;
location(int x, int y, int t, bool r) : xLocation(x), yLocation(y), total(t), fromRight(r){ }
};
//This list turns every number in the vector into 100 - num
void invert();
static const int NUM_ROWS = 15; //The number of rows in the array
//Setup the list you are trying to find a path through
static std::vector<int> list[NUM_ROWS];
std::list<location> foundPoints; //For the points that I have already found the shortest distance to
std::list<location> possiblePoints; //For the locations you are checking this round
int actualTotal; //The true total of the path from the top to the bottom
public:
Problem18();
virtual void solve();
virtual std::string getString() const;
//Returns the pyramid that was traversed as a string
std::string getPyramid();
//Returns the trail the algorithm took as a string
std::string getTrail();
//Returns the total that was asked for
int getTotal() const;
};
/* Results:
The value of the longest path is 1074
It took 16.500 microseconds to solve this problem.
*/
#endif //PROBLEM18_HPP

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//ProjectEuler/C++/Headers/Problem19.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//How many Sundays fell on the first of the month during the twentieth century (1 Jan 1901 to 31 Dec 2000)?
/*
You are given the following information, but you may prefer to do some research for yourself.
1 Jan 1900 was a Monday.
Thirty days has September,
April, June and November.
All the rest have thirty-one,
Saving February alone,
Which has twenty-eight, rain or shine.
And on leap years, twenty-nine.
A leap year occurs on any year evenly divisible by 4, but not on a century unless it is divisible by 400.
*/
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM19_HPP
#define PROBLEM19_HPP
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem19 : public Problem{
private:
//Variables
//An easier way to return the days
enum DAYS {SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, NUMBER_OF_DAYS, ERROR};
static unsigned int START_YEAR; //The start year
static unsigned int END_YEAR; //The stop year
uint64_t totalSundays; //Keep track of the number of sundays
//Functions
//Return the day of the week that the date you pass into it is on
DAYS getDay(unsigned int month, unsigned int day, unsigned int year);
//Returns true if the year passed to it is a leap year
bool isLeapYear(unsigned int year);
public:
Problem19();
virtual void solve();
virtual std::string getString() const;
//Returns the total sundays that were asked for
uint64_t getTotalSundays() const;
};
/* Results
There are 171 Sundays that landed on the first of the months from 1901 to 2000
It took 4.579 milliseconds to solve this problem.
*/
#endif //PROBLEM19_HPP

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//ProjectEuler/C++/Headers/Problem2.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//The sum of the even Fibonacci numbers less than 4,000,000
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM2_HPP
#define PROBLEM2_HPP
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem2 : public Problem{
private:
static uint64_t TOP_NUM; //Holds the largest number that we are looking for
uint64_t fullSum; //Holds the sum of all the numbers
public:
Problem2();
virtual void solve();
virtual std::string getString() const;
//Returns the requested sum
uint64_t getSum() const;
};
/* Results:
The sum of the even Fibonacci numbers less than 4,000,000 is 4613732
It took 2.200 microseconds to solve this problem.
*/
#endif //PROBLEM2_HPP

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//ProjectEuler/C++/Headers/Problem20.hpp
//Matthew Ellison
// Created: 11-07-18
//Modified: 07-14-19
//What is the sum of the digits of 100!?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
//This file contains a header from the gmp library. The library is used for large integers.
//You can find more information about them at https://gmplib.org/
//When compiling this file you need to have the gmp library installed as well as linking the libraries to your executable using the -lgmpxx and -lgmp flags
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM20_HPP
#define PROBLEM20_HPP
#include <cinttypes>
#include <string>
#include "gmpxx.h"
#include "Problem.hpp"
class Problem20 : public Problem{
private:
mpz_class num; //Holds the number 100!
uint64_t sum; //The sum of the digits of num
public:
Problem20();
virtual void solve();
virtual std::string getString() const;
//Returns the number 100!
mpz_class getNumber() const;
//Returns the number 100! in a string
std::string getNumberString() const;
//Returns the sum of the digits of 100!
uint64_t getSum() const;
};
/* Results:
100! = 93326215443944152681699238856266700490715968264381621468592963895217599993229915608941463976156518286253697920827223758251185210916864000000000000000000000000
The sum of the digits is: 648
It took 8.300 microseconds to solve this problem.
*/
#endif //PROBLEM20_HPP

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//ProjectEuler/C++/Headers/Problem21.hpp
//Matthew Ellison
// Created: 11-08-18
//Modified: 07-14-19
//Evaluate the sum of all the amicable numbers under 10000
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM21_HPP
#define PROBLEM21_HPP
#include <cinttypes>
#include <vector>
#include <string>
#include "Problem.hpp"
class Problem21 : public Problem{
private:
static int LIMIT; //The top number that will be evaluated
std::vector<uint64_t> divisorSum; //Holds the sum of the divisors of the subscript number
std::vector<uint64_t> amicable; //Holds all amicable numbers
public:
Problem21();
virtual void solve();
virtual std::string getString() const;
//Returns a vector with all of the amicable numbers calculated
std::vector<uint64_t> getAmicable() const;
//Returns the sum of all of the amicable numbers
uint64_t getSum() const;
};
/* Results:
All amicable numbers less than 10000 are
220
284
1184
1210
2620
2924
5020
5564
6232
6368
The sum of all of these amicable numbers is 31626
It took 4.083 milliseconds to solve this problem.
*/
#endif //PROBLEM21_HPP

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//ProjectEuler/C++/Headers/Problem22.hpp
//Matthew Ellison
// Created: 11-09-18
//Modified: 07-14-19
//What is the total of all the name scores in the file?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM22_HPP
#define PROBLEM22_HPP
#include <string>
#include <vector>
#include <cinttypes>
#include "Problem.hpp"
class Problem22 : public Problem{
private:
std::vector<uint64_t> sums; //Holds the score based on the sum of the characters in the name
std::vector<uint64_t> prod; //Holds the score based on the sum of the characters and the location in alphabetical order
static std::vector<std::string> names; //Holds the names that will be scored
public:
Problem22();
virtual void solve();
virtual std::string getString() const;
//Returns the vector of the names being scored
std::vector<std::string> getNames() const;
//Returns the sum of the names scores
uint64_t getNameScoreSum() const;
};
/* Results:
The answer to the question is 871198282
It took 638.400 microseconds to solve this problem.
*/
#endif //Problem22

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//ProjectEuler/C++/Headers/Problem23.hpp
//Matthew Ellison
// Created: 11-09-18
//Modified: 07-14-19
//Find the sum of all the positive integers which cannot be written as the sum of two abundant numbers
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM23_HPP
#define PROBLEM23_HPP
#include <vector>
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem23 : public Problem{
private:
static int MAX_NUM;
std::vector<uint64_t> divisorSums; //This gives the sum of the divisors at subscripts
uint64_t sum; //The sum of all the numbers we are looking for
//A function that returns true if num can be created by adding two elements from abund and false if it cannot
bool isSum(const std::vector<int>& abund, int num);
public:
Problem23();
virtual void solve();
virtual std::string getString() const;
//Returns the sum of the numbers asked for
uint64_t getSum() const;
};
/* Results:
The answer is 4179871
It took 4.888 seconds to solve this problem.
*/
#endif //PROBLEM23_HPP

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//ProjectEuler/C++/Headers/Problem24.hpp
//Matthew Ellison
// Created: 11-11-18
//Modified: 07-14-19
//What is the millionth lexicographic permutation of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM24_HPP
#define PROBLEM24_HPP
#include <string>
#include <vector>
#include "Problem.hpp"
class Problem24 : public Problem{
private:
static int NEEDED_PERM; //The number of the permutation that you need
static std::string nums; //All of the characters that we need to get the permutations of
std::vector<std::string> permutations; //Holds all of the permutations of the string nums
public:
Problem24();
virtual void solve();
virtual std::string getString() const;
//Returns a vector with all of the permutations
std::vector<std::string> getPermutationsList() const;
//Returns the specific permutations you are looking for
std::string getPermutation() const;
};
/* Results
The 1 millionth permutation is 2783915460
It took 1.166 seconds to solve this problem.
*/
#endif //PROBLEM24_HPP

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//ProjectEuler/C++/Headers/Problem25.hpp
//Matthew Ellison
// Created: 11-13-18
//Modified: 07-14-19
//What is the index of the first term in the Fibonacci sequence to contain 1000 digits?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
//This file contains a header from the gmp library. The library is used for large integers.
//You can find more information about them at https://gmplib.org/
//When compiling this file you need to have the gmp library installed as well as linking the libraries to your executable using the -lgmpxx and -lgmp flags
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM25_HPP
#define PROBLEM25_HPP
#include <string>
#include "gmpxx.h"
#include "Problem.hpp"
class Problem25 : public Problem{
private:
static unsigned int NUM_DIGITS; //The number of digits to calculate up to
mpz_class number; //The current Fibonacci number
mpz_class index; //The index of the current Fibonacci number just calculated
public:
Problem25();
virtual void solve();
virtual std::string getString() const;
mpz_class getNumber() const; //Returns the Fibonacci number asked for
std::string getNumberString() const; //Returns the Fibonacci number asked for as a string
mpz_class getIndex() const; //Returns the index of the requested Fibonacci number
std::string getIndexString() const; //Returns the index of the requested Fibonacci number as a string
uint64_t getIndexInt() const; //Returns the index of the requested Fibonacci number as a uint64_t
};
/* Results:
The first Fibonacci number with 1000 digits is 1070066266382758936764980584457396885083683896632151665013235203375314520604694040621889147582489792657804694888177591957484336466672569959512996030461262748092482186144069433051234774442750273781753087579391666192149259186759553966422837148943113074699503439547001985432609723067290192870526447243726117715821825548491120525013201478612965931381792235559657452039506137551467837543229119602129934048260706175397706847068202895486902666185435124521900369480641357447470911707619766945691070098024393439617474103736912503231365532164773697023167755051595173518460579954919410967778373229665796581646513903488154256310184224190259846088000110186255550245493937113651657039447629584714548523425950428582425306083544435428212611008992863795048006894330309773217834864543113205765659868456288616808718693835297350643986297640660000723562917905207051164077614812491885830945940566688339109350944456576357666151619317753792891661581327159616877487983821820492520348473874384736771934512787029218636250627816
Its index is 4782
It took 188.246 milliseconds to solve this problem.
*/
#endif //PROBLEM25_HPP

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//ProjectEuler/C++/Headers/Problem26.hpp
//Matthew Ellison
// Created: 07-28-19
//Modified: 07-28-19
//Find the value of d < 1000 for which 1/d contains the longest recurring cycle in its decimal fraction part.
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM26_HPP
#define PROBLEM26_HPP
#include <string>
#include "Problem.hpp"
class Problem26 : public Problem{
private:
static unsigned int TOP_NUMBER; //Holds the highest denominator we will check
unsigned int longestCycle; //The length of the longest cycle
unsigned int longestNumber; //The starting denominator of the longest cycle
public:
Problem26();
virtual void solve();
virtual std::string getString() const;
unsigned int getLongestCycle() const; //Returns the length of the longest cycle
unsigned int getLongestNumber() const; //Returns the denominator that starts the longest cycle
};
/* Results:
The longest cycle is 982 digits long
It is started with the number 983
It took 6.865 milliseconds to solve this problem.
*/
#endif //PROBLEM26_HPP

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//ProjectEuler/C++/Headers/Problem27.hpp
//Matthew Ellison
// Created: 09-14-19
//Modified: 09-14-19
//Find the product of the coefficients, |a| < 1000 and |b| <= 1000, for the quadratic expression that produces the maximum number of primes for consecutive values of n, starting with n=0.
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM27_HPP
#define PROBLEM27_HPP
#include <string>
#include <cinttypes>
#include <vector>
#include "Problem.hpp"
class Problem27 : public Problem{
private:
int64_t topA; //The A for the most n's generated
int64_t topB; //The B for the most n's generated
int64_t topN; //The most n's generated
std::vector<int64_t> primes; //A list of all primes that could possibly be generated with this formula
public:
Problem27();
virtual void solve();
virtual std::string getString() const;
int64_t getTopA() const;
int64_t getTopB() const;
int64_t getTopN() const;
};
/* Results:
The greatest number of primes found is 70
It was found with A = -61, B = 971
The product of A and B is -59231
It took 2.076 seconds to solve this problem.
*/
#endif //PROBLEM27_HPP

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//ProjectEuler/C++/Headers/Problem28.hpp
//Matthew Ellison
// Created: 09-21-19
//Modified: 09-21-19
//What is the sum of the numbers on the diagonals in a 1001 by 1001 spiral formed by starting with the number 1 and moving to the right in a clockwise direction a 5 by 5 spiral
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM28_HPP
#define PROBLEM28_HPP
#include <string>
#include <cinttypes>
#include <vector>
#include "Problem.hpp"
class Problem28 : public Problem{
private:
std::vector<std::vector<int>> grid; //Holds the grid that we will be filling and searching
uint64_t sumOfDiagonals; //Holds the sum of the diagonals of the grid
void setupGrid(); //Sets up the grid
void findSum(); //Finds the sum of the diagonals in the grid
public:
Problem28();
virtual void solve();
virtual std::string getString() const;
std::vector<std::vector<int>> getGrid() const; //Returns the grid
uint64_t getSum() const; //Returns the sum of the diagonals
};
/* Results:
The sum of the diagonals in the given grid is 669171001
It took 913.800 microseconds to solve this problem.
*/
#endif //PROBLEM28_HPP

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//ProjectEuler/C++/Headers/Problem29.hpp
//Matthew Ellison
// Created: 10-06-19
//Modified: 10-06-19
//How many distinct terms are in the sequence generated by a^b for 2 <= a <= 100 and 2 <= b <= 100?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
//This file contains a header from the gmp library. The library is used for large integers.
//You can find more information about them at https://gmplib.org/
//When compiling this file you need to have the gmp library installed as well as linking the libraries to your executable using the -lgmpxx and -lgmp flags
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM29_HPP
#define PROBLEM29_HPP
#include <string>
#include <cinttypes>
#include <vector>
#include <gmpxx.h>
#include "Problem.hpp"
class Problem29 : public Problem{
private:
static const unsigned int BOTTOM_A = 2; //The lowest possible value for a
static const unsigned int TOP_A = 100; //The highest possible value for a
static const unsigned int BOTTOM_B = 2; //The lowest possible value for b
static const unsigned int TOP_B = 100; //The highest possible value for b
std::vector<mpz_class> unique; //Holds all values in powers, except repeats
public:
Problem29();
virtual void solve();
virtual std::string getString() const;
unsigned int getBottomA() const;
unsigned int getTopA() const;
unsigned int getBottomB() const;
unsigned int getTopB() const;
std::vector<mpz_class> getUnique() const;
};
/* Results:
The number of unique values generated by a^b for 2 <= a <= 100 and 2 <= b <= 100 is 9183
It took 1.464 seconds to solve this problem.
*/
#endif //PROBLEM29_HPP

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//ProjectEuler/C++/Headers/Problem3.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//The largest prime factor of 600851475143
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM3_HPP
#define PROBLEM3_HPP
#include <vector>
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem3 : public Problem{
private:
static uint64_t GOAL_NUMBER; //The number you are trying to find the factors of
std::vector<uint64_t> factors; //Holds the factors of goalNumber
public:
Problem3();
virtual void solve();
virtual std::string getString() const;
//Returns the list of factors of the number
std::vector<uint64_t> getFactors() const;
//Returns the largest factor of the number
uint64_t getLargestFactor() const;
//Returns the number
uint64_t getGoalNumber() const;
};
/* Results:
The largest factor of the number 600851475143 is 6857
It took 46.738 milliseconds to solve this problem.
*/
#endif //PROBLEM3_HPP

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//ProjectEuler/C++/Headers/Problem30.hpp
//Matthew Ellison
// Created: 10-27-19
//Modified: 10-27-19
//Find the sum of all the numbers that can be written as the sum of the fifth powers of their digits.
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM30_HPP
#define PROBLEM30_HPP
#include <string>
#include <cinttypes>
#include <vector>
#include "Problem.hpp"
class Problem30 : public Problem{
private:
static const uint64_t TOP_NUM = 1000000; //This is the largest number that will be checked
static const uint64_t BOTTOM_NUM = 2; //Start with 2 because 0 and 1 don't count
static const uint64_t POWER_RAISED = 5; //This is the power that the digits are raised to
std::vector<uint64_t> sumOfFifthNumbers; //This is a vector of the numbers that are the sum of the fifth power of their digits
std::vector<uint64_t> getDigits(uint64_t num); //Returns a vector with the indivitual digits of the number passed into it
public:
Problem30();
virtual void solve();
virtual std::string getString() const;
uint64_t getTopNum() const; //This returns the top number to be checked
std::vector<uint64_t> getListOfSumOfFifths() const; //This returns a copy of the vector holding all the numbers that are the sum of the fifth power of their digits
uint64_t getSumOfList() const; //This returns the sum of all entries in sumOfFifthNumbers
};
/* Results:
The sum of all the numbers that can be written as the sum of the fifth powers of their digits is 443839
It took 280.300 milliseconds to solve this problem.
*/
#endif //PROBLEM30_HPP

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//ProjectEuler/C++/Headers/Problem4.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//Find the largest palindrome made from the product of two 3-digit numbers
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM4_HPP
#define PROBLEM4_HPP
#include <vector>
#include <string>
#include "Problem.hpp"
class Problem4 : public Problem{
private:
static int START_NUM;
static int END_NUM;
std::vector<uint64_t> palindromes; //Holds all numbers that turn out to be palindromes
public:
Problem4();
virtual void solve();
virtual std::string getString() const;
//Returns the list of all palindromes
std::vector<uint64_t> getPalindromes() const;
//Returns the largest palindrome
uint64_t getLargestPalindrome() const;
};
/* Results:
The largest palindrome is 906609
It took 31.904 milliseconds to solve this problem.
*/
#endif //PROBLEM4_HPP

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//ProjectEuler/C++/Headers/Problem5.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM5_HPP
#define PROBLEM5_HPP
#include <vector>
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem5 : public Problem{
private:
int smallestNum;
public:
Problem5();
virtual void solve();
virtual std::string getString() const;
//Returns the requested number
int getNumber() const;
};
/* Results:
The smallest positive number evenly divisible by all numbers 1-20 is 232792560
It took 748.245 milliseconds to run this algorithm
*/
#endif //PROBLEM5_HPP

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//ProjectEuler/C++/Headers/Problem6.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum.
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM6_HPP
#define PROBLEM6_HPP
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem6 : public Problem{
private:
static int START_NUM;
static int END_NUM;
uint64_t sumOfSquares; //Holds the sum of the squares of all the numbers
uint64_t squareOfSum; //Holds the square of the sum of all the numbers
public:
Problem6();
virtual void solve();
virtual std::string getString() const;
//Returns the sum of all the squares
uint64_t getSumOfSquares() const;
//Returns the square of all of the sums
uint64_t getSquareOfSum() const;
//Returns the requested difference
uint64_t getDifference() const;
};
/* Result
The difference between the sum of the squares and the square of the sum of all numbers from 1-100 is 25164150
It took 1.000 microseconds to solve this problem.
*/
#endif //PROBLEM6_HPP

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//ProjectEuler/C++/Headers/Problem67.hpp
//Matthew Ellison
// Created: 11-02-18
//Modified: 07-14-19
//The way to do this is using a breadth first search
/*
Find the maximum total from top to bottom
59
73 41
52 40 09
26 53 06 34
10 51 87 86 81
61 95 66 57 25 68
90 81 80 38 92 67 73
30 28 51 76 81 18 75 44
84 14 95 87 62 81 17 78 58
21 46 71 58 02 79 62 39 31 09
56 34 35 53 78 31 81 18 90 93 15
78 53 04 21 84 93 32 13 97 11 37 51
45 03 81 79 05 18 78 86 13 30 63 99 95
39 87 96 28 03 38 42 17 82 87 58 07 22 57
06 17 51 17 07 93 09 07 75 97 95 78 87 08 53
67 66 59 60 88 99 94 65 55 77 55 34 27 53 78 28
76 40 41 04 87 16 09 42 75 69 23 97 30 60 10 79 87
12 10 44 26 21 36 32 84 98 60 13 12 36 16 63 31 91 35
70 39 06 05 55 27 38 48 28 22 34 35 62 62 15 14 94 89 86
66 56 68 84 96 21 34 34 34 81 62 40 65 54 62 05 98 03 02 60
38 89 46 37 99 54 34 53 36 14 70 26 02 90 45 13 31 61 83 73 47
36 10 63 96 60 49 41 05 37 42 14 58 84 93 96 17 09 43 05 43 06 59
66 57 87 57 61 28 37 51 84 73 79 15 39 95 88 87 43 39 11 86 77 74 18
54 42 05 79 30 49 99 73 46 37 50 02 45 09 54 52 27 95 27 65 19 45 26 45
71 39 17 78 76 29 52 90 18 99 78 19 35 62 71 19 23 65 93 85 49 33 75 09 02
33 24 47 61 60 55 32 88 57 55 91 54 46 57 07 77 98 52 80 99 24 25 46 78 79 05
92 09 13 55 10 67 26 78 76 82 63 49 51 31 24 68 05 57 07 54 69 21 67 43 17 63 12
24 59 06 08 98 74 66 26 61 60 13 03 09 09 24 30 71 08 88 70 72 70 29 90 11 82 41 34
66 82 67 04 36 60 92 77 91 85 62 49 59 61 30 90 29 94 26 41 89 04 53 22 83 41 09 74 90
48 28 26 37 28 52 77 26 51 32 18 98 79 36 62 13 17 08 19 54 89 29 73 68 42 14 08 16 70 37
37 60 69 70 72 71 09 59 13 60 38 13 57 36 09 30 43 89 30 39 15 02 44 73 05 73 26 63 56 86 12
55 55 85 50 62 99 84 77 28 85 03 21 27 22 19 26 82 69 54 04 13 07 85 14 01 15 70 59 89 95 10 19
04 09 31 92 91 38 92 86 98 75 21 05 64 42 62 84 36 20 73 42 21 23 22 51 51 79 25 45 85 53 03 43 22
75 63 02 49 14 12 89 14 60 78 92 16 44 82 38 30 72 11 46 52 90 27 08 65 78 03 85 41 57 79 39 52 33 48
78 27 56 56 39 13 19 43 86 72 58 95 39 07 04 34 21 98 39 15 39 84 89 69 84 46 37 57 59 35 59 50 26 15 93
42 89 36 27 78 91 24 11 17 41 05 94 07 69 51 96 03 96 47 90 90 45 91 20 50 56 10 32 36 49 04 53 85 92 25 65
52 09 61 30 61 97 66 21 96 92 98 90 06 34 96 60 32 69 68 33 75 84 18 31 71 50 84 63 03 03 19 11 28 42 75 45 45
61 31 61 68 96 34 49 39 05 71 76 59 62 67 06 47 96 99 34 21 32 47 52 07 71 60 42 72 94 56 82 83 84 40 94 87 82 46
01 20 60 14 17 38 26 78 66 81 45 95 18 51 98 81 48 16 53 88 37 52 69 95 72 93 22 34 98 20 54 27 73 61 56 63 60 34 63
93 42 94 83 47 61 27 51 79 79 45 01 44 73 31 70 83 42 88 25 53 51 30 15 65 94 80 44 61 84 12 77 02 62 02 65 94 42 14 94
32 73 09 67 68 29 74 98 10 19 85 48 38 31 85 67 53 93 93 77 47 67 39 72 94 53 18 43 77 40 78 32 29 59 24 06 02 83 50 60 66
32 01 44 30 16 51 15 81 98 15 10 62 86 79 50 62 45 60 70 38 31 85 65 61 64 06 69 84 14 22 56 43 09 48 66 69 83 91 60 40 36 61
92 48 22 99 15 95 64 43 01 16 94 02 99 19 17 69 11 58 97 56 89 31 77 45 67 96 12 73 08 20 36 47 81 44 50 64 68 85 40 81 85 52 09
91 35 92 45 32 84 62 15 19 64 21 66 06 01 52 80 62 59 12 25 88 28 91 50 40 16 22 99 92 79 87 51 21 77 74 77 07 42 38 42 74 83 02 05
46 19 77 66 24 18 05 32 02 84 31 99 92 58 96 72 91 36 62 99 55 29 53 42 12 37 26 58 89 50 66 19 82 75 12 48 24 87 91 85 02 07 03 76 86
99 98 84 93 07 17 33 61 92 20 66 60 24 66 40 30 67 05 37 29 24 96 03 27 70 62 13 04 45 47 59 88 43 20 66 15 46 92 30 04 71 66 78 70 53 99
67 60 38 06 88 04 17 72 10 99 71 07 42 25 54 05 26 64 91 50 45 71 06 30 67 48 69 82 08 56 80 67 18 46 66 63 01 20 08 80 47 07 91 16 03 79 87
18 54 78 49 80 48 77 40 68 23 60 88 58 80 33 57 11 69 55 53 64 02 94 49 60 92 16 35 81 21 82 96 25 24 96 18 02 05 49 03 50 77 06 32 84 27 18 38
68 01 50 04 03 21 42 94 53 24 89 05 92 26 52 36 68 11 85 01 04 42 02 45 15 06 50 04 53 73 25 74 81 88 98 21 67 84 79 97 99 20 95 04 40 46 02 58 87
94 10 02 78 88 52 21 03 88 60 06 53 49 71 20 91 12 65 07 49 21 22 11 41 58 99 36 16 09 48 17 24 52 36 23 15 72 16 84 56 02 99 43 76 81 71 29 39 49 17
64 39 59 84 86 16 17 66 03 09 43 06 64 18 63 29 68 06 23 07 87 14 26 35 17 12 98 41 53 64 78 18 98 27 28 84 80 67 75 62 10 11 76 90 54 10 05 54 41 39 66
43 83 18 37 32 31 52 29 95 47 08 76 35 11 04 53 35 43 34 10 52 57 12 36 20 39 40 55 78 44 07 31 38 26 08 15 56 88 86 01 52 62 10 24 32 05 60 65 53 28 57 99
03 50 03 52 07 73 49 92 66 80 01 46 08 67 25 36 73 93 07 42 25 53 13 96 76 83 87 90 54 89 78 22 78 91 73 51 69 09 79 94 83 53 09 40 69 62 10 79 49 47 03 81 30
71 54 73 33 51 76 59 54 79 37 56 45 84 17 62 21 98 69 41 95 65 24 39 37 62 03 24 48 54 64 46 82 71 78 33 67 09 16 96 68 52 74 79 68 32 21 13 78 96 60 09 69 20 36
73 26 21 44 46 38 17 83 65 98 07 23 52 46 61 97 33 13 60 31 70 15 36 77 31 58 56 93 75 68 21 36 69 53 90 75 25 82 39 50 65 94 29 30 11 33 11 13 96 02 56 47 07 49 02
76 46 73 30 10 20 60 70 14 56 34 26 37 39 48 24 55 76 84 91 39 86 95 61 50 14 53 93 64 67 37 31 10 84 42 70 48 20 10 72 60 61 84 79 69 65 99 73 89 25 85 48 92 56 97 16
03 14 80 27 22 30 44 27 67 75 79 32 51 54 81 29 65 14 19 04 13 82 04 91 43 40 12 52 29 99 07 76 60 25 01 07 61 71 37 92 40 47 99 66 57 01 43 44 22 40 53 53 09 69 26 81 07
49 80 56 90 93 87 47 13 75 28 87 23 72 79 32 18 27 20 28 10 37 59 21 18 70 04 79 96 03 31 45 71 81 06 14 18 17 05 31 50 92 79 23 47 09 39 47 91 43 54 69 47 42 95 62 46 32 85
37 18 62 85 87 28 64 05 77 51 47 26 30 65 05 70 65 75 59 80 42 52 25 20 44 10 92 17 71 95 52 14 77 13 24 55 11 65 26 91 01 30 63 15 49 48 41 17 67 47 03 68 20 90 98 32 04 40 68
90 51 58 60 06 55 23 68 05 19 76 94 82 36 96 43 38 90 87 28 33 83 05 17 70 83 96 93 06 04 78 47 80 06 23 84 75 23 87 72 99 14 50 98 92 38 90 64 61 58 76 94 36 66 87 80 51 35 61 38
57 95 64 06 53 36 82 51 40 33 47 14 07 98 78 65 39 58 53 06 50 53 04 69 40 68 36 69 75 78 75 60 03 32 39 24 74 47 26 90 13 40 44 71 90 76 51 24 36 50 25 45 70 80 61 80 61 43 90 64 11
18 29 86 56 68 42 79 10 42 44 30 12 96 18 23 18 52 59 02 99 67 46 60 86 43 38 55 17 44 93 42 21 55 14 47 34 55 16 49 24 23 29 96 51 55 10 46 53 27 92 27 46 63 57 30 65 43 27 21 20 24 83
81 72 93 19 69 52 48 01 13 83 92 69 20 48 69 59 20 62 05 42 28 89 90 99 32 72 84 17 08 87 36 03 60 31 36 36 81 26 97 36 48 54 56 56 27 16 91 08 23 11 87 99 33 47 02 14 44 73 70 99 43 35 33
90 56 61 86 56 12 70 59 63 32 01 15 81 47 71 76 95 32 65 80 54 70 34 51 40 45 33 04 64 55 78 68 88 47 31 47 68 87 03 84 23 44 89 72 35 08 31 76 63 26 90 85 96 67 65 91 19 14 17 86 04 71 32 95
37 13 04 22 64 37 37 28 56 62 86 33 07 37 10 44 52 82 52 06 19 52 57 75 90 26 91 24 06 21 14 67 76 30 46 14 35 89 89 41 03 64 56 97 87 63 22 34 03 79 17 45 11 53 25 56 96 61 23 18 63 31 37 37 47
77 23 26 70 72 76 77 04 28 64 71 69 14 85 96 54 95 48 06 62 99 83 86 77 97 75 71 66 30 19 57 90 33 01 60 61 14 12 90 99 32 77 56 41 18 14 87 49 10 14 90 64 18 50 21 74 14 16 88 05 45 73 82 47 74 44
22 97 41 13 34 31 54 61 56 94 03 24 59 27 98 77 04 09 37 40 12 26 87 09 71 70 07 18 64 57 80 21 12 71 83 94 60 39 73 79 73 19 97 32 64 29 41 07 48 84 85 67 12 74 95 20 24 52 41 67 56 61 29 93 35 72 69
72 23 63 66 01 11 07 30 52 56 95 16 65 26 83 90 50 74 60 18 16 48 43 77 37 11 99 98 30 94 91 26 62 73 45 12 87 73 47 27 01 88 66 99 21 41 95 80 02 53 23 32 61 48 32 43 43 83 14 66 95 91 19 81 80 67 25 88
08 62 32 18 92 14 83 71 37 96 11 83 39 99 05 16 23 27 10 67 02 25 44 11 55 31 46 64 41 56 44 74 26 81 51 31 45 85 87 09 81 95 22 28 76 69 46 48 64 87 67 76 27 89 31 11 74 16 62 03 60 94 42 47 09 34 94 93 72
56 18 90 18 42 17 42 32 14 86 06 53 33 95 99 35 29 15 44 20 49 59 25 54 34 59 84 21 23 54 35 90 78 16 93 13 37 88 54 19 86 67 68 55 66 84 65 42 98 37 87 56 33 28 58 38 28 38 66 27 52 21 81 15 08 22 97 32 85 27
91 53 40 28 13 34 91 25 01 63 50 37 22 49 71 58 32 28 30 18 68 94 23 83 63 62 94 76 80 41 90 22 82 52 29 12 18 56 10 08 35 14 37 57 23 65 67 40 72 39 93 39 70 89 40 34 07 46 94 22 20 05 53 64 56 30 05 56 61 88 27
23 95 11 12 37 69 68 24 66 10 87 70 43 50 75 07 62 41 83 58 95 93 89 79 45 39 02 22 05 22 95 43 62 11 68 29 17 40 26 44 25 71 87 16 70 85 19 25 59 94 90 41 41 80 61 70 55 60 84 33 95 76 42 63 15 09 03 40 38 12 03 32
09 84 56 80 61 55 85 97 16 94 82 94 98 57 84 30 84 48 93 90 71 05 95 90 73 17 30 98 40 64 65 89 07 79 09 19 56 36 42 30 23 69 73 72 07 05 27 61 24 31 43 48 71 84 21 28 26 65 65 59 65 74 77 20 10 81 61 84 95 08 52 23 70
47 81 28 09 98 51 67 64 35 51 59 36 92 82 77 65 80 24 72 53 22 07 27 10 21 28 30 22 48 82 80 48 56 20 14 43 18 25 50 95 90 31 77 08 09 48 44 80 90 22 93 45 82 17 13 96 25 26 08 73 34 99 06 49 24 06 83 51 40 14 15 10 25 01
54 25 10 81 30 64 24 74 75 80 36 75 82 60 22 69 72 91 45 67 03 62 79 54 89 74 44 83 64 96 66 73 44 30 74 50 37 05 09 97 70 01 60 46 37 91 39 75 75 18 58 52 72 78 51 81 86 52 08 97 01 46 43 66 98 62 81 18 70 93 73 08 32 46 34
96 80 82 07 59 71 92 53 19 20 88 66 03 26 26 10 24 27 50 82 94 73 63 08 51 33 22 45 19 13 58 33 90 15 22 50 36 13 55 06 35 47 82 52 33 61 36 27 28 46 98 14 73 20 73 32 16 26 80 53 47 66 76 38 94 45 02 01 22 52 47 96 64 58 52 39
88 46 23 39 74 63 81 64 20 90 33 33 76 55 58 26 10 46 42 26 74 74 12 83 32 43 09 02 73 55 86 54 85 34 28 23 29 79 91 62 47 41 82 87 99 22 48 90 20 05 96 75 95 04 43 28 81 39 81 01 28 42 78 25 39 77 90 57 58 98 17 36 73 22 63 74 51
29 39 74 94 95 78 64 24 38 86 63 87 93 06 70 92 22 16 80 64 29 52 20 27 23 50 14 13 87 15 72 96 81 22 08 49 72 30 70 24 79 31 16 64 59 21 89 34 96 91 48 76 43 53 88 01 57 80 23 81 90 79 58 01 80 87 17 99 86 90 72 63 32 69 14 28 88 69
37 17 71 95 56 93 71 35 43 45 04 98 92 94 84 96 11 30 31 27 31 60 92 03 48 05 98 91 86 94 35 90 90 08 48 19 33 28 68 37 59 26 65 96 50 68 22 07 09 49 34 31 77 49 43 06 75 17 81 87 61 79 52 26 27 72 29 50 07 98 86 01 17 10 46 64 24 18 56
51 30 25 94 88 85 79 91 40 33 63 84 49 67 98 92 15 26 75 19 82 05 18 78 65 93 61 48 91 43 59 41 70 51 22 15 92 81 67 91 46 98 11 11 65 31 66 10 98 65 83 21 05 56 05 98 73 67 46 74 69 34 08 30 05 52 07 98 32 95 30 94 65 50 24 63 28 81 99 57
19 23 61 36 09 89 71 98 65 17 30 29 89 26 79 74 94 11 44 48 97 54 81 55 39 66 69 45 28 47 13 86 15 76 74 70 84 32 36 33 79 20 78 14 41 47 89 28 81 05 99 66 81 86 38 26 06 25 13 60 54 55 23 53 27 05 89 25 23 11 13 54 59 54 56 34 16 24 53 44 06
13 40 57 72 21 15 60 08 04 19 11 98 34 45 09 97 86 71 03 15 56 19 15 44 97 31 90 04 87 87 76 08 12 30 24 62 84 28 12 85 82 53 99 52 13 94 06 65 97 86 09 50 94 68 69 74 30 67 87 94 63 07 78 27 80 36 69 41 06 92 32 78 37 82 30 05 18 87 99 72 19 99
44 20 55 77 69 91 27 31 28 81 80 27 02 07 97 23 95 98 12 25 75 29 47 71 07 47 78 39 41 59 27 76 13 15 66 61 68 35 69 86 16 53 67 63 99 85 41 56 08 28 33 40 94 76 90 85 31 70 24 65 84 65 99 82 19 25 54 37 21 46 33 02 52 99 51 33 26 04 87 02 08 18 96
54 42 61 45 91 06 64 79 80 82 32 16 83 63 42 49 19 78 65 97 40 42 14 61 49 34 04 18 25 98 59 30 82 72 26 88 54 36 21 75 03 88 99 53 46 51 55 78 22 94 34 40 68 87 84 25 30 76 25 08 92 84 42 61 40 38 09 99 40 23 29 39 46 55 10 90 35 84 56 70 63 23 91 39
52 92 03 71 89 07 09 37 68 66 58 20 44 92 51 56 13 71 79 99 26 37 02 06 16 67 36 52 58 16 79 73 56 60 59 27 44 77 94 82 20 50 98 33 09 87 94 37 40 83 64 83 58 85 17 76 53 02 83 52 22 27 39 20 48 92 45 21 09 42 24 23 12 37 52 28 50 78 79 20 86 62 73 20 59
54 96 80 15 91 90 99 70 10 09 58 90 93 50 81 99 54 38 36 10 30 11 35 84 16 45 82 18 11 97 36 43 96 79 97 65 40 48 23 19 17 31 64 52 65 65 37 32 65 76 99 79 34 65 79 27 55 33 03 01 33 27 61 28 66 08 04 70 49 46 48 83 01 45 19 96 13 81 14 21 31 79 93 85 50 05
92 92 48 84 59 98 31 53 23 27 15 22 79 95 24 76 05 79 16 93 97 89 38 89 42 83 02 88 94 95 82 21 01 97 48 39 31 78 09 65 50 56 97 61 01 07 65 27 21 23 14 15 80 97 44 78 49 35 33 45 81 74 34 05 31 57 09 38 94 07 69 54 69 32 65 68 46 68 78 90 24 28 49 51 45 86 35
41 63 89 76 87 31 86 09 46 14 87 82 22 29 47 16 13 10 70 72 82 95 48 64 58 43 13 75 42 69 21 12 67 13 64 85 58 23 98 09 37 76 05 22 31 12 66 50 29 99 86 72 45 25 10 28 19 06 90 43 29 31 67 79 46 25 74 14 97 35 76 37 65 46 23 82 06 22 30 76 93 66 94 17 96 13 20 72
63 40 78 08 52 09 90 41 70 28 36 14 46 44 85 96 24 52 58 15 87 37 05 98 99 39 13 61 76 38 44 99 83 74 90 22 53 80 56 98 30 51 63 39 44 30 91 91 04 22 27 73 17 35 53 18 35 45 54 56 27 78 48 13 69 36 44 38 71 25 30 56 15 22 73 43 32 69 59 25 93 83 45 11 34 94 44 39 92
12 36 56 88 13 96 16 12 55 54 11 47 19 78 17 17 68 81 77 51 42 55 99 85 66 27 81 79 93 42 65 61 69 74 14 01 18 56 12 01 58 37 91 22 42 66 83 25 19 04 96 41 25 45 18 69 96 88 36 93 10 12 98 32 44 83 83 04 72 91 04 27 73 07 34 37 71 60 59 31 01 54 54 44 96 93 83 36 04 45
30 18 22 20 42 96 65 79 17 41 55 69 94 81 29 80 91 31 85 25 47 26 43 49 02 99 34 67 99 76 16 14 15 93 08 32 99 44 61 77 67 50 43 55 87 55 53 72 17 46 62 25 50 99 73 05 93 48 17 31 70 80 59 09 44 59 45 13 74 66 58 94 87 73 16 14 85 38 74 99 64 23 79 28 71 42 20 37 82 31 23
51 96 39 65 46 71 56 13 29 68 53 86 45 33 51 49 12 91 21 21 76 85 02 17 98 15 46 12 60 21 88 30 92 83 44 59 42 50 27 88 46 86 94 73 45 54 23 24 14 10 94 21 20 34 23 51 04 83 99 75 90 63 60 16 22 33 83 70 11 32 10 50 29 30 83 46 11 05 31 17 86 42 49 01 44 63 28 60 07 78 95 40
44 61 89 59 04 49 51 27 69 71 46 76 44 04 09 34 56 39 15 06 94 91 75 90 65 27 56 23 74 06 23 33 36 69 14 39 05 34 35 57 33 22 76 46 56 10 61 65 98 09 16 69 04 62 65 18 99 76 49 18 72 66 73 83 82 40 76 31 89 91 27 88 17 35 41 35 32 51 32 67 52 68 74 85 80 57 07 11 62 66 47 22 67
65 37 19 97 26 17 16 24 24 17 50 37 64 82 24 36 32 11 68 34 69 31 32 89 79 93 96 68 49 90 14 23 04 04 67 99 81 74 70 74 36 96 68 09 64 39 88 35 54 89 96 58 66 27 88 97 32 14 06 35 78 20 71 06 85 66 57 02 58 91 72 05 29 56 73 48 86 52 09 93 22 57 79 42 12 01 31 68 17 59 63 76 07 77
73 81 14 13 17 20 11 09 01 83 08 85 91 70 84 63 62 77 37 07 47 01 59 95 39 69 39 21 99 09 87 02 97 16 92 36 74 71 90 66 33 73 73 75 52 91 11 12 26 53 05 26 26 48 61 50 90 65 01 87 42 47 74 35 22 73 24 26 56 70 52 05 48 41 31 18 83 27 21 39 80 85 26 08 44 02 71 07 63 22 05 52 19 08 20
17 25 21 11 72 93 33 49 64 23 53 82 03 13 91 65 85 02 40 05 42 31 77 42 05 36 06 54 04 58 07 76 87 83 25 57 66 12 74 33 85 37 74 32 20 69 03 97 91 68 82 44 19 14 89 28 85 85 80 53 34 87 58 98 88 78 48 65 98 40 11 57 10 67 70 81 60 79 74 72 97 59 79 47 30 20 54 80 89 91 14 05 33 36 79 39
60 85 59 39 60 07 57 76 77 92 06 35 15 72 23 41 45 52 95 18 64 79 86 53 56 31 69 11 91 31 84 50 44 82 22 81 41 40 30 42 30 91 48 94 74 76 64 58 74 25 96 57 14 19 03 99 28 83 15 75 99 01 89 85 79 50 03 95 32 67 44 08 07 41 62 64 29 20 14 76 26 55 48 71 69 66 19 72 44 25 14 01 48 74 12 98 07
64 66 84 24 18 16 27 48 20 14 47 69 30 86 48 40 23 16 61 21 51 50 26 47 35 33 91 28 78 64 43 68 04 79 51 08 19 60 52 95 06 68 46 86 35 97 27 58 04 65 30 58 99 12 12 75 91 39 50 31 42 64 70 04 46 07 98 73 98 93 37 89 77 91 64 71 64 65 66 21 78 62 81 74 42 20 83 70 73 95 78 45 92 27 34 53 71 15
30 11 85 31 34 71 13 48 05 14 44 03 19 67 23 73 19 57 06 90 94 72 57 69 81 62 59 68 88 57 55 69 49 13 07 87 97 80 89 05 71 05 05 26 38 40 16 62 45 99 18 38 98 24 21 26 62 74 69 04 85 57 77 35 58 67 91 79 79 57 86 28 66 34 72 51 76 78 36 95 63 90 08 78 47 63 45 31 22 70 52 48 79 94 15 77 61 67 68
23 33 44 81 80 92 93 75 94 88 23 61 39 76 22 03 28 94 32 06 49 65 41 34 18 23 08 47 62 60 03 63 33 13 80 52 31 54 73 43 70 26 16 69 57 87 83 31 03 93 70 81 47 95 77 44 29 68 39 51 56 59 63 07 25 70 07 77 43 53 64 03 94 42 95 39 18 01 66 21 16 97 20 50 90 16 70 10 95 69 29 06 25 61 41 26 15 59 63 35
*/
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM67_HPP
#define PROBLEM67_HPP
#include <vector>
#include <list>
#include <string>
#include "Problem.hpp"
class Problem67 : public Problem{
private:
struct location{
int xLocation;
int yLocation;
int total;
bool fromRight;
location(int x, int y, int t, bool r) : xLocation(x), yLocation(y), total(t), fromRight(r){ }
};
//This function takes every number in the vector and changes it to 100 - the number
void invert();
static const int NUM_ROWS = 100; //The number of rows in the list of numbers
std::list<location> foundPoints; //For the points that I have already found the shortest distance to
std::list<location> possiblePoints; //For the locations you are checking this round
int actualTotal; //The true total of the path from the top to the bottom
//This is the list you are trying to find a path through
static std::vector<int> list[NUM_ROWS];
public:
Problem67();
virtual void solve();
virtual std::string getString() const;
std::string getPyramid() const; //Returns the pyramid that was traversed as a string
std::string getTrail(); //Returns the trail the algorithm took as a string
int getTotal() const; //Returns the total that was asked for
};
/* Results:
The value of the longest path is 7273
It took 208.728 milliseconds to solve this problem.
*/
#endif //PROBLEM67_HPP

51
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//ProjectEuler/C++/Headers/Problem7.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//What is the 10001th prime number?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM7_HPP
#define PROBLEM7_HPP
#include <vector>
#include <cinttypes>
#include <string>
#include "Problem.hpp"
class Problem7: public Problem{
private:
static uint64_t NUMBER_OF_PRIMES;
std::vector<uint64_t> primes; //Holds the prime numbers
public:
Problem7();
virtual void solve();
virtual std::string getString() const;
//Returns the requested prime number
uint64_t getPrime() const;
};
/* Results
The 10001th prime number is 104743
It took 3.551 milliseconds to solve this problem.
*/
#endif //PROBLEM7_HPP

78
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//ProjectEuler/C++/Headers/Problem8.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//Find the thirteen adjacent digits in the 1000-digit number that have the greatest product. What is the value of this product?
/*
73167176531330624919225119674426574742355349194934
96983520312774506326239578318016984801869478851843
85861560789112949495459501737958331952853208805511
12540698747158523863050715693290963295227443043557
66896648950445244523161731856403098711121722383113
62229893423380308135336276614282806444486645238749
30358907296290491560440772390713810515859307960866
70172427121883998797908792274921901699720888093776
65727333001053367881220235421809751254540594752243
52584907711670556013604839586446706324415722155397
53697817977846174064955149290862569321978468622482
83972241375657056057490261407972968652414535100474
82166370484403199890008895243450658541227588666881
16427171479924442928230863465674813919123162824586
17866458359124566529476545682848912883142607690042
24219022671055626321111109370544217506941658960408
07198403850962455444362981230987879927244284909188
84580156166097919133875499200524063689912560717606
05886116467109405077541002256983155200055935729725
71636269561882670428252483600823257530420752963450
*/
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM8_HPP
#define PROBLEM8_HPP
#include <cinttypes>
#include <string>
#include <vector>
#include "Problem.hpp"
class Problem8 : public Problem{
private:
static std::string number;
std::string maxNums; //Holds the string of the largest product
uint64_t maxProduct; //Holds the largest product of 13 numbers
public:
Problem8();
virtual void solve();
virtual std::string getString() const;
//Returns the string of numbers that produces the largest product
std::string getLargestNums() const;
//Returns the requested product
uint64_t getLargestProduct() const;
};
/* Results
The greatest product is 23514624000
The numbers are 5576689664895
It took 124.900 microseconds to solve this problem.
*/
#endif //PROBLEM8_HPP

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//ProjectEuler/C++/Headers/Problem9.hpp
//Matthew Ellison
// Created: 09-28-18
//Modified: 07-14-19
//There exists exactly one Pythagorean triplet for which a + b + c = 1000. Find the product of abc.
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/myClasses
/*
Copyright (C) 2019 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PROBLEM9_HPP
#define PROBLEM9_HPP
#include <cmath>
#include <string>
#include "Problem.hpp"
class Problem9 : public Problem{
private:
int a; //Holds the position on the first side
int b; //Holds the position on the second side
double c; //Holds the hyp
bool found; //A flag to determine if we have found the solution yet
public:
Problem9();
virtual void solve();
virtual std::string getString() const;
//Returns the length of the first side
int getSideA() const;
//Returns the length of the second side
int getSideB() const;
//Returns the length of the hyp
int getSideC() const;
//Returns the product of the 3 sides
int getProduct() const;
};
/* Results:
The Pythagorean triplet is 200 375 425
The numbers' product is 31875000
It took 146.100 microseconds to solve this problem.
*/
#endif //PROBLEM9_HPP