Added solution to problem 7

This commit is contained in:
2021-03-10 12:30:04 -05:00
parent 0161203fc9
commit 9cfd907b76
2 changed files with 91 additions and 1 deletions

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@@ -30,11 +30,12 @@ import { Problem3 } from "./Problems/Problem3";
import { Problem4 } from "./Problems/Problem4";
import { Problem5 } from "./Problems/Problem5";
import { Problem6 } from "./Problems/Problem6";
import { Problem7 } from "./Problems/Problem7";
export class ProblemSelection{
//Holds the valid problem numbers
public static PROBLEM_NUMBERS: number[] = [1, 2, 3, 4, 5, 6];
public static PROBLEM_NUMBERS: number[] = [1, 2, 3, 4, 5, 6, 7];
//Returns the problem corresponding to the given problem number
public static getProblem(problemNumber: number): Problem{
@@ -46,6 +47,7 @@ export class ProblemSelection{
case 4 : problem = new Problem4(); break;
case 5 : problem = new Problem5(); break;
case 6 : problem = new Problem6(); break;
case 7 : problem = new Problem7(); break;
}
return problem;
}

88
Problems/Problem7.ts Normal file
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@@ -0,0 +1,88 @@
//ProjectEulerTS/Problems/Problem7.ts
//Matthew Ellison
// Created: 03-10-21
//Modified: 03-10-21
//What is the 10001th prime number?
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/typescriptClasses
/*
Copyright (C) 2021 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/>.
*/
import { Problem } from "./Problem";
import { Unsolved } from "../Unsolved";
import { getNumPrimes } from "../../../Typescript/typescriptClasses/Algorithms";
export class Problem7 extends Problem{
//Variables
//Static variables
private static NUMBER_OF_PRIMES: number = 10001; //The number of primes we are trying to get
//Instance variables
private primes: number[];
//Functions
//Constructor
public constructor(){
super(`What is the ${Problem7.NUMBER_OF_PRIMES}th prime number?`);
}
//OPerational functions
//Solve the problem
public solve(): void{
//If the problem has already been solved do nothing and end the function
if(this.solved){
return;
}
//Start the timer
this.timer.start();
//Setup the variables
this.primes = getNumPrimes(Problem7.NUMBER_OF_PRIMES); //Holds the prime numbers
//Stop the timer
this.timer.stop();
//Throw a flag to show the problem is solved
this.solved = true;
}
//Reset the problem so it can be run again
public reset(): void{
super.reset();
this.primes = [];
}
//Gets
//Returns the result of solving the problem
public getResult(): string{
if(!this.solved){
throw new Unsolved();
}
return `The ${Problem7.NUMBER_OF_PRIMES}th prime number is ${this.getPrime()}`;
}
//Returns the requested prime number
public getPrime(): number{
//If the problem hasn't been solved throw an exception
if(!this.solved){
throw new Unsolved();
}
return this.primes[this.primes.length - 1];
}
}
/* Results:
The 10001th prime number is 104743
It took an average of 3.534 milliseconds to run this problem through 100 iterations
*/