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Added solution to problem29
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@@ -52,12 +52,13 @@ import { Problem25 } from "./Problems/Problem25";
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import { Problem26 } from "./Problems/Problem26";
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import { Problem26 } from "./Problems/Problem26";
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import { Problem27 } from "./Problems/Problem27";
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import { Problem27 } from "./Problems/Problem27";
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import { Problem28 } from "./Problems/Problem28";
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import { Problem28 } from "./Problems/Problem28";
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import { Problem29 } from "./Problems/Problem29";
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export class ProblemSelection{
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export class ProblemSelection{
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//Holds the valid problem numbers
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//Holds the valid problem numbers
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public static PROBLEM_NUMBERS: number[] = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
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public static PROBLEM_NUMBERS: number[] = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
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21, 22, 23, 24, 25, 26, 27, 28];
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21, 22, 23, 24, 25, 26, 27, 28, 29];
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//Returns the problem corresponding to the given problem number
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//Returns the problem corresponding to the given problem number
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public static getProblem(problemNumber: number): Problem{
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public static getProblem(problemNumber: number): Problem{
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@@ -91,6 +92,7 @@ export class ProblemSelection{
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case 26: problem = new Problem26(); break;
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case 26: problem = new Problem26(); break;
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case 27: problem = new Problem27(); break;
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case 27: problem = new Problem27(); break;
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case 28: problem = new Problem28(); break;
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case 28: problem = new Problem28(); break;
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case 29: problem = new Problem29(); break;
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}
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}
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return problem;
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return problem;
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}
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}
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@@ -1,4 +1,4 @@
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//ProjectEulerTS/Problems/Problem27.ts
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//ProjectEulerTS/Problems/Problem28.ts
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//Matthew Ellison
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//Matthew Ellison
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// Created: 05-26-21
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// Created: 05-26-21
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//Modified: 05-26-21
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//Modified: 05-26-21
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117
Problems/Problem29.ts
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117
Problems/Problem29.ts
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@@ -0,0 +1,117 @@
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//ProjectEulerTS/Problems/Problem29.ts
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//Matthew Ellison
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// Created: 05-28-21
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//Modified: 05-28-21
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//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
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//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/typescriptClasses
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/*
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Copyright (C) 2021 Matthew Ellison
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { Unsolved } from "../Unsolved";
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import { Problem } from "./Problem";
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export class Problem29 extends Problem{
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//Variables
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//Static variables
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private static BOTTOM_A: number = 2; //The lowest possible value for a
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private static TOP_A: number = 100; //The hightest possible value for a
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private static BOTTOM_B: number = 2; //The lowest possible value for b
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private static TOP_B: number = 100; //The highest possible value for b
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//Instance variables
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private unique: bigint[]; //Holds all unique values generated
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//Functions
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//Constructor
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public constructor(){
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super(`How many distinct terms are in the sequence generated by a^b for ${Problem29.BOTTOM_A} <= a <= ${Problem29.TOP_A} and ${Problem29.BOTTOM_B} <= b <= ${Problem29.TOP_B}?`);
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this.unique = [];
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}
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//Operational functions
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//Solve the problem
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public solve(): void{
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//If the problem has already been solved do nothing and end the function
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if(this.solved){
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return;
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}
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//Start the timer
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this.timer.start();
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//Start witht he first A and move towards the top
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for(let currentA = Problem29.BOTTOM_A;currentA <= Problem29.TOP_A;++currentA){
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//Start with the first B and move towards the top
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for(let currentB = Problem29.BOTTOM_B;currentB <= Problem29.TOP_B;++currentB){
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//Get the new number
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let currentNum: bigint = BigInt(currentA) ** BigInt(currentB);
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//If the current number is not in the array add it
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if(!this.unique.includes(currentNum)){
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this.unique.push(currentNum);
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}
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}
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}
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//Stop the timer
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this.timer.stop();
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//THrow a flag to show the problem is solved
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this.solved = true;
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}
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//Reset the problem so it can be run again
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public reset(): void{
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super.reset();
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this.unique = [];
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}
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//Gets
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//Returns the result of solving the problem
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public getResult(): string{
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if(!this.solved){
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throw new Unsolved();
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}
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return `The number of unique values generated by a^b for ${Problem29.BOTTOM_A} <= a <= ${Problem29.TOP_A} and ${Problem29.BOTTOM_B} <= b <= ${Problem29.TOP_B} is ${this.unique.length}`;
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}
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//Returns the lowest possible value for a
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public static getBottomA(): number{
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return Problem29.BOTTOM_A;
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}
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//Returns the highest possible value for a
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public static getTopA(): number{
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return Problem29.TOP_A;
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}
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//Returns the lowest possible value for b
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public static getBottomB(): number{
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return Problem29.BOTTOM_B;
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}
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//Returns the highest possible value for b
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public static getTopB(): number{
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return Problem29.TOP_B;
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}
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//Returns a list of all the unique values for a^b
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public getUnique(): bigint[]{
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//If the problem hasn't been solved throw an exception
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if(!this.solved){
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throw new Unsolved();
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}
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return this.unique;
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}
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}
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/* Results:
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The number of unique values generated by a^b for 2 <= a <= 100 and 2 <= b <= 100 is 9183
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It took an average of 349.571 milliseconds to run this problem through 100 iterations
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*/
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