Added solution to problem 3

This commit is contained in:
2020-10-19 18:13:46 -04:00
parent eeb927d1e5
commit 180946eff3
4 changed files with 106 additions and 2 deletions

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@@ -31,7 +31,7 @@ enum BenchmarkOptions{runSpecific = 1, runAllShort, runAll, exit, size};
export class Benchmark{
private static tooLong = [];
private static tooLong: number[] = [];
//The driver function for the benchmark selection
public static benchmarkMenu(): void{
let selection: BenchmarkOptions = BenchmarkOptions.size;

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@@ -26,11 +26,12 @@ const readlineSync = require("readline-sync");
import { Problem } from "./Problems/Problem";
import { Problem1 } from "./Problems/Problem1";
import { Problem2 } from "./Problems/Problem2";
import { Problem3 } from "./Problems/Problem3";
export class ProblemSelection{
//Holds the valid problem numbers
public static PROBLEM_NUMBERS: number[] = [1, 2];
public static PROBLEM_NUMBERS: number[] = [1, 2, 3];
//Returns the problem corresponding to the given problem number
public static getProblem(problemNumber: number): Problem{
@@ -38,6 +39,7 @@ export class ProblemSelection{
switch(problemNumber){
case 1 : problem = new Problem1(); break;
case 2 : problem = new Problem2(); break;
case 3 : problem = new Problem3(); break;
}
return problem;
}

99
Problems/Problem3.ts Normal file
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@@ -0,0 +1,99 @@
//ProjectEulerTS/Problems/Problem3.ts
//Matthew Ellison
// Created: 10-19-20
//Modified: 10-19-20
//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/typescriptClasses
/*
Copyright (C) 2020 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 { getFactors } from "../../../Typescript/typescriptClasses/Algorithms";
import { Unsolved } from "../Unsolved";
export class Problem3 extends Problem{
//Variables
//Static variables
private static GOAL_NUMBER: number = 600851475143; //The number that needs factored
//Instance variables
private factors: number[]; //Holds the factors of goalNumber
//Functions
//Constructor
public constructor(){
super(`What is the largest prime factor of ${Problem3.GOAL_NUMBER}`);
this.factors = [];
}
//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();
//Get all the factors of the number
this.factors = getFactors(Problem3.GOAL_NUMBER);
//The last element should be the largest factor
//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.factors = [];
}
//Gets
//Returns the result of solving the problem
public getResult(): string{
if(!this.solved){
throw new Unsolved();
}
return `The largest factor of the number ${Problem3.GOAL_NUMBER} is ${this.factors[this.factors.length - 1]}`;
}
//Returns the list of factors of the number
public getFactors(): number[]{
if(!this.solved){
throw new Unsolved();
}
return this.factors;
}
//Returns the largest factor of the number
public getLargestFactor(): number{
if(!this.solved){
throw new Unsolved();
}
return this.factors[this.factors.length];
}
//Returns the number for which we are getting the factor
public getGoalNumber(): number{
return Problem3.GOAL_NUMBER;
}
}
/* Results:
*/

View File

@@ -28,6 +28,9 @@ export class Unsolved{
if(message){
this.message = message;
}
else{
this.message = "";
}
}
public getMessage(){
return this.message;