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90 lines
3.2 KiB
TypeScript
90 lines
3.2 KiB
TypeScript
//ProjectEulerTS/ProblemSelection.ts
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//Matthew Ellison
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// Created: 10-18-20
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//Modified: 10-18-20
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//This class holds all of the functions needed to handle a problem
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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) 2020 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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const readlineSync = require("readline-sync");
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import { Problem } from "./Problems/Problem";
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import { Problem1 } from "./Problems/Problem1";
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import { Problem2 } from "./Problems/Problem2";
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import { Problem3 } from "./Problems/Problem3";
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export class ProblemSelection{
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//Holds the valid problem numbers
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public static PROBLEM_NUMBERS: number[] = [1, 2, 3];
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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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let problem: Problem = null;
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switch(problemNumber){
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case 1 : problem = new Problem1(); break;
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case 2 : problem = new Problem2(); break;
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case 3 : problem = new Problem3(); break;
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}
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return problem;
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}
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//Print the description of a problem
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public static printDescription(problemNumber: number): void{
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//Get the problem
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let problem: Problem = ProblemSelection.getProblem(problemNumber);
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//Print the problem's description
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console.log(problem.getDescription() + "\n\n");
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}
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//Solve a problem
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public static solveProblem(problemNumber: number): void{
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//Get the problem
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let problem: Problem = ProblemSelection.getProblem(problemNumber);
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//Print the problem description
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console.log("\n\n" + problem.getDescription());
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//Solve the problem
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problem.solve();
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//Print the results
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console.log(problem.getResult() + "\nIt took " + problem.getTime() + " to solve this problem.\n\n");
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}
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//Get a valid problem number from a user
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public static getProblemNumber(): number{
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let problemNumber: number = 0;
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let prob = readlineSync.question("Enter a problem number: ");
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try{
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problemNumber = parseInt(prob);
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}
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catch(error){
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problemNumber = -1;
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}
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while(!ProblemSelection.PROBLEM_NUMBERS.includes(problemNumber)){
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console.log("That is an invalid problem number!");
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problemNumber = ProblemSelection.getProblemNumber();
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}
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problemNumber = parseInt(prob);
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return problemNumber;
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}
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//List all valid problem numbers
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public static listProblems(): void{
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console.log(ProblemSelection.PROBLEM_NUMBERS[1]);
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for(let problemNumber: number = 2;problemNumber < ProblemSelection.PROBLEM_NUMBERS.length;++problemNumber){
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console.log(", " + ProblemSelection.PROBLEM_NUMBERS[problemNumber]);
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}
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console.log();
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}
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}
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