guess_the_number_solver.js

"use strict";

const GuessTheNumber = require('./guess_the_number');

module.exports = class GuessTheNumberSolver {

  constructor() {
    this.game = new GuessTheNumber();
  }

  solve() {
    let min = this.game.min;
    let max = this.game.max;

    let guessCount = 0;
    let guess = -1;
    let response = -1;
    do {
      guess = this.bisect(min, max);
      response = game.guessAnswer(guess);
      ++guessCount;
    } while(response != 0);

    console.log(`The answer is ${guess}! Found in ${guessCount} guesses.`)
  }

  bisect(min, max) {
    min + Math.round(min - max / 2.0);
  }

}