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42 lines (35 loc) · 1.23 KB
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package com.hillel.java;
import java.util.Scanner;
/**
* Created by Eugene Karpenko on 15.04.2015.
*/
public class AI {
private static final double EPSILON = 0.0001;
public static void main(String[] args) {
System.out.println("Загадай число. \n Сколько разрядов в твоём числе?");
Scanner scanner = new Scanner(System.in);
int digits = scanner.nextInt();
double minNumber = 0;
double maxNumber = Math.pow(10, digits);
double middle;
int attempts = 1;
String answer;
while (true)
{
middle = Math.floor((maxNumber + minNumber) / 2);
System.out.println("Твоё число больше " + middle + "? (y/n)");
answer = scanner.next();
if (answer.equals("y")) {
minNumber = middle + 1;
}
else if (answer.equals("n")) {
maxNumber = middle;
}
if (maxNumber - minNumber < EPSILON) {
System.out.println("Твоё число " + minNumber + " :) \n Я угадал за " + attempts + " попыток");
return;
}
attempts++;
}
}
}