10055 - Hashmat the Brave Warrior

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# 題目連結

• 題目連結
• Online Judge
• uDebug

# 題目說明

Time limit: 3.000 seconds

# 題目

Hashmat is a brave warrior who with his group of young soldiers moves from one place to another to fight against his opponents. Before Fighting he just calculates one thing, the difference between his soldier number and the opponent’s soldier number. From this difference he decides whether to fight or not. Hashmat’s soldier number is never greater than his opponent.

# Input

The input contains two numbers in every line. These two numbers in each line denotes the number soldiers in Hashmat’s army and his opponent’s army or vice versa. The input numbers are not greater than 232. Input is terminated by ‘End of File’.

# Output

For each line of input, print the difference of number of soldiers between Hashmat’s army and his opponent’s army. Each output should be in seperate line.

# Sample Input

10 12
10 14
100 200

# Sample Output

2
4
100

# 解題技巧

# Solution

import java.util.*;

public class Main{

    public static void main(String[] args){

        Scanner sc = new Scanner(System.in);

        while (sc.hasNextLong()) {

            long a = sc.nextLong();

            long b = sc.nextLong();

            System.out.println(Math.abs(b - a));

        }

    }

}