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題目概要：
計算出Hashmat的士兵跟敵對士兵的數量差。
解題方向：
把輸入的2個數字相減即可。因為最大值是2^32，所以需要用long來做存放。
程式碼：
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| //Java | |
| import java.util.Scanner; | |
| class uva10055{ | |
| public static void main(String args[]){ | |
| Scanner sc=new Scanner(System.in); | |
| while(sc.hasNextLong()){ | |
| long a=sc.nextLong(),b=sc.nextLong(); //讀入2個數字。 | |
| //Output | |
| System.out.println(Math.abs(a-b)); | |
| } | |
| } | |
| } |
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