11223: 简单a-b问题
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:2
Solved:0
Description
求a-b的绝对值,a,b都为整数.
Input
输入a b(a<1000 b<1000)
Output
输出a-b的绝对值,每个结果占一行
Sample Input Copy
1 2
2 3
800 1
Sample Output Copy
1
1
799