单点时限: 2.0 sec
内存限制: 256 MB
Give two positive integer A and B,calucate A-B.
Notice that A,B is no more than 500 digits.
The test case contain several lines.Each line contains two positive integer A and B.
For each input line,output a line contain A-B
3 2 100 1 100000000000000001 100000000000000000
1 99 1
| 题目 | 计分 | 
|---|---|
| A | 100 | 
| B | 100 | 
| C | 100 | 
| D | 100 | 
| E | 100 | 
| F | 100 |