## z:\Chao\src\2717_duijue\test\in.txt 
2020/05/03 周日 19:33:37.73 
4 1
5 2
1
-----------------------------------------------
Process exited after 180 ms with return value 0

## z:\Chao\src\2717_duijue\test\in2.txt 
2020/05/03 周日 19:33:37.73 

-----------------------------------------------
Process exited after 70 ms with return value -1073741819

## z:\Chao\src\2717_duijue\test\in3.txt 
2020/05/03 周日 19:33:37.73 

-----------------------------------------------
Process exited after 70 ms with return value -1073741819