## z:\Chao\src\1669_nweishu\test\in.txt 
2020/04/30 周四 18:38:22.64 
464
-----------------------------------------------
Process exited after 150 ms with return value 0

## z:\Chao\src\1669_nweishu\test\in2.txt 
2020/04/30 周四 18:38:22.64 
2871
-----------------------------------------------
Process exited after 140 ms with return value 0

## z:\Chao\src\1669_nweishu\test\in3.txt 
2020/04/30 周四 18:38:22.64 
4
-----------------------------------------------
Process exited after 100 ms with return value 0