表示你会不会算数、、、
by _不赦_ @ 2017-11-06 21:56:48
现场给段：
```cpp
if(d<b)
{
e=c-a-1;
f=d+60-b;
}
else
{
e=c-a;
f=d-b;
}
```
by _不赦_ @ 2017-11-06 21:59:13