```cpp
#include<iostream>
using namespace std;
int main()
{
int a , b ,c,d,e,f,g;
cin >> a >> b >> c >> d;
g = (c * 60 + d )- (a * 60 + b);
e = g / 60;
f = g - e * 60;
cout << e<<" "<<f<< endl;//这里多了个“ ”
return 0;
}
```
by char32_t @ 2017-11-08 14:10:25