毕竟没有大佬会在这里,我偷偷地在初学者面前装个B~~~~~
我的做法可能比较简单~~~~~~~
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#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main() {
int a,b,c,d;
int sum1,sum2;
cin>>a>>b>>c>>d;
sum1=a*60+b;
sum2=c*60+d;
int tmp=sum2-sum1;
cout<<tmp/60<<" "<<tmp%60;
return 0;
}