- 题解
MYX
- @ 2023-8-9 10:38:54
#include<bits/stdc++.h>
using namespace std;
int main(){
char a1;
long long int s1,f1,m1;
cin>>s1>>a1>>f1>>a1>>m1;
char a2;
long long int s2,f2,m2;
cin>>s2>>a2>>f2>>a2>>m2;
long long int t,m3=s1*60*60+f1*60+m1,m4=s2*60*60+f2*60+m2;
long long int n;
cin>>n;
cout<<(m4-m3)*n<<endl;
return 0;
}
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