@[LIUSASA](/user/993368) 康康我代码：
```cpp
#include <iostream>
using namespace std;
int main(){
long long a, b, c, d, e, f, g;
char m;
cin >> a >> m >> b >> m >> c >> d >> m >> e >> m >> f >> g;
cout << ((d*3600+e*60+f)-(a*3600+b*60+c))*g;
return 0;
}
```
This is easier :)
by shb20111113 @ 2023-09-26 21:20:23
@[shb20111113](/user/1003721)
我又看了看我的，不禁思考了起来
by LIUSASA @ 2023-09-26 21:23:45
@[LIUSASA](/user/993368)
开 long long 就好啦
by Michael_Liu @ 2023-09-26 21:24:23
@[LIUSASA](https://www.luogu.com.cn/user/993368)康康我代码：
```cpp
#include<bits/stdc++.h>
using namespace std;
int main(){
int a,b,c,d,e,f,n;
scanf("%d:%d:%d\n%d:%d:%d\n%d",&a,&b,&c,&d,&e,&f,&n);
printf("%lld",(((long long)d-a)*3600+(e-b)*60+(f-c))*n);
return 0;}
```
by b2314huangruizhong @ 2023-09-26 21:24:48
开long long就行了
by dengjianxi @ 2023-09-26 21:55:32
@[b2314huangruizhong](/user/775383)
超easy！
by Andy404 @ 2024-02-19 20:09:52