资源限制

内存限制：256.0MB   C/C++时间限制：1.0s   Java时间限制：3.0s   Python时间限制：5.0s

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#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N = 1e5+10;
int n,m,t,d;
int a[2][N],b[N];
//string s; 
signed main(){cin>>n;m = 365*24*60*60*1000;int h,m,s;h = n/(60*60*1000)%24;if(h<10)cout<<"0"<<h<<":";else cout<<h<<":";n=n%(60*60*1000);m = n/(60*1000);if(m<10)cout<<"0"<<m<<":";else cout<<m<<":";n=n%(60*1000);s = n/(1000);if(s<10)cout<<"0"<<s<<endl;else cout<<s<<endl;return 0;
}