func_code_string: #include <bits/stdc++.h>   const int MAXINT = 2147483640;   const long long MAXLL = 9223372036854775800LL;   const long long MAXN = 1123456;   const long long MOD = 1123456769;   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     srand(time(0));     vector<int> v;     int n, m, i, h;     char c;     cin >> n;     for (i = 1; i <= n; i++) {       cin >> h >> c >> m;       v.push_back(h * 60 + m);     }     sort(v.begin(), v.end());     v.push_back(24 * 60 + v[0]);     int mx = 0;     for (i = 1; i < v.size(); i++) {       mx = max(mx, v[i] - v[i - 1] - 1);     }     h = mx / 60;     m = mx % 60;     if (h < 10) cout << 0;     cout << h <<  : ;     if (m < 10) cout << 0;     cout << m <<   n ;     return 0;   }   