func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s, e;     cin >> s >> e;     int h1, m1, h2, m2;     h1 = (s[0] -  0 ) * 10 + (s[1] -  0 );     h2 = (e[0] -  0 ) * 10 + (e[1] -  0 );     m1 = (s[3] -  0 ) * 10 + (s[4] -  0 );     m2 = (e[3] -  0 ) * 10 + (e[4] -  0 );     long long int total1 = h1 * 60 + m1;     long long int total2 = h2 * 60 + m2;     long long int dif = (total2 - total1) / 2;     int ansh = dif / 60;     int ansm = dif % 60;     int fh = h1 + ansh;     int fm = m1 + ansm;     if (fm >= 60) {       fh += 1;       fm %= 60;     }     if (fh > 9) {       cout << fh <<  : ;     } else {       cout <<  0  << fh <<  : ;     }     if (fm > 9) {       cout << fm << endl;     } else {       cout <<  0  << fm << endl;     }   }   