Codeforce A. Middle of the Contest

1. #include< bits/stdc++.h >
2. using namespace std;
3. int main(){
4. int h1, m1, h2, m2, ans = 0, resH = 0, resM = 0, rM;
5. scanf("%d:%d", &h1, &m1);
6. scanf("%d:%d", &h2, &m2);
7. if(m1 > m2) ans = (60 - m1) + m2;
8. else ans = (h2 - h1)*60 + (m2-m1);
9. ans /= 2;
10. resH = h1 + ans/60;
11. rM = m1 + ans%60;
12. if( rM / 60 > 0) resH += rM / 60;
13. resM = rM%60;
14. if(resH < 10) cout <<0;
15. cout << resH << ":";
16. if(resM < 10) cout << 0;
17. cout << resM << endl;
18. return 0;
19. }