func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long int mod = 1e9 + 7;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     long long int T = clock();     long long int a, ta, b, tb;     cin >> a >> ta >> b >> tb;     string s;     cin >> s;     long long int i = 5 * 60, lim = 23 * 60 + 59;     long long int st = stoi(s.substr(0, 2)) * 60 + stoi(s.substr(3));     long long int ed = st + ta;     long long int ans = 0;     while (i < ed && i <= lim) {       if (i + tb > st) ans++;       i += b;     }     cout << ans;     cerr <<   n nTIME:   << (long double)(clock() - T) / CLOCKS_PER_SEC          <<   sec n ;     T = clock();     return 0;   }   