func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     long long ts, tf, t;     cin >> ts >> tf >> t;     int n;     cin >> n;     map<long long, int> T;     for (int i = 0; i < n; ++i) {       long long t;       cin >> t;       ++T[t];     }     long long bt = 0, ans = ts + t;     for (const auto &s : T) {       if (ts + t > tf) break;       if (ts < s.first) {         bt = ts;         break;       }       if (s.first > 0) {         long long ta = s.first - 1;         if (ts + t - ta < ans) {           ans = ts + t - ta;           bt = ta;         }       }       ts += t * s.second;     }     if (ts + t <= tf) bt = ts;     cout << bt <<   n ;     return 0;   }   