func_code_string: #include <bits/stdc++.h>   int MOD = 1000000007;   long long inf = 1e18;   using namespace std;   vector<int> A, B, C;   int as, bs, cs;   int a, b, c;   int k, n1, n2, n3, t1, t2, t3;   bool ok(int t) {     if (a == n1) return false;     int cntb = 0;     for (int i = bs; i < B.size(); i++) {       if (t + t1 < B[i] + t2) {         cntb++;       }     }     for (int i = as; i < A.size(); i++) {       if (t + t1 < A[i] + t1 + t2) {         cntb++;       }     }     if (cntb >= n2) return false;     int cntc = 0;     for (int i = cs; i < C.size(); i++) {       if (t + t1 + t2 < C[i] + t3) {         cntc++;       }     }     for (int i = bs; i < B.size(); i++) {       if (t + t1 + t2 < B[i] + t2 + t3) {         cntc++;       }     }     for (int i = as; i < A.size(); i++) {       if (t + t1 + t2 < A[i] + t1 + t2 + t3) {         cntc++;       }     }     if (cntc >= n3) return false;     return true;   }   int main() {     ios::sync_with_stdio(0);     cin >> k >> n1 >> n2 >> n3 >> t1 >> t2 >> t3;     int t, x;     bool cont;     for (t = 1; t <= 30000001; t++) {       if (k == 0 && c == 0 && b == 0 && a == 0) {         break;       }       cont = true;       while (c != 0 && cont) {         x = C[cs];         cont = false;         if (x + t3 == t) {           cs++;           c--;           cont = true;         }       }       cont = true;       while (b != 0 && cont) {         x = B[bs];         cont = false;         if (x + t2 == t) {           bs++;           b--;           cont = true;           C.push_back(t);           c++;         }       }       cont = true;       while (a != 0 && cont) {         x = A[as];         cont = false;         if (x + t1 == t) {           as++;           a--;           cont = true;           B.push_back(t);           b++;         }       }       cont = true;       while (k != 0 && cont) {         x = t;         cont = false;         if (ok(t)) {           A.push_back(x);           a++;           cont = true;           k--;         }       }     }     cout << t - 2;     return 0;   }   