func_code_string: #include <bits/stdc++.h>   using namespace std;   const double EPS = 1e-9;   const double PI = acos(-1.0);   const int MOD = 1000 * 1000 * 1000 + 7;   const int INF = 2000 * 1000 * 1000;   template <typename T>   inline T sqr(T n) {     return n * n;   }   int C, Hr, Hb, Wr, Wb;   long long ans;   int main() {     scanf( %d%d%d%d%d , &C, &Hr, &Hb, &Wr, &Wb);     for (int x = 0; x < 10000000 && 1ll * x * Wr <= C; x++) {       int y = (C - x * Wr) / Wb;       ans = max(ans, 1ll * Hr * x + 1ll * Hb * y);     }     for (int y = 0; y < 10000000 && 1ll * y * Wb <= C; y++) {       int x = (C - y * Wb) / Wr;       ans = max(ans, 1ll * Hr * x + 1ll * Hb * y);     }     printf( %I64d n , ans);     return 0;   }   