func_code_string: #include <bits/stdc++.h>   using namespace std;   unsigned N, M;   vector<unsigned> V;   double dens(const unsigned idxV1, const unsigned idxV2, const unsigned eW) {     if (eW == 0) {       return 0;     }     return (double)(V[idxV1] + V[idxV2]) / (double)eW;   }   int main() {     unsigned v1, v2, w, n, m;     double densidad;     double max = 0;     cout << setprecision(20);     cin >> N;     cin >> M;     V = vector<unsigned>(N);     for (n = 0; n < N; n++) {       cin >> w;       V[n] = w;     }     for (m = 0; m < M; m++) {       cin >> v1;       cin >> v2;       cin >> w;       v1--;       v2--;       densidad = dens(v1, v2, w);       if (densidad > max) {         max = densidad;       }     }     cout << max << endl;     return 0;   }   