func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, m, a[111169], sum = 0;   int main() {     int x, y;     cin >> n >> m;     for (int i = (0); i < n; i += 1) cin >> a[i];     for (int i = (0); i < m; i += 1) {       cin >> x >> y;       sum += min(a[x - 1], a[y - 1]);     }     cout << sum;     return 0;   }   