func_code_string: #include <bits/stdc++.h>   using namespace std;   int value[100005];   int main() {     int n, k, m;     while (cin >> n >> k >> m) {       map<string, int> mymap;       for (int i = 1; i <= n; i++) {         string s;         cin >> s;         mymap[s] = i;       }       for (int i = 1; i <= n; i++) scanf( %d , &value[i]);       for (int i = 1; i <= k; i++) {         int cnt, minv = 1000000000;         int t[100005];         scanf( %d , &cnt);         for (int j = 0; j < cnt; j++) {           scanf( %d , &t[j]);           minv = min(minv, value[t[j]]);         }         for (int j = 0; j < cnt; j++) value[t[j]] = minv;       }       long long ans = 0;       for (int i = 0; i < m; i++) {         string s;         cin >> s;         ans += value[mymap[s]];       }       cout << ans << endl;     }   }   