func_code_string: #include <bits/stdc++.h>   using namespace std;   int main(int argc, char* argv[]) {     char dt[1002];     memset(dt, 0, sizeof(dt));     char gr[1002];     memset(gr, 0, sizeof(gr));     cin >> dt >> gr;     int n = strlen(dt);     int m = strlen(gr);     map<char, int> dtc;     map<char, int> gtc;     for (int i = 0; i < n; ++i) {       dtc[dt[i]]++;     }     for (int i = 0; i < m; ++i) {       gtc[gr[i]]++;     }     int res = 0;     map<char, int>::iterator it;     for (it = gtc.begin(); it != gtc.end(); ++it) {       char val = it->first;       if (dtc[val] == 0) {         cout << -1;         return 0;       }       if (dtc[val] >= gtc[val])         res += gtc[val];       else         res += dtc[val];     }     cout << res << endl;     return 0;   }   