func_code_string: #include <bits/stdc++.h>   using namespace std;   int cont[1003], sum[1003];   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     int ans = 0;     string s1, s2;     cin >> s1 >> s2;     int n = s1.size();     int m = s2.size();     for (int i = 0; i < n; i++) cont[s1[i] -  a ]++;     for (int i = 0; i < m; i++) sum[s2[i] -  a ]++;     for (int i = 0; i < 26; i++) {       if (sum[i] > 0 && cont[i] == 0) {         cout << -1 <<   n ;         return 0;       }       if (sum[i] > cont[i])         ans += cont[i];       else         ans += sum[i];     }     cout << ans <<   n ;     return 0;   }   