func_code_string: #include <bits/stdc++.h>   using namespace std;   string s, t, temp;   bool check(int mid, vector<int>& v) {     temp = s;     for (int i = 0; i < mid; i++) {       temp[v[i]] =  # ;     }     int x = 0;     for (int i = 0; i < temp.size(); i++) {       if (t[x] == temp[i]) {         x++;       }       if (x == t.size()) return true;     }     return false;   }   int main() {     cin >> s >> t;     vector<int> v;     for (int i = 0; i < s.size(); i++) {       int a;       cin >> a;       v.push_back(a - 1);     }     int low = 0, high = s.size();     while (high - low > 1) {       int mid = low + (high - low) / 2;       if (check(mid, v))         low = mid;       else         high = mid;     }     cout << low << endl;     return 0;   }   