func_code_string: #include <bits/stdc++.h>   using namespace std;   bool issub(string s, string t) {     int cur = 0;     for (char c : s) {       if (c == t[cur]) cur++;       if (cur == t.size()) return true;     }     return false;   }   int main() {     int q, i;     cin >> q;     while (q--) {       string s, t, p;       cin >> s >> t >> p;       int a[26], flag = 0;       memset(a, 0, sizeof(a));       for (char c : s) a[c -  a ]++;       for (char c : p) a[c -  a ]++;       for (char c : t) a[c -  a ]--;       for (i = 0; i < 26; i++) {         if (a[i] < 0) {           flag = 1;         }       }       if (flag == 0 && issub(t, s) == true) {         cout <<  YES  << endl;       } else {         cout <<  NO  << endl;       }     }   }   