func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int i, n, fl = 0;       cin >> n;       int *a = new int[n];       for (i = 0; i < n; ++i) {         cin >> a[i];       }       sort(a, a + n);       for (i = 1; i < n; ++i) {         if (a[i] == a[i - 1]) {           fl = 1;           break;         }       }       if (fl == 1) {         cout <<  YES n ;       } else {         cout <<  NO n ;       }     }   }   