func_code_string: #include <bits/stdc++.h>   using namespace std;   int a[200000];   int main() {     int t;     cin >> t;     while (t--) {       int n;       cin >> n;       int odd = 0, even = 0;       for (int i = 0; i < n; i++) {         cin >> a[i];         if (a[i] & 1)           odd++;         else           even++;       }       if (odd == 0 or (even == 0 and n % 2 == 0)) {         cout <<  NO  << endl;       } else {         cout <<  YES  << endl;       }     }     return 0;   }   