func_code_string: #include <bits/stdc++.h>   using namespace std;   typedef long long ll;   typedef vector<int> vi;   typedef vector<int> vll;   typedef pair<int, int> pii;   #define F first   #define S second   #define PB push_back   #define MP make_pair   #define ALL(v) v.begin(), v.end()   #define rALL(v) v.rbegin(), v.rend()   #define INF 1000000007LL   #define MOD 998244353LL      const int LIM = 2e5 + 5;      void solve()   {       int n, x, f, res = 0;       cin >> n;       for(int i = 0; i < n; i++)       {           cin >> x;           f = 0;           for(int j = 1; j * j <= x; j++)               if(j * j == x)               {                   f = 1;                   break;               }           if(f == 0)               res = 1;       }          if(res)           cout <<  YES n ;       else           cout <<  NO n ;          }      int main()   {       ios_base::sync_with_stdio(false);       cin.tie(NULL);          int t = 1;       cin >> t;       while (t--)       {           solve();       }          return 0;   }   