func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve(int cases) {     int n;     cin >> n;     int a[n];     for (int i = 0; i < n; i++) cin >> a[i];     int su = 0;     for (int i = 0; i < n; i++) su += a[i];     sort(a, a + n);     if (su == 0) {       cout <<  NO n ;       return;     }     cout <<  YES n ;     if (su > 0) {       for (int i = 0; i < n; i++) cout << a[n - 1 - i] <<    ;       cout <<   n ;       return;     }     for (int i = 0; i < n; i++) cout << a[i] <<    ;     cout <<   n ;   }   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     int cases = 1;     int t = 1;     cin >> t;     while (t--) {       solve(cases++);     }   }   