fork(1) download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define long long int
  4.  
  5. int main() {
  6. 	int t;
  7. 	cin>>t;
  8. 	while(t--){
  9. 		int n;
  10. 		cin>>n;
  11. 		int a[n],sum=0;
  12. 		for(int i=0;i<n;i++){
  13. 		  cin>>a[i];	
  14. 		  sum=sum+a[i];
  15. 		}
  16. 		int k=sqrt(sum);
  17. 		if(k*k==sum) 
  18. 		cout<<"YES"<<endl;
  19. 		else 
  20. 		cout<<"NO"<<endl;
  21. 	}
  22. 	return 0;
  23. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
copy 
5
1
9
2
14 2
7
1 2 3 4 5 6 7
6
1 3 5 7 9 11
4
2 2 2 2
stdout
copy 
YES
YES
NO
YES
NO
https://ideone.com/AZHZTH
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!