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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main(){
  5.     long long int d,t,a;
  6. 	cin>>t;
  7. 	while(t--){
  8. 		long long int count=0;
  9. 		cin>>d;
  10. 		while(d--){
  11. 			cin>>a;
  12. 			if(a!=0&&a!=1)
  13. 				count++;
  14. 		}
  15.  
  16. 		if(count>1)
  17. 		   cout<<"no" << endl;
  18. 		else
  19. 		   cout<<"yes" << endl;
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 3464KB
comments (?)
stdin
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3
2
0 1
2
1 2
2
5 6
stdout
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yes
yes
no
https://ideone.com/9aS2rn
language:
C++ 4.3.2 (gcc-4.3.2)
created:
7 years ago
visibility:
public

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