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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int t,n;
  6. 	string a,b;
  7. 	int cn1[2],cn2[2];
  8. 	cin>>t;
  9. 	while(t--)
  10. 	{
  11. 		cn1[1]=0;cn1[0]=0;cn2[0]=0;cn2[1]=0;
  12. 		cin>>n;
  13. 		cin>>a>>b;
  14. 		while(n--)
  15. 		{
  16. 			if(a[n]=='1')
  17. 			{
  18. 				cn1[1]++;
  19. 			}
  20. 			else if(a[n]=='0')
  21. 			{
  22. 				cn1[0]++;
  23. 			}
  24. 			if(b[n]=='1')
  25. 			{
  26. 				cn2[1]++;
  27. 			}
  28. 			else if(b[n]=='0')
  29. 			{
  30. 				cn2[0]++;
  31. 			}
  32. 		}
  33. 		if(cn1[1]==cn2[1] && cn1[0]==cn2[0])
  34. 		{
  35. 			cout<<"YES"<<endl;
  36.  
  37. 		}
  38. 		else
  39. 		{
  40. 			cout<<"NO"<<endl;
  41. 		}
  42. 	}
  43. 	return 0;
  44. }
Success #stdin #stdout 0s 4360KB
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1
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stdout
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YES
https://ideone.com/dUKTah
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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