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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int t,c=0;
  6. 	cin >> t;
  7. 	int b = t;
  8. 	vector<int> v;
  9. 	while(t--)
  10. 	{
  11. 		int n;
  12. 		cin >> n;
  13. 		v.push_back(n);
  14. 	}
  15. 	for(int i=0;i<b-1;i++)
  16. 	{
  17. 		if(v[i]==v[i+1])
  18. 		{
  19. 			c++;
  20. 		}
  21. 	}
  22.  
  23. 	if(c == b-1)
  24. 	{
  25. 		cout << "YES" << endl;
  26. 	}
  27. 	else
  28. 	{
  29. 		cout << "NO" << endl;
  30. 	}
  31. 	return 0;
  32. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin 
4
3 3 3 3
stdout 
YES
https://ideone.com/YMDK3i
language:
C++ (gcc 8.3)
created:
7 days ago
visibility:
public

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