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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, a[n], count=1;
  6. 	cin>>n;
  7. 	for (int i=0; i<n; i++)
  8. 		cin>>a[i];
  9. 	for(int i=0; i<n; i++)
  10. 		if (a[i]==a[i+1])
  11. 			count++;
  12. 	if (count>=4)
  13. 		cout<<"YES";
  14. 	else
  15. 		cout<<"NO";
  16. 	return 0;
  17. }
Success #stdin #stdout 0.01s 5320KB
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stdin
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4
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stdout
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YES
https://ideone.com/pv1uOi
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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