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  1. /*
  2. 	Code by: e16cn-ptit
  3. 	Please: take full credit.
  4. */
  5. #include <iostream>
  6. #include <string>
  7. using namespace std;
  8.  
  9. int main ()
  10. {
  11. 	string xau;
  12. 	cin>>xau;
  13. 	int arr[100005];
  14. 	arr[0]=0;
  15. 	for (int i=0; i<xau.size()-1; i++)
  16. 	{
  17. 		if (xau[i]==xau[i+1])
  18. 			arr[i+1]=arr[i]+1;
  19. 		else
  20. 			arr[i+1]=arr[i];
  21. 	}
  22. 	int m;
  23. 	cin>>m;
  24. 	for (int i=1; i<=m; i++)
  25. 	{
  26. 		int l, r;
  27. 		cin>>l>>r;
  28. 		cout<<arr[r-1]-arr[l-1]<<endl;
  29. 	}
  30. 	return 0;
  31. }
Success #stdin #stdout 0s 15504KB
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https://ideone.com/oVuYor
v- P152SUMI - ROUND 2I - Ký tự giống nhau
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
secret

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