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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, k;
  6. 	string S;
  7. 	cin >> n >> k >> S;
  8.  
  9. 	int os = 0;
  10. 	for(char c: S) os += c == 'o';
  11.  
  12.  
  13. 	for(int i = 0; i < n && os < k; i++){
  14. 		if (S[i] != '?') continue;
  15. 		if ((i - 1 >= 0 && S[i - 1] == 'o') || (i + 1 < n && S[i + 1] == 'o')) continue;
  16. 		os++;
  17. 		S[i] = 'o';
  18. 	}
  19.  
  20. 	cout << S << "\n";
  21.  
  22. 	return 0;
  23. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin 
4 2
o???
stdout 
o?o?
https://ideone.com/VkG0If
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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