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  1. #include <iostream>
  2. #include <cstdio>
  3. #include <algorithm>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	int n, t;
  8. 	char s[55];
  9. 	scanf("%d%d", &n, &t);
  10. 	scanf("%s", s);
  11. 	for(int i=0; i<t; i++) for(int j=1; j<n; j++) if(s[j-1]=='B' && s[j]=='G') swap(s[j-1], s[j]), j++;
  12. 	printf("%s", s);
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 3344KB
comments ()
stdin 
4 1
GGGB
stdout 
GGGB
https://ideone.com/RWTq1a
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
secret

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