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  1. #include <iostream>
  2. #include <cstdio>
  3. #include <vector>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	int n, m;
  8. 	char s[105][105];
  9. 	vector <string> v;
  10. 	scanf("%d%d", &n, &m);
  11. 	for(int i=0; i<n; i++) scanf("%s", s[i]);
  12. 	for(int i=0; i<n; i++) {
  13. 		string d="";
  14. 		for(int j=0; j<m; j++) {
  15. 			if(s[i][j]=='.' && j%2==0 && i%2==0) d+='B';
  16. 			else if(s[i][j]=='.' && j%2==0 && i%2==1) d+='W';
  17. 			else if(s[i][j]=='.' && j%2==1 && i%2==0) d+='W';
  18. 			else if(s[i][j]=='.' && j%2==1 && i%2==1) d+='B';
  19. 			else d+='-';
  20. 		}
  21. 		v.push_back(d);
  22. 	}
  23. 	for(vector <string>::iterator i=v.begin(); i!=v.end(); i++) cout<<*i<<endl;
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 3480KB
comments ()
stdin 
3 3
.-.
---
--.
stdout 
B-B
---
--B
https://ideone.com/HiBH3H
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
secret

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