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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int h, w, x, y;
  6. 	cin >> h >> w >> x >> y;
  7. 	char grid[h][w];
  8. 	for(int i=0; i<h; i++){
  9. 		for(int j=0; j<w; j++){
  10. 			cin >> grid[i][j];
  11. 		}
  12. 	}
  13.  
  14. 	int a=0;
  15. 	int m = x-1;
  16. 	int n = y-1;
  17.  
  18. 	if(grid[m][n] == '.'){
  19. 		a++;
  20. 		if(grid[m-1][n] == '.')
  21. 		a++;
  22. 		if(grid[m][n-1] == '.')
  23. 		a++;
  24. 		if(grid[m+1][n] == '.')
  25. 		a++;
  26. 		if(grid[m][n+1] == '.')
  27. 		a++;
  28. 	}
  29. 	cout << a;
  30.  
  31. 	return 0;
  32. }
Success #stdin #stdout 0.01s 5292KB
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3 5 1 4
#....
#####
....#
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3
https://ideone.com/jFl6j4
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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