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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, m, x, y;
  6. 	cin >> n >> m >> x >> y;
  7. 	int arr[n][m];
  8. 	int num = 0;
  9. 	for(int i = 0; i < n; ++i) {
  10. 		int dir, j;
  11. 		if(i % 2 == 0){
  12. 			j = 0;
  13. 			dir = 1;
  14. 		}
  15. 		else {
  16. 			j = m-1;
  17. 			dir = -1;
  18. 		}
  19. 		for(; j < m&&j >= 0; j+= dir) {
  20. 			arr[i][j] = num;
  21. 			++num;
  22. 		}
  23. 	}
  24. 	cout << arr[x - 1][y - 1];
  25. 	return 0;
  26. }
Success #stdin #stdout 0s 4384KB
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stdin
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10 5 10 2
stdout
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48
https://ideone.com/Ghb4rG
змейка
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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