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  1. /* package whatever; // don't place package name! */
  2.  
  3. #include <iostream>
  4. #include <cstring>
  5. using namespace std;
  6.  
  7.  
  8.  
  9. int main(void){
  10. 	const int ROWS = 5;
  11. 	const int COLS = 4;
  12.  
  13. 	int mat[ROWS][COLS] = {
  14. 		{ 1, 1, 0, 4 },
  15. 		{ 2, 0, 3, 4 },
  16. 		{ 3, 3, 3, 4 },
  17. 		{ 4, 4, 3, 4 },
  18. 		{ 5, 5, 3, 0 }
  19. 	};
  20.  
  21. 	int i, j;
  22. 	int rows = ROWS;
  23. 	int cols = COLS;
  24.  
  25. 	//вывод исходной матрицы
  26. 	for(i = 0; i < rows; ++i){
  27. 		for(j = 0; j < cols; ++j)
  28. 			cout << mat[i][j] << ' ';
  29. 		cout.put('\n');
  30. 	}
  31. 	cout.put('\n');
  32.  
  33.  
  34. 	//удаление
  35. 	for(i = 0; i < rows; ++i){
  36. 		for(j = 0; j < cols; ++j){
  37. 			if(mat[i][j] != 0)
  38. 				continue;
  39.  
  40. 			for(int r = 0; r < rows; ++r)
  41. 				memcpy(&mat[r][j], &mat[r][j + 1],(cols-(j+1))*sizeof(int));
  42.  
  43. 			//смещение строк
  44. 			for(int c = 0; c < cols; ++c){
  45. 				for(int r = i; r < (rows - 1); ++r)
  46. 					mat[r][c] = mat[r + 1][c];
  47. 			}
  48. 			--cols;
  49. 			--rows;
  50. 			--i;
  51. 			j = 0;
  52. 		}
  53. 	}
  54.  
  55. 	//вывод обработаной матрицы
  56. 	for(i = 0; i < rows; ++i){
  57. 		for(j = 0; j < cols; ++j)
  58. 			cout << mat[i][j] << ' ';
  59. 		cout.put('\n');
  60. 	}
  61. 	return 0;
  62. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin
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Standard input is empty
stdout
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1 1 0 4 
2 0 3 4 
3 3 3 4 
4 4 3 4 
5 5 3 0 

3 
4
https://ideone.com/fdYtY1
language:
C++14 (clang 8.0)
created:
9 years ago
visibility:
public

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