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  1. #define _CRT_SECURE_NO_WARNINGS
  2. #include <stdio.h>
  3. #include <string.h>
  4. #include <stdlib.h>
  5. #include <malloc.h>
  6. void BuildMatrix(int*** matrix, int row, int column);
  7. void ExitAndFree(int*** matrix, int row);
  8. int main() {
  9. 	int row = 2, column = 2;
  10. 	int **matrix, i, j;
  11. 	BuildMatrix(&matrix, row, column);
  12.  
  13. 	printf("Your matrix:\n");
  14. 	for (i = 0; i < row; i++) { //just to check that it inserts all the values OK
  15. 		for (j = 0; j < column; j++) {
  16. 			printf("\n%d \n", matrix[i][j]);
  17. 		}
  18. 	}
  19. 	ExitAndFree(&matrix, row);
  20. 	return 0;
  21. }
  22. void BuildMatrix(int*** matrix, int row, int column) {
  23. 	int i, j;
  24. 	*matrix = (int**)malloc(row * sizeof(int *));
  25. 	for (i = 0; i < row; i++)
  26. 		(*matrix)[i] = (int*)malloc(column * sizeof(int));
  27. 	printf("\nPlease enter values to the matrix\n");
  28. 	for (i = 0; i < row; i++) {
  29. 		for (j = 0; j < column; j++) {
  30. 			scanf("%d", &((*matrix)[i][j])); 
  31. 		}
  32. 	}
  33. }
  34. void ExitAndFree(int*** matrix, int row) {
  35. 	int i;
  36. 	for (i = 0; i < row; i++) {
  37. 		free((*matrix)[i]);
  38. 		(*matrix)[i] = NULL;
  39. 	}
  40. 	free(*matrix);
  41. 	matrix = NULL;
  42. }
Success #stdin #stdout 0s 2304KB
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stdin
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1 2 3 4
stdout
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Please enter values to the matrix
Your matrix:

1 

2 

3 

4
https://ideone.com/jP2zBY
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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