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  1. #include <stdio.h>
  2. #include <malloc.h>
  3.  
  4. int** setMatrix(int graph_size) {
  5. 	char ch;
  6.     /*Выделение памяти под матрицу смежности*/
  7.     int** matrix = (int**)malloc(graph_size * sizeof(int*));
  8.     for (int i = 0; i < graph_size; i++) {
  9.         matrix[i] = (int*)malloc(sizeof(int*) * graph_size);
  10.     }
  11.     /* Ввод матрицы смежности */
  12. enterAgain:
  13.     printf("\nEnter matrix\n");
  14.         for (int i = 0; i < graph_size; i++) {
  15.             for (int j = 0; j < graph_size; j++) {
  16.                 int temp;
  17.                 //int rc = scanf("%d", &temp);
  18.                 if (!scanf("%d", &temp)) {
  19.                     fflush(stdin);
  20.                     do {
  21.             			ch = getchar();
  22.         			} while ((ch != EOF) && (ch != '\n'));
  23.                     goto enterAgain;
  24.                 }
  25.                 else
  26.                 {
  27.                     matrix[i][j] = temp;
  28.                 }
  29.             }
  30.         }
  31.     return matrix;
  32. }
  33.  
  34. int main(void) {
  35. 	// your code goes here
  36. 	int ** M = setMatrix(2);
  37.  
  38. 	printf("\nOutput:\n");
  39. 	for (int i = 0; i < 2; i++)
  40. 	{
  41. 		for (int j = 0; j < 2; j++)
  42. 		{
  43. 			printf("%d\t", M[i][j]);	
  44. 		}
  45. 		printf("\n");
  46. 	}
  47. 	return 0;
  48. }
  49.  
Success #stdin #stdout 0s 5544KB
comments (?)
stdin
copy 
a1b23c
11
12
21
22
stdout
copy 
Enter matrix

Enter matrix

Output:
11	12	
21	22
https://ideone.com/PFLuIE
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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