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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4.  
  5. int main(){
  6.     int i,j,k;
  7.     int a,b;
  8.     int **mat;
  9.     scanf("%d %d",&a,&b);
  10.  
  11. 	mat = (int**)malloc(a * sizeof(int *));
  12. 	for (i = 0;i < a; i++){
  13. 		mat[i] = (int *)malloc(b * sizeof(int));
  14. 	}
  15.  
  16. 	for (i =0;i < a; i++){
  17. 		for (j = 0;j < b; j++){
  18. 			mat[i][j] = k++;
  19. 		}
  20. 	}
  21.  
  22.  
  23.  
  24.     for(i=0;i<a;i++){
  25.         for(j=0;j<b;j++){
  26.             printf("%d ",mat[i][j]);
  27.         }
  28.         printf("\n");
  29.     }
  30.  
  31.     for (i = 0;i < a; i++){
  32.     	free(mat[i]);
  33.     }
  34.     free(mat);
  35.  
  36.  
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0s 5284KB
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https://ideone.com/xwuAzK
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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