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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(){
  5.     int i,j,k;
  6.     int a,b;
  7.     int **mat;
  8.     scanf("%d %d",&a,&b);
  9.  
  10.     mat = (int*)malloc(sizeof(int) * a);
  11.     for(i=0; i<a; i++)
  12.     {
  13.     	mat[i] = (int*)malloc(sizeof(int) * b);
  14.     }
  15.  
  16. 	k = 1;
  17.  
  18. 	for(i=0; i<a; i++)
  19. 	{
  20.         for(j=0; j<b; j++)
  21.         {
  22.         	mat[i][j] = k;
  23.         	k++;
  24.         }
  25. 	}
  26.  
  27.     for(i=0;i<a; i++)
  28. 	{
  29.         for(j=0;j<b;j++)
  30.         {
  31.         	printf("%d ", mat[i][j]);
  32.         }
  33.         printf("\n");
  34. 	}
  35.  
  36. 	free(mat);
  37.  
  38.     return 0;
  39. }
  40.  
Success #stdin #stdout 0s 5284KB
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https://ideone.com/OgcjO2
language:
C (gcc 8.3)
created:
2 hours ago
visibility:
public

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