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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(void)
  5. {
  6.     int i,j,k;
  7.     int a,b;
  8.     int **mat;
  9.     scanf("%d %d",&a,&b);
  10.  
  11.     mat = (int**)malloc(sizeof(int)*a);    
  12.     for(i=0;i<a;i++)
  13.     {
  14.         mat[i] = (int*)malloc(sizeof(int)*b);
  15.     }
  16.  
  17.     k = 1; 
  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 0.01s 5272KB
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stdout
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https://ideone.com/tOR6jB
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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