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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.         mat[i] = (int *)malloc(sizeof(int) * b);
  13.     }
  14.  
  15.  
  16.     k=1;
  17.     for(i=0;i<a;i++){
  18.         for(j=0;j<b;j++){
  19.             mat[i][j] = k++;
  20.         }
  21.     }
  22.  
  23.     for(i=0;i<a;i++){ 
  24.         for(j=0;j<b;j++){ 
  25.             printf("%d ",mat[i][j]); 
  26.         } 
  27.         printf("\n"); 
  28.     } 
  29.  
  30.  
  31.     for(i=0;i<a;i++){
  32.         free(mat[i]);
  33.     }
  34.     free(mat);
  35.  
  36.     return 0; 
  37. }
  38.  
Success #stdin #stdout 0s 5312KB
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https://ideone.com/l2bcYe
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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