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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.     k = 1;
  16.     for(i=0; i<a; i++){
  17.         for(j=0; j<b; j++){
  18.             mat[i][j] = k++;
  19.         }
  20.     }
  21.  
  22.     for(i=0; i<a; i++){
  23.         for(j=0; j<b; j++){
  24.             printf("%d ",mat[i][j]);
  25.         }
  26.         printf("\n");
  27.     }
  28.  
  29.     for(i=0; i<a; i++){
  30.         free(mat[i]);
  31.     }
  32.     free(mat);
  33.  
  34.     return 0;
  35. }
Success #stdin #stdout 0s 5324KB
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stdin
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stdout
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https://ideone.com/2F2HkA
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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