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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(){
  5.     int i, j, k = 1;
  6.     int a, b;
  7.     int **mat;
  8.  
  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.     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. }
  36.  
Success #stdin #stdout 0s 5284KB
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stdout
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https://ideone.com/pLogJ4
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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