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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.  
  10.     scanf("%d %d", &a, &b);
  11.  
  12.  
  13.     mat = (int **)malloc(sizeof(int *) * a); 
  14.     for(i = 0; i < a; i++) {
  15.         mat[i] = (int *)malloc(sizeof(int) * b); 
  16.     }
  17.  
  18.  
  19.     for(i = 0; i < a; i++) {
  20.         for(j = 0; j < b; j++) {
  21.             mat[i][j] = k++; 
  22.         }
  23.     }
  24.  
  25.  
  26.     for(i = 0; i < a; i++) {
  27.         for(j = 0; j < b; j++) {
  28.             printf("%d ", mat[i][j]);
  29.         }
  30.         printf("\n");
  31.     }
  32.  
  33.  
  34.     for(i = 0; i < a; i++) {
  35.         free(mat[i]); 
  36.     }
  37.     free(mat); 
  38.  
  39.     return 0;
  40. }
  41.  
Success #stdin #stdout 0s 5284KB
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stdout
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https://ideone.com/TZYXwQ
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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