fork download
copy 
  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.     scanf("%d %d", &a, &b);
  9.  
  10.     mat = (int **)malloc(a * sizeof(int *));
  11.     for (i = 0; i < a; i++) {
  12.         mat[i] = (int *)malloc(b * sizeof(int));
  13.     }
  14.  
  15.     for (i = 0; i < a; i++) {
  16.         for (j = 0; j < b; j++) {
  17.             mat[i][j] = k++;
  18.         }
  19.     }
  20.  
  21.     for (i = 0; i < a; i++) {
  22.         for (j = 0; j < b; j++) {
  23.             printf("%d ", mat[i][j]);
  24.         }
  25.         printf("\n");
  26.     }
  27.  
  28.     for (i = 0; i < a; i++) {
  29.         free(mat[i]);
  30.     }
  31.     free(mat);
  32.  
  33.     return 0;
  34. }
  35.  
Success #stdin #stdout 0s 5280KB
comments (?)
stdin
copy 
2 3
stdout
copy 
1 2 3 
4 5 6
https://ideone.com/ioxlQD
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!