fork download
copy 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(void) {
  5.     int a, b;
  6.     scanf("%d %d", &a, &b);
  7.     int **arr = (int **)malloc(sizeof(int *) * a);
  8.     for (int i = 0; i < a; i++) {
  9.         arr[i] = (int *)malloc(sizeof(int) * b);
  10.     }
  11.  
  12.     int cur = 1;
  13.     for (int i = 0; i < a; i++) {
  14.         for (int j = 0; j < b; j++) {
  15.             arr[i][j] = cur;
  16.             cur++;
  17.         }
  18.     }
  19.  
  20.     for (int i = 0; i < a; i++) {
  21.         for (int j = 0; j < b; j++) {
  22.             printf("%d", arr[i][j]);
  23.             if (j < b - 1) printf(" ");
  24.         }
  25.         printf("\n");
  26.     }
  27.     for (int i = 0; i < a; i++) {
  28.         free(arr[i]);
  29.     }
  30.     free(arr);
  31.  
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
copy 
2 3
stdout
copy 
1 2 3
4 5 6
https://ideone.com/xQ5Rkv
language:
C (gcc 8.3)
created:
2 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!