fork download
copy 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main()
  5. {
  6.     int i,j,k;
  7.     int a,b;
  8.     int **mat;
  9.     scanf("%d %d",&a,&b);
  10.  
  11.     mat = (int **)malloc(sizeof(int *)*a);
  12.     if(mat == NULL){
  13.         printf("ERROR\n");
  14.         return 0;
  15.     }
  16.     for(i=0;i<a;i++){
  17.         mat[i] = (int *)malloc(sizeof(int)*b);
  18.         if(mat[i] == NULL){
  19.             printf("ERROR\n");
  20.             return 0;
  21.         }
  22.     }
  23.     k = 1;
  24.     for(i=0;i<a;i++){
  25.         for(j=0;j<b;j++){
  26.             mat[i][j] = k++;
  27.         }
  28.     }
  29.     for(i=0;i<a;i++){
  30.         for(j=0;j<b;j++){
  31.             printf("%d ",mat[i][j]);
  32.         }
  33.         printf("\n");
  34.     }
  35.     for(i=0;i<a;i++){
  36.         free(mat[i]);
  37.     }
  38.     free(mat);
  39.     return 0;
  40. }
  41.  
Success #stdin #stdout 0s 5288KB
comments (?)
stdin
copy 
2 3
stdout
copy 
1 2 3 
4 5 6
https://ideone.com/n84aWc
language:
C (gcc 8.3)
created:
11 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!