fork download 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4.  
  5. int main(){
  6.     int i,j,k;
  7.     int a,b;
  8.     int **mat;
  9.     scanf("%d %d",&a,&b);
  10.     mat=(int**)malloc(sizeof(int*)*a);
  11.  
  12.  
  13.     for(i=0;i<a;i++){
  14.     	mat[i]=(int *)malloc(sizeof(int)*b);
  15.     }
  16.     k=1;
  17.     for(i=0;i<a;i++){
  18.     	for(j=0;j<b;j++){
  19.     		mat[i][j]=k;
  20.     		k++;
  21.     	}
  22.     }
  23.  
  24.     for(i=0;i<a;i++){
  25.         for(j=0;j<b;j++){
  26.             printf("%d ",mat[i][j]);
  27.         }
  28.         printf("\n");
  29.     }
  30.  
  31.     for(i=0;i<a;i++){
  32.     	free(mat[i]);
  33.     }
  34.     free(mat);
  35.  
  36.  
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0s 596KB
comments (?)
stdin 
3 2
stdout 
1 2 
3 4 
5 6
https://ideone.com/2qQXlD
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!