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  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.  
  11.     mat=(int**)malloc(a*sizeof(int*));
  12.     for(int i=0;i<a;i++){
  13.     	mat[i]=(int*)malloc(b*sizeof(int));
  14.     	if(mat==NULL){
  15.     		printf("ERROR");
  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.     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 5248KB
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https://ideone.com/fcOwpS
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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