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  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.     mat=(int**)malloc(sizeof(int*)*a);
  10.     if(mat==NULL){
  11.     	printf("ERROR\n");
  12.     	return 0;
  13.     }
  14.     for(i=0;i<a;i++){
  15.     	mat[i]=(int*)malloc(sizeof(int)*b);
  16.     	if(mat[i]==NULL){
  17.     		printf("ERROR\n");
  18.     		return 0;
  19.     	}
  20.     }
  21.     for(i=0;i<a;i++){
  22.     	for(j=0;j<b;j++){
  23.     		mat[i][j]=k++;
  24.     	}	
  25.     	}
  26.     for(i=0;i<a;i++){
  27.         for(j=0;j<b;j++){
  28.             printf("%d ",mat[i][j]);
  29.         }
  30.         printf("\n");
  31.     }
  32.     for(i=0;i<a;i++){
  33.     	free(mat[i]);
  34.     }
  35. free(mat);
  36.  
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0s 5280KB
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https://ideone.com/xfpjwt
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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