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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.  
  10.     mat = (int**)malloc(sizeof(int)*a);
  11.     if(mat == NULL){printf("ERROR\n"); return 0;}
  12.  
  13.     for(i=0;i<a;i++){
  14.     	mat[i] = (int*)malloc(sizeof(int)*b);
  15.  
  16.     	if(mat[i]==NULL){printf("ERROR\n");return 0;}
  17.     }
  18.     for(i=0;i<a;i++){
  19.     	for(j=0;j<b;j++){
  20.     		mat[i][j]=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.     free(mat);
  32.  
  33.  
  34.     return 0;
  35. }
  36.  
Success #stdin #stdout 0s 5288KB
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https://ideone.com/32ianG
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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