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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(){
  5.     int i,j,k;
  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){
  12.         printf("ERROR\n");
  13.         return 0;
  14.     }
  15.     for(i=0;i<a;i++){
  16.         mat[i]=(int*)malloc(sizeof(int)*b);
  17.         if(mat[i]==NULL){
  18.             printf("ERROR\n");
  19.             return 0;
  20.         }
  21.     }
  22.     k = 1;
  23.     for(i=0;i<a;i++){
  24.         for(j=0;j<b;j++){
  25.             mat[i][j]=k++;
  26.         }
  27.     for(i=0;i<a;i++){
  28.         free(mat[i]);
  29.     }
  30.     }
  31.     for(i=0;i<a;i++){
  32.         for(j=0;j<b;j++){
  33.             printf("%d ",mat[i][j]);
  34.         }
  35.         printf("\n");
  36.     }
  37.     free(mat);
  38.     return 0;
  39. }
  40.  
Success #stdin #stdout 0s 5332KB
comments (?)
stdin
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2 3
stdout
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0 0 1606258704 
1606263440 21914 1606258704
https://ideone.com/FsNRg3
language:
C (gcc 8.3)
created:
6 hours ago
visibility:
public

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