#include <stdlib.h>
#include <stdio.h>
int main(void)
{
    size_t NNUMBERS = 50000;
    char **arr=calloc(NNUMBERS,sizeof(char *));
    if(arr==NULL)
    {
        exit(EXIT_FAILURE);
    }
    for(size_t i=0;i<NNUMBERS;i++)
    {
        *(arr+i)=calloc(3,sizeof(char));
        if(*(arr+i)==NULL)
        {
            exit(EXIT_FAILURE);
        }
    }
    char *number0=arr[0];
    number0[0]='h';
    number0[1]='i';
    printf("%s\n",number0);
    return 0;
}