PIK 3/30/2020

#include<stdio.h>
#include<stdlib.h>

int main()
{
    int *p, i, n, a;

    printf("Enter the size of the array: \n\n");
    scanf("%d", &a);
    p = (int*)calloc(a, sizeof(int));


    if(p==NULL)
    {
        printf("Memory allocation failed");
        exit(1);
    }

    for(i = 0; i < a; i++)
    {
        printf("Enter element at index %d: ", i);
        scanf("%d", p+i);
    }
    int j;
    printf("IncreasinG the size of the array by elements ...\n " );
    scanf("%d", &j);

    p = (int*)realloc(p, j * sizeof(int));

    if(p==NULL)
    {
        printf("Memory allocation failed");
        exit(1);
    }

    printf("\nEnter %d more integers\n\n",j);

    for(i = a; i < (j+a); i++)
    {
        printf("Enter element at index %d: ", i);
        scanf("%d", p+i);
    }

    printf("\nFinal array: \n\n");

    for(i = 0; i < (j+a); i++)
    {
        printf("%d ", *(p+i) );
    }

    return 0;
}