#include <stdio.h>
#include <malloc.h>
main()
{
int  *base;     \\ A
int i;        
int cnt=0;
int sum=0;
printf("how many integers you have to store \n");    
scanf("%d",&cnt);        \\ B
base = (int *)malloc(cnt * sizeof(int));    \\ C
printf("the base of allocation is %16lu \n",base);    \\ D
if(!base)    \\ E
  printf("unable to allocate size \n");
else
 {        
    for(int j=0;j<cnt;j++)        \\ F
    *(base+j)=5;
 }
 sum = 0;
 for(int j=0;j<cnt;j++)            \\ G
    sum = sum + *(base+j);
 printf("total sum is %d\n",sum);
 free(base);        \\ H
 printf("the base of allocation is %16lu \n",base);
 base = (int *)malloc(cnt * sizeof(int));
printf("the base of allocation is %16lu \n",base);
 base = (int *)malloc(cnt * sizeof(int));        \\ I
printf("the base of allocation is %16lu \n",base);
 base = (int *)calloc(10,2);                \\ H
printf("the base of allocation is %16lu \n",base);
}