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