Answer Posted / venkat reddy

#include<stdio.h>
main()
{
int i,n,count=0;
printf("enter a no.");
scanf("%d",&n);
for(i=2;i<n;i++)

{
if(n%i==0)
{
count++;
}
}
if(count>1)
{
printf("not prime no.");

}
else
printf("prime");
}

What is the use of ?

626

---

Is there any demerits of using pointer?

631

---

What is sizeof int in c?

604

---

What is void main () in c?

735

---

What are derived data types in c?

612

---

---

main(){char *str;scanf("%s",str);printf("%s",str); }The error in the above program is: a) Variable 'str' is not initialised b) Format control for a string is not %s c) Parameter to scanf is passed by value. It should be an address d) none

727

---

What is the need of structure in c?

566

---

Difference between MAC vs. IP Addressing

643

---

void main(int n) { if(n==0) return; main(--n); printf("%d ",n); getch(); } how it work and what will be its output...............it any one know ans plz reply

2226

---

Explain about the constants which help in debugging?

857

---

Why structure is used in c?

597

---

With the help of using classes, write a program to add two numbers.

620

---

Are there constructors in c?

598

---

What is use of null pointer in c?

572

---

Is c programming hard?

577

---