Answer Posted / amit kumar

#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int n,flag=0,ctr;
printf("enter the number to be checked\n");
scanf("%d",&n);
for(ctr=2;ctr<=sqrt(n);ctr++)
{
if(n%ctr==0)
{
flag=1;
break;
}
}
if(flag==0)
printf("the given number is prime\n");
else
printf("the given number is not prime\n");
getch();
}

What is volatile variable in c with example?

588

---

What are comments and how do you insert it in a C program?

742

---

What is the use of ?: Operator?

667

---

How to draw the flowchart for structure programs?

8762

---

What is a node in c?

550

---

---

Why is this loop always executing once?

617

---

What is non linear data structure in c?

577

---

Which is better between malloc and calloc?

671

---

What is a nested formula?

605

---

Explain what is the difference between the expression '++a' and 'a++'?

627

---

#include int main(){ int i=10; int *ptr=&i; *ptr=(int *)20; printf("%d",i); return 0; } Output: 20 can anyone explain how came the output is 20

1267

---

What is the purpose of main( ) in c language?

623

---

What are terms in math?

594

---

can anyone suggest some site name..where i can get some good data structure puzzles???

1643

---

Why c is called a middle level language?

634

---