C Language - Find Square and Cube

Q1. WAP to find factorial of input number.

#include<stdio.h>
#include<conio.h>
void main()
{
   int n, i, c=1;
   clrscr();
   printf("Enter number: ");
   scanf("%d",&n);
   for(i=1; i<=n; i++)
   {
       c=c*i;
   }
   printf("Factorial of %d is: %d", n,c);
   getch();
}

Enter number: 5
Factorial of 5 is: 120