C program to convert binary number to decimal number

Simple C program to convert a binary number to decimal number.

#include<stdio.h>
#include<math.h>
int main()
{
 int n,decimal=0,i=0;
 printf("Enter a binary number: ");
 scanf("%d",&n);
 while(n!=0)
 {
  decimal=decimal+pow(2,i)*(n%10);
  n=n/10;
  i++;
 }
 printf("Decimal number = %d",decimal);
 return 0;
}