Answer Posted / sheela

#include<stdio.h>
#include<conio.h>
#include<math.h>
int main()
{
int n,r,s=0,i=0;
printf("\nEnter the binary number ");
scanf("%d",&n);
while(n>0)
{
r=n%10;
n=n/10;
s=s+r*pow(2,i++);
}
printf("\nThe binary equivalent is ");
printf("%d",s);
getch();
}

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