// Program to convert binary to decimal
#include<iostream.h>
#include<math.h>
int main()
{
int m,i=0,sum=0,a[16],j,x=0;
long no;
cout<<"Enter Binary number:";
cin>>no;
while(no>0)
{
m=no%10;
a[i]=m;
++i;
no=no/10;
}
for(j=0;j<i;j++)
{
sum=sum+a[j] * pow(2,x);
++x;
}
cout<<"\n Decimal number : "<<sum;
return 0 ;
}
Test data
Enter Binary number : 100011
Output
Decimal number : 35
