Question

Q-Write a program to input a binary number and to convert it into octal number (By io stream) !


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Answer 1

Answer:

#include<iostream>

#include<math.h>

using namespace std;

int convert(long long);

int main()

{

       long long binnum;

       cout<<"\n Enter Binary Number : ";

       cin>>binnum;

       cout<<"\n Binary Number to Octal Number : " <<convert(binnum);

       return 0;

}

int convert(long long binnum)

{

       int octnum = 0, decinum = 0, i = 0;

       while(binnum != 0)

       {

               decinum += (binnum % 10) * pow(2,i);

               ++i;

               binnum /= 10;

       }

       i = 1;

       while (decinum != 0)

       {

               octnum += (decinum % 8) * i;

               decinum /= 8;

               i *= 10;

       }

       return octnum;

}

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Answer 2

Answer:

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