# WAP in C++ to Convert Octal number to Binary number

The Program in C++ to Convert Octal number to Binary number is given below:

``````#include <iostream>
#include <math.h>
using namespace std;

int main() {
int decimal = 0, octal, remainder, product = 0;
long binary = 0;
cout<<"Hello Codeauri Family,Enter an octal number to get converted into binary number:\n";
cin >> octal;

while(octal != 0) {
decimal += (octal%10) * pow(8,product);
++product;
octal /= 10;
}

product = 1;
while (decimal != 0) {
binary += (decimal % 2) * product;
decimal /= 2;
product *= 10;
}

cout << "Well,the number in the binary form is: " << binary;
return 0;
}``````

## Output:

Hello Codeauri Family,Enter an octal number to get converted into binary number:
7
Well,the number in the binary form is: 111

## Pro-Tips💡

It first converts the octal number to a decimal number (base 10) using mathematical operations,

and then converts the decimal number to binary using a similar process.

The user is prompted to input an octal number, and the final binary number is outputted to the user.

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