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

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

``````#include <iostream>
#include <cmath>
using namespace std;

int main() {
int decimal, octal = 0, i = 0;
cout <<"Hello Codeauri Family, Enter a decimal number here to convert them into octal equivalent: \n";
cin >>decimal;
while (decimal != 0) {
octal += (decimal % 8) * pow(10, i);
decimal /= 8;
i++;
}
cout << "Well, the octal equivalent is: " << octal << endl;
return 0;
}
``````

## Output:

Hello Codeauri Family, Enter a decimal number here to convert them into octal equivalent:
10
Well, the octal equivalent is: 12

## Pro-Tips💡

This program prompts the user to enter a decimal number, then uses a while loop to convert the number to octal.

The octal equivalent is then output to the console.

Note: If the decimal number is very large the octal number will be over-flowing the int variable, which will cause the output to be incorrect.

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