Example: C++ program to convert decimal to binary using function

C
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Java
Python
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// C++ program to convert decimal to binary using function
#include <iostream>
using namespace std;

// Function to convert decimal to binary
long long convertToBinary(int num)
{
    long long binary = 0;
    int place = 1;

    // Convert to binary using mathematical logic
    while (num != 0) {
        int remainder = num % 2;
        binary += remainder * place;
        num /= 2;
        place *= 10;
    }

    return binary;
}

// The main function of the program
int main()
{
    // Step-1 Declare variables
    int number;

    // Step-2 Input decimal number
    cout << "Enter a decimal number: ";
    cin >> number;

    // Step-3 Call the function to convert
    long long result = convertToBinary(number);

    // Step-4 Output the result
    cout << "Binary representation: " << result << endl;

    return 0;
}