Question

How to convert decimal number to binary number in C++

Answer 1

#include <iostream>

long DecimalToBinary(long n);

int main()
{
	long decimal = 239;

	std::cout << "The binary number is: " << DecimalToBinary(decimal) << std::endl;

	return 0;
}

long DecimalToBinary(long n)
{
	int remainder;
	long binary = 0, i = 1;

	while (n != 0)
	{
		remainder = n % 2;
		n = n / 2;
		binary = binary + (remainder * i);
		i = i * 10;
	}
	return binary;
}


/*
run:

The binary number is: 11101111

*/

 

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