BinaryToDecimal

#include <iostream>
using namespace std;

// Function to convert binary to decimal
int binaryToDecimal(int binNumber)
{
	int decValue = 0;
	int base = 1; //основа - 2^0=1
	while (binNumber)
	{
		decValue += (binNumber & 1) * base;
		binNumber >>= 1;
		base *= 2;
	}
	return decValue;
}

// Driver program to test above function
int main()
{
	cout << binaryToDecimal(0b10000000000) << endl;
}