number-of-1-bits.cpp

// https://leetcode.com/problems/number-of-1-bits/

class Solution
{
public:
	int hammingWeight(uint32_t n)
	{
		int bitCount = 0;

		for (int i = 0; i < 32; i++)
		{
			if ((n & 1) == 1)
			{
				bitCount++;
			}
			n >>= 1;
		}

		cout << n << endl;

		return bitCount;
	}
};