terracotta-ko/howMany1BitsInTheInt_3.cpp

## howMany1BitsInTheInt_3.cpp
class Solution {
public:
    int hammingWeight(uint32_t n) {
        return bitset<32>(n).count();
    }
};
	class Solution {
	public:
	int hammingWeight(uint32_t n) {
	return bitset<32>(n).count();
	}
	};