leetcode_gym/_problems/numOnes.md

layout, title

layout	title
page	Num Ones

Loop and Bit Mask

{% highlight python %}

def hammingWeight(self, n: int) -> int:
    
    count = 0
    while n>0:
        
        if n&1==1:
            count+=1
        
        n>>=1
    
    return count

{% endhighlight %}