Bitmask & Shift creative solution for Binary Count by arma - python coding challenges

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Bitmask & Shift solution in Creative category for Binary Count by arma

def checkio(number):
    """
    Find number of ON bits in integer with bitmask and shift
    """
    counter = 0
    while(number):
        if number & 0b1:
            counter += 1
        number >>= 1
    return counter

March 9, 2015

Comments:

kl65us on March 25, 2015, 8:07 p.m.
Really creative work!

Riddick on April 4, 2015, 5:17 p.m.
good creative work!

aureooms on April 7, 2015, 8:09 a.m.
Instead of the `if` branch, you could use <pre class='brush: python'>counter += number & 1 </pre> You can also remove the parentheses around number in the `while` statement.

arma on April 7, 2015, 1:17 p.m.
Good idea!

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