1 line, clear math clear solution for Multiplication Table by kdim - python coding challenges

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1 line, clear math solution in Clear category for Multiplication Table by kdim

def checkio(first, second):
    return 2 * (f'{first:b}'.count('0') * second + f'{first:b}'.count('1') * (2 ** len(f'{second:b}') - 1))

March 3, 2021

Comments:

mikaeldovbnia on Nov. 2, 2022, 4:46 p.m.
It's a bit hard to read, but it is nice to me.

mikaeldovbnia on Nov. 2, 2022, 4:46 p.m.
And at least it is shorter than mine. I have a lot more code. Haha.

lisovsky on Feb. 2, 2023, 1:51 p.m.
Interesting idea! This is the first time I see such a solution. My solution :( <pre class='brush: python'>sum([op(int(bit * second.bit_length(), 2), second) for bit in bin(first)[2:] for op in (and_, or_, xor)]) </pre>

Mine

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