Hi everyone, I kept getting wrong answer in this Problem . Basically it just wants to know what will be the position of last person alive.
It is based on Josephus problem. I used the formula
Can anyone explain please ?
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The formula is correct.
log base 2 approximation fails for some numbers of the form 2**k — 1 for eg 562949953421311. In python math.log(562949953421311,2) returns 49.0. I was the tester of this problem. http://ideone.com/2AmM0h :)