given locations of a set of unit masses on complex plane, find polar moment of inerta about the origin. for example output 4 if input [0 1 1+1i 0-1i]
you should ease up numerically on equality, so my solution works :)
Sums with Excluded Digits
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String substitution, sub problem to cryptoMath
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Given an unsigned integer x, find the largest y by rearranging the bits in x
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