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Fastest-algorithm competitions are won by the answer with the smallest asymptotic time complexity. For challenges based on actual runtime, use [fastest-code] instead.
3
votes
How much weight can you lift?
Python 2, \$ O(2^{\frac{|W|}2} \cdot |B| \cdot |W| + |W|^2) \$, 203 bytes
Naive implementation, looks at all combinations of possible weights \$W\$ and barbells \$B\$.
lambda B,W,T:min([(w+w[::-1] …
7
votes
Find the longest uninterrupted arc
Python 3, O(n*log(n)), 167 bytes
import math
def f(p):p=[math.atan2(*x)for x in p];q=sorted(p);d=[b-a for a,b in zip(q,q[1:])]+[math.pi*2-q[-1]+q[0]];i=d.index(max(d));return map(p.index,(q*2)[i:i+ …