This is (more or less) cribbed from the USC contest winner's solution.
Very fast and very compact solution. Nice usage of complex to calculate distance between points and recursion.
Counting in Finnish
Give the Shortest Path Through The Maze
Implement simple rotation cypher
Combinations without using nchoosek
Back to basics - mean of corner elements of a matrix
Coin Tossing: Probability of Same Heads for N tosses
Create array of all Distances between two Sets of Points
GJam: 2013 China Event: Cannon Angle
Packing Santa's Sleigh: First Layer
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