Two whole lines. Someone is slipping. I especially enjoyed the regexp implementation that created trailing spaces for the words using split. Line 2 will take much longer to digest.
Angle between Two Vectors
Duplicate each element of a vector.
GJam 2014 Rd 1c: Reordering Train Cars (Large)
Image Processing 2.1.1 Planck Integral
Binpack Contest: Retro
Fix y_correct : Hack
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