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litiblue/BishopMove.py

Created August 8, 2014 12:40
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  1. litiblue created this gist Aug 8, 2014.
    13 changes: 13 additions & 0 deletions BishopMove.py
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,13 @@
    class BishopMove(object):

    def howManyMoves(self, r1, c1, r2, c2):
    if (r1 + c1) % 2 != (r2 + c2) % 2:
    res = -1
    else:
    res = 2
    if r1 + c1 == r2 + c2:
    res -= 1
    if r1 - c1 == r2 - c2:
    res -= 1

    return res