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litiblue/BishopMove.py

Created August 8, 2014 12:40
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BishopMove
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BishopMove.py
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
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