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First solution in Clear category for Pawn Brotherhood by mgugala
def safe_pawns(pawns):
return len(list(filter(lambda pawn: any(map(lambda defence: abs(ord(pawn[0]) - ord(defence[0])) == 1 and ord(pawn[1]) - ord(defence[1]) == 1, pawns)), pawns)))
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert safe_pawns({"b4", "d4", "f4", "c3", "e3", "g5", "d2"}) == 6
assert safe_pawns({"b4", "c4", "d4", "e4", "f4", "g4", "e5"}) == 1
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Jan. 12, 2018
