Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
Need more functions solution in Creative category for Pawn Brotherhood by genadiik
def defenders(pawn: str) -> tuple:
"""
Returns pawn's possible defenders
"""
x, y = pawn[0], int(pawn[1])
return (f'{chr(ord(x)-1)}{y-1}', f'{chr(ord(x)+1)}{y-1}')
def is_safe(pawn: str, pawns: set) -> bool:
"""
Returns True if a pawn has at least one defender
"""
return any([defender in pawns for defender in defenders(pawn)])
def safe_pawns(pawns: set) -> int:
return len(list(filter(lambda x: is_safe(x, pawns), pawns)))
June 2, 2019
