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First solution in Clear category for Pawn Brotherhood by rudnytskyi2007
def safe_pawns(pawns: set) -> int:
alph = '+abcdefgh+'
count = 0
for letter, point in pawns:
if alph[alph.find(letter) - 1] + str(int(point) - 1) in pawns or alph[alph.find(letter) + 1] + str(int(point) - 1) in pawns:
count += 1
return count
print("Example:")
print(safe_pawns({"b4", "d4", "f4", "c3", "e3", "g5", "d2"}))
assert safe_pawns({"d2", "f4", "d4", "b4", "e3", "g5", "c3"}) == 6
assert safe_pawns({"f4", "g4", "d4", "b4", "e4", "e5", "c4"}) == 1
print("The mission is done! Click 'Check Solution' to earn rewards!")
May 20, 2023
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