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Pawn Brotherhood Clean Code solution in Clear category for Pawn Brotherhood by virtualik
def safe_pawns(pawns: set) -> int:
pawns_indexes = set()
for pos in pawns:
row = int(pos[1]) - 1
col = ord(pos[0]) - 97
pawns_indexes.add((row, col))
count = 0
for row, col in pawns_indexes:
is_safe = ((row - 1, col - 1) in pawns_indexes) or ((row - 1, col + 1) in pawns_indexes)
if is_safe:
count += 1
result = count
return result
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
print("Coding complete? Click 'Check' to review your tests and earn cool rewards!")
April 17, 2020