Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
First solution in Clear category for Pawn Brotherhood by LexaMSK777
def safe_pawns(pawns: set) -> int:
#make set of safe quares
safe_squares = set()
for elem in pawns:
safe_squares.add(str(chr(ord(elem[0])-1))+str(1+int(elem[1])))
safe_squares.add(str(chr(ord(elem[0])+1))+str(1+int(elem[1])))
#return number of pawns on safe squares
return len(safe_squares & 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
print("Coding complete? Click 'Check' to review your tests and earn cool rewards!")
Jan. 11, 2019
Comments:
