Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
Retardy solution in Clear category for Pawn Brotherhood by danersow
def safe_pawns(pawns: set) -> int:
safe_list = []
for pawn in pawns:
back = str(int(pawn[1]) - 1)
near_left = chr(ord(pawn[0]) - 1)
near_right = chr(ord(pawn[0]) + 1)
for p in pawns:
if p[0] in (near_left,near_right) and p[1] == back:
safe_list.append(pawn)
break
return len(safe_list)
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!")
Oct. 21, 2019
