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First solution in Clear category for Pawn Brotherhood by grazik
def compare(pawn1, pawn2):
if (int(pawn2[1]) + 1 == int(pawn1[1])) and ((ord(pawn2[0]) + 1 == ord(pawn1[0])) or (ord(pawn2[0]) - 1 == ord(pawn1[0]))):
return True
else:
return False
def safe_pawns(pawns):
safe = 0
for i in pawns:
for j in pawns:
if i != j:
if (compare(i,j)):
safe += 1
break
return safe
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
Oct. 17, 2016
