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First solution in Clear category for Pawn Brotherhood by pizdec.mail
def safe_pawns(pawns):
save_count = 0
pawns = list(pawns)
for i in pawns:
if (chr(ord(i[0])-1) + str(int(i[1])-1)) in pawns:
save_count += 1
continue
if (chr(ord(i[0])+1) + str(int(i[1])-1)) in pawns:
save_count += 1
continue
return save_count
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
Nov. 9, 2015
