Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
First solution in Clear category for Pawn Brotherhood by ChubinOleg
def safe_pawns(pawns):
def is_segure(pawn, all_pawns):
row = int(pawn[1]) - 1
columns = chr(ord(pawn[0])-1), chr(ord(pawn[0])+1)
for r, c in zip([row, row], columns):
if "%s%s"% (c, r) in all_pawns:
return True
return False
return sum(1 for i in pawns if is_segure(i, 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
Sept. 28, 2014
Comments:
