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First solution in Clear category for Pawn Brotherhood by GoodOldBoy
def safe_pawns(pawns):
pions_proteges = 0
for pion in pawns:
# déterminer la position du ou des deux pions pouvant le protéger
position1 = chr(ord(pion[0])-1) + str(int(pion[1]) - 1)
position2 = chr(ord(pion[0])+1) + str(int(pion[1]) - 1)
if position1 in pawns or position2 in pawns:
pions_proteges += 1
return pions_proteges
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
Jan. 1, 2015