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First solution in Speedy category for Pawn Brotherhood by jszymk
def safe_pawns(pawns):
safe_pos = []
for i in pawns :
a = ""
a += chr(ord(i[0])+1)
a += chr(ord(i[1])+1)
safe_pos.append(a)
b = ""
b += chr(ord(i[0])-1)
b += chr(ord(i[1])+1)
safe_pos.append(b)
c = 0
for i in pawns :
for j in safe_pos :
if i == j :
c += 1
break
return c
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
