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First solution in Clear category for Pawn Brotherhood by Wojtas1411
def safe_pawns(pawns):
pawns=list(pawns)
safe_pos=[]
k=0
for i in range(len(pawns)):
safe_pos.append(chr(ord(pawns[i][0])+1)+str(int(pawns[i][1])+1))
safe_pos.append(chr(ord(pawns[i][0])-1)+str(int(pawns[i][1])+1))
n=0
while n 1:
safe_pos.remove(safe_pos[n])
n-=1
n+=1
for i in range(len(pawns)):
for j in range(len(safe_pos)):
if pawns[i]==safe_pos[j]:
k+=1
return k
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. 23, 2016
