Pawn Brotherhood

Pawn Brotherhood

 

 1 alpha_table = "abcdefgh"

 2 

 3 def safe_pawns(pawns):

 4     safe_count = 0 5 6 for spawn in pawns: 7 if spawn[1] == '1': 8 continue 9 10 pos = alpha_table.find(spawn[0]) 11 str_row = str(int(spawn[1]) - 1) 12 13 if pos == 0: 14 if (alpha_table[1] + str_row) in pawns: 15 safe_count += 1 16 continue 17 18 if pos == 7: 19 if (alpha_table[6] + str_row) in pawns: 20 safe_count += 1 21 continue 22 23 if (alpha_table[pos - 1] + str_row) in pawns or (alpha_table[pos + 1] + str_row) in pawns: 24 safe_count += 1 25 26 return safe_count

自定义了一个小写字母表, 找出某字母的前后字母, 如b的(a, c)

另外可以使用chr(ord(pawn[0]) + 1), chr(ord(pawn[0]) - 1)获得前后字母, ord相当于获得字母的数码(如ascii码), chr是逆过程