給出26個(gè)字母的另一種順序以及這個(gè)順序下的幾個(gè)單詞，問是否符合字母序。
用dict構(gòu)建原本的26個(gè)字母和新字母序列的映射，將新序的單詞映射回原始26個(gè)字母序，再直接對(duì)比相鄰字符串
1 #953
2 #Runtime: 18 ms (Beats 91.10%)
3 #Memory: 13.4 MB (Beats 76.87%)
4
5 class Solution(object):
6 def isAlienSorted(self, words, order):
7 """
8 :type words: List[str]
9 :type order: str
10 :rtype: bool
11 """
12 ori_id = dict()
13 a = "abcdefghijklmnopqrstuvwxyz"
14 for i in range(26):
15 ori_id[order[i]] = a[i]
16 for i in range(len(words)):
17 trans_s = []
18 for j in words[i]:
19 trans_s.append(ori_id[j])
20 trans_s = ''.join(trans_s)
21 if i == 0:
22 pre = trans_s
23 else:
24 if pre > trans_s:
25 return False
26 pre = trans_s
27 return True