MRxjh的博客

python：class Solution: def restoreIpAddresses(self, s): """ :type s: str :rtype: List[str] """ def dfs(s, index, path, res): if index == 4: ...

python:class Solution: def firstUniqChar(self, s): """ :type s: str :rtype: int """ l = dict() for i in list(s): if i in l: ...

python:class Solution: def uniqueMorseRepresentations(self, words): """ :type words: List[str] :rtype: int """ m = [".-","-...","-.-.","-..&quot

python:class Solution: def buddyStrings(self, A, B): """ :type A: str :type B: str :rtype: bool """ if A == B: return len(set(A)) !=...

python；class Solution: def mostCommonWord(self, paragraph, banned): """ :type paragraph: str :type banned: List[str] :rtype: str """ res = ('', -...