# # 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 # # # @param s string字符串 # @param dic string字符串一维数组 # @return string字符串一维数组 # class Solution: # 返回该字符串的切片索引列表 def indexstr(self, s: str, dic: List[str]) -> List[int]: lenth = len(s) res = [] for i in range(lenth): if s[:i + 1] in dic: res.append(i) return res def recur(self, s: str, dic: List[str], tmpstr: str, lout: list ,lenth :int): index = self.indexstr(s, dic) lenth = len(s) curstr = tmpstr if s == '': str.strip(tmpstr) lout.append(tmpstr) return if index == []: return for i in index: if len(s) == lenth: tmpstr = curstr if tmpstr == '' : tmpstr = s[:i + 1] else : tmpstr = tmpstr + ' ' + s[:i + 1] self.recur(s[i + 1:], dic, tmpstr, lout ,lenth) def wordDiv(self, s: str, dic: List[str]) -> List[str]: # write code here res = [] index = self.indexstr(s, dic) if index == []: return [] tmpstr = '' lenth = len(s) self.recur(s, dic, tmpstr, res,lenth) return res