648-Replace-Words
Sat 17 May 2025
https://leetcode.com/problems/replace-words
import pyutil as pyu
pyu.get_local_pyinfo()
print(pyu.ps2("python-dotenv"))
from typing import List
class Solution:
def __init__(self):
self.root = {}
def insert(self, word: str) -> None:
node = self.root
for c in word:
if c not in node:
node[c] = {}
node = node[c]
node['word'] = word
def search(self, word: str) -> str:
node = self.root
for c in word:
if 'word' in node:
return node['word']
if c not in node:
return word
node = node[c]
return word
def replaceWords(self, dict: List[str], sentence: str) -> str:
for word in dict:
self.insert(word)
words = sentence.split(' ')
return ' '.join([self.search(word) for word in words])
new Solution().__init__()
Score: 5
Category: leetcode