677. Map Sum Pairs
667. Map Sum Pairs
class TrieNode:
def __init__(self, val
Trie
588. Design In-Memory File System
588. Design In-Memory File System
class TrieNode:
def __init__(self)
648. Replace Words
648. Replace Words
這一題就屬於一開始看題目比較不容易看出來要是用 Trie ，題目中的一個小提示是最後我們要輸出的字串，是要輸出的是每個單字的 prefix ，看到要找 prefix
211. Design Add and Search Words Data Structure
211. Design Add and Search Words Data Structure
這一題比較特別，需要模糊比對搜尋的字串，
642. Design Search Autocomplete System
642. Design Search Autocomplete System
class AutocompleteSystem:
def __init__(self,
1268. Search Suggestions System
1268. Search Suggestions System
class TrieNode:
def __init__(self):
self.
208. Implement Trie \(Prefix Tree\)
208. Implement Trie (Prefix Tree)
class TrieNode:
# Initialize your data