Example #1
0
class WordDictionary(object):
    def __init__(self):
        """
        initialize your data structure here.
        """
        self.trie = Trie()

    def addWord(self, word):
        """
        Adds a word into the data structure.
        :type word: str
        :rtype: void
        """
        self.trie.insert(word)

    def search(self, word):
        """
        Returns if the word is in the data structure. A word could
        contain the dot character '.' to represent any one letter.
        :type word: str
        :rtype: bool
        """

        def search(idx, node):
            if idx == len(word):
                return node.is_leaf
            ch = word[idx]
            if ch != ".":
                if ch not in node.map_:
                    return False
                else:
                    return search(idx + 1, node.map_[ch])
            else:
                for k, v in node.map_.items():
                    if search(idx + 1, v):
                        return True
                return False

        return search(0, self.trie.root)
Example #2
0
 def __init__(self):
     """
     initialize your data structure here.
     """
     self.trie = Trie()
Example #3
0
def test1():
    trie = Trie()
    trie.insert("apple")
    assert trie.search("apple") == True
Example #4
0
def test2():
    trie = Trie()
    trie.insert("apple")
    assert trie.search("app") == False
Example #5
0
def test3():
    trie = Trie()
    trie.insert("apple")
    assert trie.startsWith("app") == True