检查数组中的前缀

def check_prefix(strings, prefix):
    for string in strings:
        if not string.startswith(prefix):
            return False
    return True

# 示例用法
strings = ["apple", "application", "appreciate"]
prefix = "app"
result = check_prefix(strings, prefix)
print(result)  # 输出: True

class TrieNode:
    def __init__(self):
        self.children = {}
        self.is_end_of_word = False

class Trie:
    def __init__(self):
        self.root = TrieNode()

    def insert(self, word):
        node = self.root
        for char in word:
            if char not in node.children:
                node.children[char] = TrieNode()
            node = node.children[char]
        node.is_end_of_word = True

    def search_prefix(self, prefix):
        node = self.root
        for char in prefix:
            if char not in node.children:
                return False
            node = node.children[char]
        return True

# 示例用法
trie = Trie()
strings = ["apple", "application", "appreciate"]
for string in strings:
    trie.insert(string)

prefix = "app"
result = trie.search_prefix(prefix)
print(result)  # 输出: True