题目描述：

LeetCode 591. Tag Validator

Given a string representing a code snippet, you need to implement a tag validator to parse the code and return whether it is valid. A code snippet is valid if all the following rules hold ...

题目描述：

LeetCode 609. Find Duplicate File in System

Given a list of directory info including directory path, and all the files with contents in this directory, you need to find out all the groups of duplicate files in the file ...

题目描述：

LeetCode 606. Construct String from Binary Tree

You need to construct a string consists of parenthesis and integers from a binary tree with the preorder traversing way.

The null node needs to be represented by empty parenthesis pair " ...

题目描述：

LeetCode 605. Can Place Flowers

Suppose you have a long flowerbed in which some of the plots are planted and some are not. However, flowers cannot be planted in adjacent plots - they would compete for water and both would ...

LeetCode Weekly Contest 34是LeetCode举办的第三十九场正式周赛，共4道题目，比赛时长1.5小时。

比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-34/

题解列表：

LeetCode 598. Range Addition II

LeetCode 599. Minimum Index Sum of Two Lists

LeetCode 565. Array Nesting

LeetCode 600. Non-negative Integers without Consecutive Ones