归档 2017年6月

LeetCode Weekly Contest 35解题报告

LeetCode Weekly Contest 35是LeetCode举办的第四十场正式周赛,共4道题目,比赛时长1.5小时。

比赛链接:https://leetcode.com/contest/leetcode-weekly-contest-35/

题解列表:

LeetCode 605. Can Place Flowers

LeetCode 606. Construct String from Binary Tree

LeetCode 609. Find Duplicate File in System

LeetCode 591. Tag Validator

[LeetCode]Construct String from Binary Tree

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 " ...

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