归档 2017

[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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LeetCode Weekly Contest 34解题报告

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

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