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 " ...
[LeetCode]Construct String from Binary Tree
[LeetCode]Can Place Flowers
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LeetCode.
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解题报告
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LeetCode.
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 600. Non-negative Integers without Consecutive Ones
[LeetCode]Array Nesting
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题目描述：
A zero-indexed array A consisting of N different integers is given. The array contains all integers in the range [0, N - 1].
Sets S[K] for 0 <= K < N are defined as follows ...
[LeetCode]Non-negative Integers without Consecutive Ones
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LeetCode.
题目描述：
LeetCode 600. Non-negative Integers without Consecutive Ones
Given a positive integer n, find the number of non-negative integers less than or equal to n, whose binary representations do NOT contain consecutive ones.
Example 1:
Input: 5 Output: 5 Explanation ...