LeetCode Weekly Contest 6是LeetCode举办的第五场正式周赛，共4道题目，比赛时长2.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-6/
题解列表：
LeetCode 404. Sum of Left Leaves
LeetCode 405. Convert a Number to Hexadecimal
归档 2016年9月
LeetCode Weekly Contest 6解题报告
[LeetCode]Trapping Rain Water II
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 407. Trapping Rain Water II
Given an m x n matrix of positive integers representing the height of each unit cell in a 2D elevation map, compute the volume of water it is able to trap after raining ...
[LeetCode]Queue Reconstruction by Height
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发布于
在
LeetCode.
题目描述：
LeetCode 406. Queue Reconstruction by Height
Suppose you have a random list of people standing in a queue. Each person is described by a pair of integers (h, k), where h is the height of the person and k ...
[LeetCode]Convert a Number to Hexadecimal
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 405. Convert a Number to Hexadecimal
Given an integer, write an algorithm to convert it to hexadecimal. For negative integer, two’s complement method is used.
IMPORTANT:
You must not use any method provided by the library which converts ...
[LeetCode]Sum of Left Leaves
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 404. Sum of Left Leaves
Find the sum of all left leaves in a given binary tree.
Example:
3
/ \
9 20
/ \
15 7
There are two left leaves in the binary tree, with values 9 and 15 respectively ...