LeetCode Weekly Contest 22是LeetCode举办的第二十七场正式周赛，共4道题目，比赛时长1.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-22/
题解列表：
档案日期2017的9
2017年2月27日 - 2017年3月5日
LeetCode Weekly Contest 22解题报告
[LeetCode]Freedom Trail
作者是
发布于
在
LeetCode.
题目描述：
In the video game Fallout 4, the quest "Road to Freedom" requires players to reach a metal dial called the "Freedom Trail Ring", and use the dial to spell a specific keyword in order to ...
[LeetCode]Lonely Pixel II
作者是
发布于
在
LeetCode.
题目描述：
Given a picture consisting of black and white pixels, and a positive integer N, find the number of black pixels located at some specific row R and column C that align with all the ...
[LeetCode]Lonely Pixel I
作者是
发布于
在
LeetCode.
题目描述：
Given a picture consisting of black and white pixels, find the number of black lonely pixels.
The picture is represented by a 2D char array consisting of 'B' and 'W', which means black and ...
[LeetCode]K-diff Pairs in an Array
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 532. K-diff Pairs in an Array
Given an array of integers and an integer k, you need to find the number of unique k-diff pairs in the array. Here a k-diff pair is defined as an integer pair ...