题目描述：
LeetCode 540. Single Element in a Sorted Array
Given a sorted array consisting of only integers where every element appears twice except for one element which appears once. Find this single element that appears only once.
Example 1:
Input ...
[LeetCode]Single Element in a Sorted Array
LeetCode Weekly Contest 22解题报告
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LeetCode.
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：
[LeetCode]Freedom Trail
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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
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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
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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 ...