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 ...
标签归档：leetcode
[LeetCode]Lonely Pixel II
[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 ...
[LeetCode]K-diff Pairs in an Array
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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 ...
LeetCode Weekly Contest 21解题报告
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LeetCode.
LeetCode Weekly Contest 21是LeetCode举办的第二十六场正式周赛，共4道题目，比赛时长1.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-21/
题解列表：
LeetCode 530. Minimum Absolute Difference in BST
LeetCode 523. Continuous Subarray Sum
[LeetCode]Minesweeper
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LeetCode.
题目描述：
Let's play the minesweeper game (Wikipedia, online game)!
You are given a 2D char matrix representing the game board. 'M' represents an unrevealed mine, 'E' represents an unrevealed empty square, 'B' represents a revealed blank square ...