Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An is...
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Leetcode 200 Number of Islands(DFS/BFS)
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Leetcode973. K Closest Points to Origin
We have a list of points on the plane. Find the K closest points to the origin (0, 0)....
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Leetcode5 Longest Palindromic Substring
Given a string s, find the longest palindromic substring in s. You may assume that the ...
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Leetcode 3Sum 以及相关的题目
15. 3Sum Given an array nums of n integers, are there elements a, b, c in nums such tha...
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Leetcode 2sum，以及一些衍生题目的总结；
今天主要将自己刷的2sum和相关的一些同一类型的题目做个summary。正所谓‘平生不识TwoSum，刷尽LeetCode也枉然’ 1. 2sum 题目描述：Given an...
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