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Leetcode解题报告——646. Maximum Length of Pair Chain
题目要求：You are given n pairs of numbers. In every pair, the first number i...
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Leetcode解题报告——357. Count Numbers with Unique Digits
题目要求：Given a non-negative integer n, count all numbers with unique digit...
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Leetcode解题报告——334. Increasing Triplet Subsequence
题目要求：Given an unsorted array return whether an increasing subsequence of...
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Leetcode解题报告——300. Longest Increasing Subsequence
题目要求：Given an unsorted array of integers, find the length of longest inc...
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（参考）Leetcode解题报告——396. Rotate Function
题目要求：Given an array of integers A and let n to be its length. Assume Bk ...
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Leetcode解题报告——25. Reverse Nodes in k-Group
题目要求：Given a linked list, reverse the nodes of a linked list k at a time...
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Leetcode解题报告——128. Longest Consecutive Sequence
题目要求：Given an unsorted array of integers, find the length of the longest...
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Leetcode解题报告——274. H-Index
题目要求：Given an array of citations (each citation is a non-negative intege...
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Leetcode解题报告——200. Number of Islands题目要求：Given a 2d grid map of '1's (land) and '0's (water), count the numb...