03 2017 档案
摘要:本周选择了贪心算法类的题型加以巩固,在LeetCode中难度系数为Hard。 题目: Suppose LeetCode will start its IPO soon. In order to sell a good price of its shares to Venture Capital, L
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摘要:本周依旧是做与图论相关的题目,作为对图论知识的巩固。 题目:279. Perfect Squares Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9,
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摘要:本周学习了DFS,因此在LeetCode中挑选了一道关于DFS的题目作为巩固。 题目:200. Number of Islands Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An
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摘要:本周对链表操作进行了巩固 题目: Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You must do this in-place without altering the n
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摘要:本周学习分治法,故特意挑选了相关习题巩固一下,并回顾一下分治法的思路 题目:Kth Largest Element in an Array Find the kth largest element in an unsorted array. Note that it is the kth large
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