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LeetCode

Java(117) Linux(1) MongoDB(1) MySQL(2) 计算机安全与网络编程(1)

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全部文章 / LeetCode （共16篇）

148. Sort List

Sort a linked list in O(n log n) time using constant space complexity. Example 1: Input: 4->2->1->3 Output: 1->2->3->4 Example 2: ...

LeetCode

2019-04-28

0 440

162. Find Peak Element

A peak element is an element that is greater than its neighbors. Given an input array nums, where nums[i] ≠ nums[i+1], find a peak element and return...

LeetCode

2019-04-28

0 498

164. Maximum Gap

待续。。。太难了。。。

LeetCode

2019-04-28

0 357

176. Second Highest Salary

Write a SQL query to get the second highest salary from the Employee table. +----+--------+ | Id | Salary | +----+--------+ | 1 | 100 | | 2 | 20...

LeetCode SQL

2019-04-28

0 400

188. Best Time to Buy and Sell Stock IV

Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may compl...

LeetCode

2019-04-28

0 2620

457. Circular Array Loop

You are given a circular array nums of positive and negative integers. If a number k at an index is positive, then move forward k steps. Conversely, i...

LeetCode

2019-05-09

0 581