James Pan

原题网址：https://leetcode.com/problems/meeting-rooms-ii/Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2],...] (si < ei), find the minimum number of confe

原题网址：https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/Say you have an array for which the ith element is the price of a given stock on day i.Design an algorithm to

原题网址：https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/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

原题网址：https://leetcode.com/problems/design-hit-counter/Design a hit counter which counts the number of hits received in the past 5 minutes.Each function accepts a timestamp parameter (in seco

原题网址:http://www.lintcode.com/en/problem/memcache/Implement a memcache which support the following features:get(curtTime, key). Get the key's value, return 2147483647 if key does not exis

原题网址：https://leetcode.com/problems/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 m

原题网址：https://leetcode.com/problems/132-pattern/Given a sequence of n integers a1, a2, ..., an, a 132 pattern is a subsequence ai, aj, ak such that i j k and ai < ak j. Design an algori