A transaction is a buy & a sell. The stock span problem is a financial problem where we have a series of n daily price quotes for a stock and we need to calculate span of stock’s price for all n days. 15.13 5. 2 min read Say you have an array for which the i th element is the price of a given stock on day i . 122 Best Time to Buy and Sell Stock II. 1.20 Replace Elements with Greatest Element on Right Side: Approach 2 (Python Code) [Leetcode] ... Best Time to Buy and Sell Stock II : Approach 2 . The span of the stock's price today is defined as the maximum number of consecutive days (starting from today and going backwards) for which the price of the stock was less than or equal to today's price. The above DP may not seem easy to understand. After you sell your stock, you cannot buy stock on next day. You may not engage in multiple transactions at the same time (ie, you must sell the stock before you buy again). Millions of developers and companies build, ship, and maintain their software on GitHub — the largest and most advanced development platform in the world. GitHub is where the world builds software. You may not engage in multiple transactions at the same time (ie, you must sell the stock before you buy again). Best Time to Buy and Sell Stock III. FOr example, input [5 1 2 4 7], i r c 0 0 0 1 0 0 r = -1 so reset to zero 2 1 1 3 3 3 4 6 6 DP Version 2. LeetCode - Online Stock Span, Day 19, May 19, Week 3, Write a class StockSpanner which collects daily price quotes for some stock, and returns the span of that stock's price for the current day. You may complete as many transactions as you like (ie, buy one and sell one share of the stock multiple times). Analysis. Say you have an array for which the i th element is the price of a given stock on day i.. Design an algorithm to find the maximum profit. Replace Elements with Greatest Element on Right Side: Approach 2 [Leetcode] 6 min. Design an algorithm to find the maximum profit. 花花酱 LeetCode 901. Problem. dp[i][j] stands for the maximal profit gained after at most i transactions via prices[0,,j]. Write a class StockSpanner which collects daily price quotes for some stock, and returns the span of that stock’s price for the current day. 11 min. By zxi on September 14, 2018. This can be solve by "devide and conquer". Online Stock Span. Linear Time — Constant Space Python Solution 123. Best Time to Buy and Sell Stock II … (ie, cooldown 1 day) Example: Input: [1,2,3,0,2] Output: 3 Explanation: transactions = [buy, sell, cooldown, buy, sell] Thinking: Method 1: dp 状态 … Comparing to I and II, III limits the number of transactions to 2.