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Say you has 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. Transactions at the most K .Note:Engage in multiple transactions on the same time (ie, you must sell the stock before you buy again).Credits:Special thanks to @Freezen for adding this problem and creating all test cases.Based on Dynamic PlanningMaintain II vectors:gpro:to Da

title :Say you has 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. You are in most of the transactions.Note:Engage in multiple transactions on the same time (ie, you must sell the stock before you buy again).Code : runtime:175 ms1 classSolution:2 #@param prices, a list of integers3 #@return An integer4 defmaxprofit_with_

R get Stock dataSeveral pkg in R provide the online download of stock data Essentials, if you have to find a better, then quantmod well-deserved! For example, to download the market data in Shanghai, the code can be:library(quantmod)SSE head(SSE)possible:library(quantmod)setSymbolLookup(SSE=list(name="000001.SS", src="yahoo"))getSymbols("SSE")head(SSE)These are the essentials recommended by Jeff Ryan (Quant

Now in the hand is a securities information type of app, which involves the stock market interface, the market has chart and so on, see a lot of people on the Internet to seek this information, so I specially wrote a demo here to share with you. Here's how it works: The background map is the use of canvas first draw a rectangle, and then draw a few dotted lines, the EMA is drawn through the path, in short the drawing is very simple, I do not intro

The February 29 News reported that South Korea's only stock exchange, the Korean Exchange (KRX), will create an over-the-counter (OTC) platform using block-chain technology. The trading system developed by the Korean Exchange, which uses the underlying bitcoin and other digital currency codes, is at an early stage of development, The Korea Times reported. The exchange's representative told the media that the platform could help its OTC traders reduce

Sina's financial channel has always felt good. But because of the recent slow speed, the Web page is always open when viewing stock information. have been studying Ajax for several days, so I made a page with jquery to automatically read real-time data on Sina stock. Accustomed to using prototype, replace the script part of the code. Copy code code as follows: Of course, the page par

Problem-solving ideas: Record two states: 1, currently, there is a stock when the maximum yield Havstock = max (Havstock, Nonstock-prices[i]) 2, currently, no stock when the maximum yield nonstock = max (nonstock, hav Stock + prices[i]) State transfer formula is listed above. Class Solution {public : int Maxprofit (vector

This article mainly introduces the curl-based php stock information query class, and analyzes the related operation skills of php using curl to call the API interface to realize the stock information query function in the form of a complete instance, you can refer to the example in this article to describe the stock information query class implemented by php base

Stock trading tips: earning millions of assets in three sentences 　　 From: http://wei.sohu.com/20111106/n324685196.shtml Capture important information from the market from the main players first: the stock must have a set of judgment standards on the stock price level, even if some simple judgment standards are used, it does not matter, for example, I compare the

Thoughts on stock trading: 1. the trend theory is very important. In fact, we are waiting most of the time. We are waiting for a short warehouse on the way down, and we are waiting for a full warehouse on the way up. We can only start trading at the moment of the turn. The moving average can help us determine the trend, but if you don't understand or don't believe it, no one can save you. 2. The main force can lie to you on a daily basis, but it c

I. Concepts The golden division law, also known as the Golden rate, divides known line segments into two parts, so that some of them have a ratio equal to that of the other parts. The expert of Stock Technical Analysis references this law in the stock market, explores the level of stock price changes, and finds that the accuracy is not low, which is one of the m

Cash in Stock Market China Securities News reporter contacted Yang Bo (not his real name ). Yang is a senior investor in Wenzhou. He has invested in real estate for many years. Besides Wenzhou, he has multiple properties in his local area, involving residential buildings, shops and other properties. Two months ago, he sold four houses, more than 10 million yuan invested in the stock market, but this i

Here are three questions with maximum subarray, you can look at this question firstI)Say you has an array for which the i-th element is the price of a given-stock on day I.If you were-permitted-to-complete at most one transaction (ie, buy one and sell one share of the stock), design an AL Gorithm to find the maximum profit.The first, dynamic programming algorithm for this problem. State transfer equation F

Recently, when communicating with some headhunters, they referred to the concept of RSU, which was specifically searched for, and the difference between stock options and shares option was as follows:RSU and option are generally realized yearly, such as the offer letter signed three years, write to you 1000 shares, the first year can give you 25% the second year to 40%, the third year to 35%. RSU is the real stock