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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. You could complete as many transactions as (ie, buy one and sell one share of the stock multiple times). However, engage in multiple transactions for the same time (ie, you must sell the stock before you buy again).Greedy + recurs

The price-to-earnings ratio or benefit-to-earnings ratio is the ratio of the stock market price to earnings per share. The formula is as follows: Price-earnings ratio: current market price per share/post-tax profit per share Price-to-earnings ratio is an important indicator to measure the stock price and enterprise profitability. Because the price-to-earnings ratio combines the

best time to Buy and Sell Stock IIQuestion SolutionSay you had an array for which the ith element was the price of a given stock on day I.Design an algorithm to find the maximum profit. You could complete as many transactions as (ie, buy one and sell one share of the stock multiple times). However, engage in multiple transactions for the same time (ie, you must s

On the eve of the fall in stock prices, the market will always send some warning signals, which are often ignored. 1. The share price falls below the 60-day moving average, which generally means the beginning of a round of intermediate market decline. At this time, the stock price should be phased out. If the share price falls below the 120-and-half-year line and the 250-and--year line, it often means th

2119: Stock Market Forecast Time limit:10 Sec Memory limit:259 MBsubmit:331 solved:153[Submit] [Status] [Discuss] DescriptionInk's mother Love stocks, she asked ink for her to write a software to predict the future trend of a stock. Stock Line chart is a necessary tool to study stock, it shows the trend of

LeetCode 121 Best Time to Buy and Buy Stock resolution (the Best Time to Buy and Sell stocks)Translation In other words, you have an array where the I-th element indicates the stock price on the I-th day. If you are only allowed to trade at most once (for example, buy and sell a stock), design an algorithm and find the maximum profit. Original Say you have an arr

Today, big data boss gave me a task-grabbing stock history data. As a wget, I looked for it on the Internet and found that it was really a very powerful Linux download tool. I have been deeply shocked. The following is a description of some of today's processes, or more bumpy.First, I use the company's existing stock data to query all stock codes and import them

Topic: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).test instructions and analysis: give an array, representing the price of a stock i

Tushare is a free, open source Python financial data interface package. The main realization of the stock and other financial data from data collection, the process of cleaning and processing to data storage can provide financial analysts with fast, tidy, and diverse data for easy analysis, greatly reducing their workload in terms of data sources, and making them more focused on the research and implementation of strategies and models. Considering the

The recent study of stock data back-test (in fact, want to do quantitative trading), but can provide data directly to the API is not very stable (tushare timeout, Yahoo to repair to use, also not very stable) #雅虎股票数据API的修复包 from pandas_datareader import data as PDR Finally, I intend to study the Python crawler, I have heard of the name of the Py reptile, and tried the next I think OK. Import requests from BS4 import BeautifulSoup import re #步骤1: G

The vulnerability was discovered by the penetration of a website. Since discuz version is 7.0, I have to focus on the third-party plug-ins it has installed. After a simple test, we found the injection vulnerability in virtual stock market:Http://www.target.com/plugin.php... _ One stockid = 91 #91 is Variable ParameterHttp://www.target.com/plugin.php... ser_Show uid = 13 #13 is Variable Parameter After the injection is confirmed, try to use order by

Stock Time limit: 2 Seconds Memory Limit: 65536 KB Optiver sponsored problem.After years of hard work Optiver have developed a mathematical model that allows them to predict wether or not a company WI ll be succesful. This obviously gives them a great advantage on the stock market.In the past, Optiver made a deal with a big company, which forces them to buy shares of the company a

"Now, only a loss of thousands of dollars are embarrassed to walk on the tin platform." "The stock market plunged, shareholders wry smile. The stock market's 5,000-point cheer is still in the ear, last week the stock market experienced the biggest single-week decline in seven years, last Friday, more than thousands shares fell, a a-share market value evaporated 9

Some friends want to fry U.S. stocks in China , but are worried that from opening to trading to extracting the money they make are online operations, will there be risks?It is normal and proper to have such worries. As the saying goes, "investment risk, the market need to be cautious," before the investment, examine clearly, more than a few questions, always better than regret afterwards.In fact, as long as the choice of good U.S. stock brokers, in th

1. There will be no major drop if there is no major increase 2. There may not be sharp increases or adjustments. 3. The stock that has never been surging will surge one day, even if it is waiting for several years. 4. After being calm, it may be calm or soaring, but it will not be a big drop. 5. Weekend, mostly down at the end of the month There are a lot of people involved in starting a stock market

Private stock management system stocktip Stocktip function description: Raw data of the stock account can be input; You can enter the closing price (highest, lowest, close, transaction volume, and turnover rate) of the stock on the current day, and the turnover (purchase price, cost price, and quantity) of the current day ), you can enter

Two sensitive messages were published over the weekend. Let's take a look: 1. margin financing and securities lending. This message looks pretty, but it is useless. As a brokerage, there are basically no funds and coupons available for financing, that is, a minority of brokers have a small amount of funds, and the brokers basically do not provide financial services to customers. As an institutional customer, it is not easy to finance the usury of securities firms, because there is no profit mode

The recent stock is a hot topic, believe that investors from all walks of life to the stock in this respect, many users will be in their own computer installed stock software, such as easy to raise cattle every day king, Big Wisdom Classic version, Shanghai early know, and flush and so on stock market software, in the

best time to Buy and Sell Stock IISay 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 could complete as many transactions as (ie, buy one and sell one share of the stock multiple times). However, engage in multiple transactions for the same time (ie, you must sell the

Recently, I have been busy developing applications that simulate stock trading. The first consideration is how to obtain stock data information. Later, I Googled it on Google and found that I relied on Sina's stock information interface. In the test Recently, I have been busy developing applications that simulate stock