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Best time to buy and buy stock Say you have an array for whichITh element is the price of a given stock on dayI. If you were only permitted to complete at mostOne Transaction(Ie, buy one and every one share of the stock), design an algorithm to find the maximum profit. // Time complexity O (N), auxiliary space O (1 ). Public int maxprofit (INT [] prices )

Say you have an array for whichITh element is the price of a given stock on dayI. If you were only permitted to complete at most one transaction (ie, buy one and every one share of the stock), design an algorithm to find the maximum profit. Answer public class Solution { public int maxProfit(int[] prices) { if(prices==null||prices.length Best time to buy and

POJ 1952 buy low, buy lower dp records data The longest descending subsequence is added to record the number of longest descending subsequences, and then deduplication is required. The most troublesome thing is to remove duplicates. The basic idea is: duplicate values are displayed in all cases, and then sub-sequences of the same length exist. Here, the sub-sequence of the DP Record ends with the current va

POJ 1952 buy low, buy lower dp record data, pojdp The longest descending subsequence is added to record the number of longest descending subsequences, and then deduplication is required. The most troublesome thing is to remove duplicates. The basic idea is: duplicate values are displayed in all cases, and then sub-sequences of the same length exist. Here, the sub-sequence of the DP Record ends with the curr

It is also a simple Minimum Spanning Tree Algorithm. However, some new things need to be added, which requires a deep understanding of the Minimum Spanning Tree Algorithm and the use of the query set. The solution to the problem is also complicated. #include The subset enumeration algorithm is required for the given solutions. In the preceding solution, the binary help subset enumeration method is used, which is only applicable to the subset enumeration algorithm with small set elements. The a

If she had no class today, she would accompany Huang Bo to guicheng to help Tom with things. At this time, she did not know what the situation was like. In the car, I accidentally saw a "jetant" Bicycle monopoly, and told Huang Bo that he liked all the people who went to Singapore. recently he was quite depressed. Haha, I want to learn from him. The Moho in guicheng is really tnnd expensive, and it costs 3 yuan for two kilometers. How can I not step on a bicycle ?! When I came back, I went th

The longest descending subsequence is added to record the number of longest descending subsequences, and then deduplication is required. The most troublesome thing is to remove duplicates. The basic idea is: duplicate values are displayed in all cases, and then sub-sequences of the same length exist. Here, the sub-sequence of the DP Record ends with the current value, and you must select the longest descending subsequence of this value, then you need to subtract the subsequence that already exis

December 6, 2014, China Railway Corporation released a message that the train ticket pre-sale period from 20 days to 60 days. The last two days of the 2016 Spring Festival holiday, February 12, 13th will be the peak of the Spring Festival travel, and the corresponding purchase time should be December 15, 16th. But because the first day of February 14 's New Year's Eve coincides with Western Valentine's Day, it is likely to usher in a second wave of rush tickets this week. From the above, we

1, in the mobile phone we enter to pay the Treasure purse interface Click the "service Window", as shown in the following figure: 2, in the service interface we find "Tianhong fund" click it into, if not we can click the search "Tianhong fund" into the: 3, after we click on "Tianhong fund" will be entered into the "Tianhong fund", and then click on the following buy funds, as shown in the following picture: 4, after we enter to

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Say you have an array for whichITh element is the price of a given stock on dayI. Design an algorithm to find the maximum profit. You may complete at most two transactions. Note: You may not engage in multiple transactions at the same time (ie, you must encrypt the stock before you buy again ). Idea: Use the idea of Dynamic Planning: traverse the array from front to back and from back to back, respectively, find the maximum profits in the range a [0]-

Say you have an array for whichITh element is the price of a given stock on dayI. Design an algorithm to find the maximum profit. You may complete at mostTwoTransactions. Note:You may not engage in multiple transactions at the same time (ie, you must encrypt the stock before you buy again ). Problem: DP Scan the array from the past to the next, and use lefttoright [I] to record (0, I) to get the maximum profit; Scan the array from the back and forth

1, Baidu Wallet main interface will see a "movie" option, open; 2, into the "film", we use the fingers to slide around, find the film, and then click on "Film", Into the "Baidu glutinous Rice film" page, choose to watch the film; 3, click the "buy tickets" effect is as follows; 4, on this page, click on the "Choose seat purchase Ticket"; 5, select the time of the movie and then click "Cinema", enter

When you have completed the Securities Account card and fund account, open the door of the securities Business Department, see the display screen of the constant flashing stock quotes, perhaps you do not know how to buy and sell stocks. So, let me give you a further introduction. In fact, as a shareholder, you can not directly enter the stock Exchange to buy and sell shares, but only through the stock Excha

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With the advent of summer vacation, will be entering the University of graduates, we are ready to buy a favorite books, of course, the purchase of notebook is a headache, small part is from this age. So today I would like to share my 2015 summer notebook purchase experience, teach you how to choose the right notebook computer. If you have been to the science and technology hypermarkets, I feel once into the supermarket, the head is completely bl

Recently saw some design patterns of the article, I also have some ideas. Is the company is a love travel company, inevitably to buy a lot of train tickets. The process of buying a ticket has been changing. At first, everyone bought their own train tickets and reimbursed them when they returned to the company. Just like this:public class Atfirst {public static void main (string[] args) { employeeabuy. Abuy (); Reimbursement

When investors buy shares, there are generally two things: Rise or fall. For the former, as long as the sale can be profitable; for the latter, there are two main methods of coping: One is stop, and the other is the margin. Because of the different ideas and methods, the investors choose the strategy is not the same, some prefer to use the former method of operation, and some good at using the post-law trading. What we have used more is the latter-the

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