问题: 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 maximum profit. You may complete at most two transactions. 依旧还是那个熟悉的味道,如果II是I的另一个版本,那么III就是他们的一个升级版. 在这个版本中只能交易两次,也就是买卖各两次,其它条…

问题: 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 maximum profit. You may complete as many transactions as you like (ie, buy one and sell one share of the stock multiple times)…

问题: Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock), design an algorithm to find the maximum profit.…

Best Time to Buy and Sell Stock IIIQuestion SolutionSay 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 maximum profit. You may complete at most two transactions. Note:You may not en…

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 maximum profit. You may complete at most two transactions. Note:You may not engage in multiple transactions at the same time (ie,…

将Best Time to Buy and Sell Stock的如下思路用到此题目 思路1:第i天买入,能赚到的最大利润是多少呢?就是i + 1 ~ n天中最大的股价减去第i天的. 思路2:第i天买出,能赚到的最大利润是多少呢?就是第i天的价格减去 0~ i-1天中最小的. 和前两道题比起来的话,这道题最难了,因为限制了交易次数.解决问题的途径我想出来的是:既然最多只能完成两笔交易,而且交易之间没有重叠,那么就divide and conquer.设i从0到n-1,那么针对每一个i,看看在pr…

[称号] 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 maximum profit. You may complete at most two transactions. Note: You may not engage in multiple transactions at the same time…

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. You may complete at most two transactions. Note: You may not engage in multiple transactions at the same time (ie…

原题地址:https://oj.leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/ 题意: 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 maximum profit. You may complete at most two transa…

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 maximum profit. You may complete at most two transactions. Note:You may not engage in multiple transactions at the same time (ie,…

Description: 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 maximum profit. You may complete at most two transactions. Note:You may not engage in multiple transactions at the sa…

http://oj.leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/ 这三道题,很好的进阶.1题简单处理,2题使用贪心,3题使用动态规划. 话说这叫一维动态规划,嗯.又复习了<算法导论>中和贪心以及动态规划有关的知识,记录如下: 动态规划的标志:最优子结构.子问题重叠. 1.找最优子结构       2.定义递归公示(列一个式子出来,并定义好这个式子到底是什么意思).       3.写自底向上或递归备忘录法. 比如本问题:f…

LeetCode:Best Time to Buy and Sell Stock Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock), design an a…

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 maximum profit. You may complete as many transactions as you like (ie, buy one and sell one share of the stock multiple times) wit…

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 maximum profit. You may complete at most k transactions. Note:You may not engage in multiple transactions at the same time (ie, yo…

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 maximum profit. You may complete as many transactions as you like (ie, buy one and sell one share of the stock multiple times). Ho…

Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock), design an algorithm to find the maximum profit. 这道题相…

原题链接在这里:https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv/ 题目: 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 maximum profit. You may complete at most k transacti…

@requires_authorization @author johnsondu @create_time 2015.7.22 19:04 @url [Best Time to Buy and Sell Stock III](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/) /************************ * @description: dynamic programming. * 从前后…

Your are given an array of integers prices, for which the i-th element is the price of a given stock on day i; and a non-negative integer fee representing a transaction fee. You may complete as many transactions as you like, but you need to pay the t…

Leetcode之动态规划(DP)专题-123. 买卖股票的最佳时机 III(Best Time to Buy and Sell Stock III) 股票问题: 121. 买卖股票的最佳时机 122. 买卖股票的最佳时机 II 123. 买卖股票的最佳时机 III 188. 买卖股票的最佳时机 IV 309. 最佳买卖股票时机含冷冻期 714. 买卖股票的最佳时机含手续费 给定一个数组,它的第 i 个元素是一支给定的股票在第 i 天的价格. 设计一个算法来计算你所能获取的最大利润.你最多可以完…

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 maximum profit. You may complete at most two transactions. 现在A股涨这么好,要是股票都提前知道价格就好了(@_@) 首先,考虑如…

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 maximum profit. You may complete at most two transactions. Note:You may not engage in multiple…

1. Best Time to Buy and Sell Stock 2. Best Time to Buy and Sell Stock II 3. Best Time to Buy and Sell Stock III 4. Best Time to Buy and Sell Stock IV 5. Best Time to Buy and Sell Stock with Cooldown 6. Best Time to Buy and Sell Stock with Transaction…

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 maximum profit. You may complete at most two transactions. Note: You may not engage in multiple transactions at the same time (i.e…

Question: Best Time to Buy and Sell Stock Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock), design an…

lc 123 Best Time to Buy and Sell Stock III 123 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 maximum profit. You may complete at most two tr…

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 maximum profit. You may complete at most two transactions. Note: You may not engage in multipl…

Best Time to Buy and Sell Stock (onlineJudge: https://oj.leetcode.com/problems/best-time-to-buy-and-sell-stock/) Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most on…

Best Time to Buy and Sell Stock I Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock), design an algorith…