buy = Math.max(sell - prices[i], pre_buy); sell = Math.max(pre_buy + prices[i], sell); } return sell; } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 第三题:https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/?tab=Description 在第...
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. 题解:简单的动态规划题。用prices存储每天的股票价格,dp[i]表示第i天的最大利润,minmum表示遍历到当前为止prices中最小的元素。 那么在第...
[LeetCode]Best Time to Buy and Sell Stock 题目:Best Time to Buy and Sell Stock 给定一个数组,数组中一个元素表示一天的股价,求一次交易能得到的最大收益。 思路: 数组可能是多个升序降序组成,只要能找到一组极值,使它们的差最大就可以了。 这样实际上就是每当找到一个极大值,就判断此时的到的差值是否...
309. Best Time to Buy and Sell Stock with Cooldown Say you have an array for which theith element is the price of a given stock on dayi. 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...
https://leetcode.com/problems/best-time-to-buy-and-sell-stock/leetcode.com/problems/best-time-to-buy-and-sell-stock/ 解题思路 1. 暴力 O(n2) 复杂度,超时 class Solution { public: int maxProfit(vector<int>& prices) { int maxVal = 0; int n = prices.size(); for(int i = 0; ...
Leetcode: Best Time to Buy and Sell Stock 题目: 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 ...
则当k > size / 2时,问题可以转化为:Best Time to Buy and Sell Stock II Python代码: classSolution:# @return an integer as the maximum profitdefmaxProfit(self, k, prices):size = len(prices)ifk > size /2:returnself.quickSolve(size, prices) ...
Best Time to Buy and Sell Stock 相对比较简单的方法是用DP,思路是对于每个i都求出从0到i区间内的最大获益,而对于i+1只需要比较第i+1天的价格和前i天最低价的关系,就可以直接求出0到i+1天区间内的最大获益。也就是说对0到i天的最大获益的计算复杂度是O(1),总体复杂度是O(n)。
Can you solve this real interview question? Best Time to Buy and Sell Stock - You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by choosing a single day to buy one stock and choo
Can you solve this real interview question? Best Time to Buy and Sell Stock III - You are given an array prices where prices[i] is the price of a given stock on the ith day. Find the maximum profit you can achieve. You may complete at most two transacti