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思路:要找一个最低价的时候买入,在最高价的时候卖出利润会最大。但是时间是不能冲突的,比如说在明天买入,今天卖出。因此,对于今天的价格,应该要找到今天之前的该股的最低价,买入,今天卖出。 其实就是要为序列中的一个元素A[k],找到另一个元素A[e],位置满足e<k,结果使得A[k]-A[e]最大。 用动态规划解...
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
LeetCode Best Time to Buy and Sell Stock 买卖股票的最佳时机 (DP),题意:给定一个序列,第i个元素代表第i天这支股票的价格,问在最佳时机买入和卖出能赚多少钱?只买一次,且仅1股,假设本钱无限。思路:要找一个最低价的时候买入,在最高价的时候卖出利润会最大。
Leetcode 121. 买卖股票的最佳时机(Dynamic Programming),Best Time to Buy and Sell Stock 旧瞳新梦 来自专栏 · Leetcode每日一题array篇 题目 给定一个数组 prices ,它的第 i 个元素 prices[i] 表示一支给定股票第 i 天的价格。 你只能选择 某一天 买入这只股票,并选择在 未来的某一个不同的...
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; ...
问题https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii/ 练习使用JavaScript解答 /** * @param {number[]} prices * @return {number} */ var maxProfit = function(prices) { if(prices.length < 2) return 0; ...
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
LeetCode 0121. Best Time to Buy and Sell Stock买卖股票的最佳时机【Easy】【Python】【贪心】 Problem LeetCode Say you have an array for which theith element is the price of a given stock on dayi. If you were only permitted to complete at most one transaction (i.e., buy one and sell...
LeetCode.jpg 121. 买卖股票的最佳时机 给定一个数组,它的第 i 个元素是一支给定股票第 i 天的价格。 如果你最多只允许完成一笔交易(即买入和卖出一支股票),设计一个算法来计算你所能获取的最大利润。 注意你不能在买入股票前卖出股票。 示例1: