} 题目:Best Time to Buy and Sell StockIV 这题不再是固定的两次,而是k次,其他相同; 很显然不能再分类讨论了,那么只能使用动态规划; 思路1: 做法和上面的类似,只是2变成了k,空间复杂度变成了O(kn); intLeetCode::maxProfit4(intk, vector<int>&prices){intlen =prices.size();if
publicintmaxProfit(int[] prices){if(prices ==null|| prices.length <=1) {return0; }intmaxProfit = Integer.MIN_VALUE;intbuyPrice = prices[0];for(inti=1; i < prices.length; i++) {if(prices[i] > buyPrice) { maxProfit = Math.max(maxProfit, prices[i]-buyPrice); }else{ buyPrice ...
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】43-best-time-to-buy-and-sell-stock-iv 力扣 188. 买卖股票的最佳时机 IV 【leetcode】44-best-time-to-buy-and-sell-stock-with-cooldown 力扣 309. 买卖股票的最佳时机包含冷冻期 【leetcode】45-best-time-to-buy-and-sell-stock-with-cooldown 力扣 714. 买卖股票的最佳时机包含手续费 ...
https://leetcode.com/problems/best-time-to-buy-and-sell-stock/解题思路1. 暴力 O(n^2) 复杂度,超时class Solution { public: int maxProfit(vector<int>& prices) { int maxVal = 0; int n = price…
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
https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii/ 这里f1[i],要这样理解,第i天是可以卖出的(包括第i天),肯定不是买入。for a particular i, 我们可以按照 I 题的办法,求得当前价格减去当前min的最大值求得f1[i]的值,但是我们如果对于不同的i都从头到尾scan一遍求得当前价格减去当...
https://leetcode.com/problems/best-time-to-buy-and-sell-stock/ 题目: th 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. ...
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...
Best Time to Buy and Sell Stock IV中是求某个给定k次交易的最大收益,和Maximum Subarray III完全一样 本题由于是可以操作任意次数,只为获得最大收益,而且对于一个上升子序列,比如:[5, 1, 2, 3, 4]中的1, 2, 3, 4序列来说,对于两种操作方案: 1 在1买入,4卖出 2 在1买入,2卖出同时买入,3卖出...