Leetcode-188-Best Time to Buy and Sell Stock IV 这道题是买卖股票问题的终极版,即给定一个数组表示各天的股价,给定k表示最多可以交易的次数(一次交易定义为buy+sell),各次交易之间不能交叉,问最大收益是多少。 这题可以使用动态规划求解。记 为在 天进行至多 次 次交易可以得到的最大收益。不难写出转移...
这种情况就不用再动态的递推了,直接累加即可。 1classSolution{2publicstaticintmaxProfit(intk,int[] prices) {3intnlen =prices.length;4if(nlen<=1)return0;5elseif(k>nlen/2) {6intres = 0;7for(inti = 1;i<nlen;i++)8if(prices[i]>prices[i-1])res+=(prices[i]-prices[i-1]);9ret...
买卖股票的最佳时机 IV(Best Time to Buy and Sell Stock IV) 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...
121. Best Time to Buy and Sell Stock 122. Best Time to Buy and Sell Stock II 123. Best Time to Buy and Sell Stock III 188. Best Time to Buy and Sell Stock IV 309. Best Time to Buy and Sell Stock with Cooldown 714. Best Time to Buy and Sell Stock with Transaction Fee 以上每个...
res+= prices[i] - prices[i -1]; } }returnres; } }; 本文转自博客园Grandyang的博客,原文链接:买卖股票的最佳时间之四[LeetCode] Best Time to Buy and Sell Stock IV,如需转载请自行联系原博主。
https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv/ 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. ...
Design an algorithm to find the maximum profit. You may complete at mostktransactions. Note: You may not engage in multiple transactions at the same time (ie, you must sell the stock before you buy again). Example 1: Input: [2,4,1], k = 2 ...
Best Time to Buy and Sell Stock系列 复杂度 O(N) 五、BestTimetoBuyandSellStockwithCooldown可以进行多次交易,但是这一天卖出去,需要冷静一天,再进行买卖。 https...-2]-prices[i]) 最终手里没股票。sell[n-1] 时间复杂度:O(N) 空间复杂度:O(N) 可以优化空间复杂度,因为sell,只与前一个有关,buy...
What are the best stocks to buy and watch? How can you improve your stock picks? When is the right time to buy a stock, and when is the optimal time to sell? The new IBD Stock Of The Day column helps you quickly and confidently answer those questions. ...
“This is giving us some of that space to be able to reinvest into our future and make sure we feel like we are really well positioned for the industry to start to rebound,” she said on a call with reporters. For this fiscal year, Best Buy anticipates revenue will range from $41.3...