leetcode-problemset/leetcode-cn/originData/best-time-to-buy-and-sell-stock-iv.json

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            "title": "Best Time to Buy and Sell Stock IV",
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            "content": "<p>You are given an integer array <code>prices</code> where <code>prices[i]</code> is the price of a given stock on the <code>i<sup>th</sup></code> day, and an integer <code>k</code>.</p>\n\n<p>Find the maximum profit you can achieve. You may complete at most <code>k</code> transactions: i.e. you may buy at most <code>k</code> times and sell at most <code>k</code> times.</p>\n\n<p><strong>Note:</strong> You may not engage in multiple transactions simultaneously (i.e., you must sell the stock before you buy again).</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> k = 2, prices = [2,4,1]\n<strong>Output:</strong> 2\n<strong>Explanation:</strong> Buy on day 1 (price = 2) and sell on day 2 (price = 4), profit = 4-2 = 2.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> k = 2, prices = [3,2,6,5,0,3]\n<strong>Output:</strong> 7\n<strong>Explanation:</strong> Buy on day 2 (price = 2) and sell on day 3 (price = 6), profit = 6-2 = 4. Then buy on day 5 (price = 0) and sell on day 6 (price = 3), profit = 3-0 = 3.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= k &lt;= 100</code></li>\n\t<li><code>1 &lt;= prices.length &lt;= 1000</code></li>\n\t<li><code>0 &lt;= prices[i] &lt;= 1000</code></li>\n</ul>\n",
            "translatedTitle": "买卖股票的最佳时机 IV",
            "translatedContent": "<p>给你一个整数数组&nbsp;<code>prices</code> 和一个整数 <code>k</code> ，其中 <code>prices[i]</code> 是某支给定的股票在第 <code>i</code><em> </em>天的价格。</p>\n\n<p>设计一个算法来计算你所能获取的最大利润。你最多可以完成 <code>k</code> 笔交易。也就是说，你最多可以买 <code>k</code> 次，卖 <code>k</code> 次。</p>\n\n<p><strong>注意：</strong>你不能同时参与多笔交易（你必须在再次购买前出售掉之前的股票）。</p>\n\n<p>&nbsp;</p>\n\n<p><strong class=\"example\">示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>k = 2, prices = [2,4,1]\n<strong>输出：</strong>2\n<strong>解释：</strong>在第 1 天 (股票价格 = 2) 的时候买入，在第 2 天 (股票价格 = 4) 的时候卖出，这笔交易所能获得利润 = 4-2 = 2 。</pre>\n\n<p><strong class=\"example\">示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>k = 2, prices = [3,2,6,5,0,3]\n<strong>输出：</strong>7\n<strong>解释：</strong>在第 2 天 (股票价格 = 2) 的时候买入，在第 3 天 (股票价格 = 6) 的时候卖出, 这笔交易所能获得利润 = 6-2 = 4 。\n     随后，在第 5 天 (股票价格 = 0) 的时候买入，在第 6 天 (股票价格 = 3) 的时候卖出, 这笔交易所能获得利润 = 3-0 = 3 。</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= k &lt;= 100</code></li>\n\t<li><code>1 &lt;= prices.length &lt;= 1000</code></li>\n\t<li><code>0 &lt;= prices[i] &lt;= 1000</code></li>\n</ul>\n",
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