update

leetcode-cn/originData/capital-gainloss.json

@@ -12,12 +12,12 @@
             "translatedContent": "<p><code>Stocks</code>&nbsp;表：</p>\n\n<pre>\n+---------------+---------+\n| Column Name   | Type    |\n+---------------+---------+\n| stock_name    | varchar |\n| operation     | enum    |\n| operation_day | int     |\n| price         | int     |\n+---------------+---------+\n(stock_name, operation_day) 是这张表的主键(具有唯一值的列的组合)\noperation 列使用的是一种枚举类型，包括：('Sell','Buy')\n此表的每一行代表了名为 stock_name 的某支股票在 operation_day 这一天的操作价格。\n此表可以保证，股票的每个“卖出”操作在前某一天都有相应的“买入”操作。并且，股票的每个“买入”操作在即将到来的某一天都有相应的“卖出”操作。\n</pre>\n\n<p>&nbsp;</p>\n\n<p>编写解决方案报告每只股票的 <strong>资本损益</strong>。</p>\n\n<p>股票的&nbsp;<strong>资本利得/损失&nbsp;</strong>是指一次或多次买卖该股票后的总收益或损失。</p>\n\n<p>以 <strong>任意顺序</strong> 返回结果表。</p>\n\n<p>结果格式如下所示。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<code><strong>输入：</strong>\nStocks</code> 表:\n+---------------+-----------+---------------+--------+\n| stock_name    | operation | operation_day | price  |\n+---------------+-----------+---------------+--------+\n| Leetcode      | Buy       | 1             | 1000   |\n| Corona Masks  | Buy       | 2             | 10     |\n| Leetcode      | Sell      | 5             | 9000   |\n| Handbags      | Buy       | 17            | 30000  |\n| Corona Masks  | Sell      | 3             | 1010   |\n| Corona Masks  | Buy       | 4             | 1000   |\n| Corona Masks  | Sell      | 5             | 500    |\n| Corona Masks  | Buy       | 6             | 1000   |\n| Handbags      | Sell      | 29            | 7000   |\n| Corona Masks  | Sell      | 10            | 10000  |\n+---------------+-----------+---------------+--------+\n<strong>输出：</strong>\n+---------------+-------------------+\n| stock_name    | capital_gain_loss |\n+---------------+-------------------+\n| Corona Masks  | 9500              |\n| Leetcode      | 8000              |\n| Handbags      | -23000            |\n+---------------+-------------------+\n<strong>解释：</strong>\nLeetcode 股票在第一天以1000美元的价格买入，在第五天以9000美元的价格卖出。资本收益=9000-1000=8000美元。\nHandbags 股票在第17天以30000美元的价格买入，在第29天以7000美元的价格卖出。资本损失=7000-30000=-23000美元。\nCorona Masks 股票在第1天以10美元的价格买入，在第3天以1010美元的价格卖出。在第4天以1000美元的价格再次购买，在第5天以500美元的价格出售。最后，它在第6天以1000美元的价格被买走，在第10天以10000美元的价格被卖掉。资本损益是每次（’Buy'-&gt;'Sell'）操作资本收益或损失的和=（1010-10）+（500-1000）+（10000-1000）=1000-500+9000=9500美元。\n</pre>\n",
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