leetcode-problemset/leetcode-cn/originData/calculate-amount-paid-in-taxes.json

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        "question": {
            "questionId": "1382",
            "questionFrontendId": "2303",
            "categoryTitle": "Algorithms",
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            "title": "Calculate Amount Paid in Taxes",
            "titleSlug": "calculate-amount-paid-in-taxes",
            "content": "<p>You are given a <strong>0-indexed</strong> 2D integer array <code>brackets</code> where <code>brackets[i] = [upper<sub>i</sub>, percent<sub>i</sub>]</code> means that the <code>i<sup>th</sup></code> tax bracket has an upper bound of <code>upper<sub>i</sub></code> and is taxed at a rate of <code>percent<sub>i</sub></code>. The brackets are <strong>sorted</strong> by upper bound (i.e. <code>upper<sub>i-1</sub> &lt; upper<sub>i</sub></code> for <code>0 &lt; i &lt; brackets.length</code>).</p>\n\n<p>Tax is calculated as follows:</p>\n\n<ul>\n\t<li>The first <code>upper<sub>0</sub></code> dollars earned are taxed at a rate of <code>percent<sub>0</sub></code>.</li>\n\t<li>The next <code>upper<sub>1</sub> - upper<sub>0</sub></code> dollars earned are taxed at a rate of <code>percent<sub>1</sub></code>.</li>\n\t<li>The next <code>upper<sub>2</sub> - upper<sub>1</sub></code> dollars earned are taxed at a rate of <code>percent<sub>2</sub></code>.</li>\n\t<li>And so on.</li>\n</ul>\n\n<p>You are given an integer <code>income</code> representing the amount of money you earned. Return <em>the amount of money that you have to pay in taxes.</em> Answers within <code>10<sup>-5</sup></code> of the actual answer will be accepted.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> brackets = [[3,50],[7,10],[12,25]], income = 10\n<strong>Output:</strong> 2.65000\n<strong>Explanation:</strong>\nBased on your income, you have 3 dollars in the 1<sup>st</sup> tax bracket, 4 dollars in the 2<sup>nd</sup> tax bracket, and 3 dollars in the 3<sup>rd</sup> tax bracket.\nThe tax rate for the three tax brackets is 50%, 10%, and 25%, respectively.\nIn total, you pay $3 * 50% + $4 * 10% + $3 * 25% = $2.65 in taxes.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> brackets = [[1,0],[4,25],[5,50]], income = 2\n<strong>Output:</strong> 0.25000\n<strong>Explanation:</strong>\nBased on your income, you have 1 dollar in the 1<sup>st</sup> tax bracket and 1 dollar in the 2<sup>nd</sup> tax bracket.\nThe tax rate for the two tax brackets is 0% and 25%, respectively.\nIn total, you pay $1 * 0% + $1 * 25% = $0.25 in taxes.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> brackets = [[2,50]], income = 0\n<strong>Output:</strong> 0.00000\n<strong>Explanation:</strong>\nYou have no income to tax, so you have to pay a total of $0 in taxes.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= brackets.length &lt;= 100</code></li>\n\t<li><code>1 &lt;= upper<sub>i</sub> &lt;= 1000</code></li>\n\t<li><code>0 &lt;= percent<sub>i</sub> &lt;= 100</code></li>\n\t<li><code>0 &lt;= income &lt;= 1000</code></li>\n\t<li><code>upper<sub>i</sub></code> is sorted in ascending order.</li>\n\t<li>All the values of <code>upper<sub>i</sub></code> are <strong>unique</strong>.</li>\n\t<li>The upper bound of the last tax bracket is greater than or equal to <code>income</code>.</li>\n</ul>\n",
            "translatedTitle": "计算应缴税款总额",
            "translatedContent": "<p>给你一个下标从 <strong>0</strong> 开始的二维整数数组 <code>brackets</code> ，其中 <code>brackets[i] = [upper<sub>i</sub>, percent<sub>i</sub>]</code> ，表示第 <code>i</code> 个税级的上限是 <code>upper<sub>i</sub></code> ，征收的税率为 <code>percent<sub>i</sub></code> 。税级按上限 <strong>从低到高排序</strong>（在满足 <code>0 &lt; i &lt; brackets.length</code> 的前提下，<code>upper<sub>i-1</sub> &lt; upper<sub>i</sub></code>）。</p>\n\n<p>税款计算方式如下：</p>\n\n<ul>\n\t<li>不超过 <code>upper<sub>0</sub></code> 的收入按税率 <code>percent<sub>0</sub></code> 缴纳</li>\n\t<li>接着 <code>upper<sub>1</sub> - upper<sub>0</sub></code> 的部分按税率 <code>percent<sub>1</sub></code> 缴纳</li>\n\t<li>然后 <code>upper<sub>2</sub> - upper<sub>1</sub></code> 的部分按税率 <code>percent<sub>2</sub></code> 缴纳</li>\n\t<li>以此类推</li>\n</ul>\n\n<p>给你一个整数 <code>income</code> 表示你的总收入。返回你需要缴纳的税款总额。与标准答案误差不超 <code>10<sup>-5</sup></code> 的结果将被视作正确答案。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre><strong>输入：</strong>brackets = [[3,50],[7,10],[12,25]], income = 10\n<strong>输出：</strong>2.65000\n<strong>解释：</strong>\n前 $3 的税率为 50% 。需要支付税款 $3 * 50% = $1.50 。\n接下来 $7 - $3 = $4 的税率为 10% 。需要支付税款 $4 * 10% = $0.40 。\n最后 $10 - $7 = $3 的税率为 25% 。需要支付税款 $3 * 25% = $0.75 。\n需要支付的税款总计 $1.50 + $0.40 + $0.75 = $2.65 。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre><strong>输入：</strong>brackets = [[1,0],[4,25],[5,50]], income = 2\n<strong>输出：</strong>0.25000\n<strong>解释：</strong>\n前 $1 的税率为 0% 。需要支付税款 $1 * 0% = $0 。\n剩下 $1 的税率为 25% 。需要支付税款 $1 * 25% = $0.25 。\n需要支付的税款总计 $0 + $0.25 = $0.25 。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre><strong>输入：</strong>brackets = [[2,50]], income = 0\n<strong>输出：</strong>0.00000\n<strong>解释：</strong>\n没有收入，无需纳税，需要支付的税款总计 $0 。\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= brackets.length &lt;= 100</code></li>\n\t<li><code>1 &lt;= upper<sub>i</sub> &lt;= 1000</code></li>\n\t<li><code>0 &lt;= percent<sub>i</sub> &lt;= 100</code></li>\n\t<li><code>0 &lt;= income &lt;= 1000</code></li>\n\t<li><code>upper<sub>i</sub></code> 按递增顺序排列</li>\n\t<li><code>upper<sub>i</sub></code> 中的所有值 <strong>互不相同</strong></li>\n\t<li>最后一个税级的上限大于等于 <code>income</code></li>\n</ul>\n",
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                    "code": "class Solution {\npublic:\n    double calculateTax(vector<vector<int>>& brackets, int income) {\n        \n    }\n};",
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