leetcode-problemset/leetcode-cn/originData/maximum-number-of-darts-inside-of-a-circular-dartboard.json

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            "title": "Maximum Number of Darts Inside of a Circular Dartboard",
            "titleSlug": "maximum-number-of-darts-inside-of-a-circular-dartboard",
            "content": "<p>Alice is throwing <code>n</code> darts on a very large wall. You are given an array <code>darts</code> where <code>darts[i] = [x<sub>i</sub>, y<sub>i</sub>]</code> is the position of the <code>i<sup>th</sup></code> dart that Alice threw on the wall.</p>\n\n<p>Bob knows the positions of the <code>n</code> darts on the wall. He wants to place a dartboard of radius <code>r</code> on the wall so that the maximum number of darts that Alice throws lie&nbsp;on the dartboard.</p>\n\n<p>Given the integer <code>r</code>, return <em>the maximum number of darts that can lie on the dartboard</em>.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/04/29/sample_1_1806.png\" style=\"width: 248px; height: 211px;\" />\n<pre>\n<strong>Input:</strong> darts = [[-2,0],[2,0],[0,2],[0,-2]], r = 2\n<strong>Output:</strong> 4\n<strong>Explanation:</strong> Circle dartboard with center in (0,0) and radius = 2 contain all points.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/04/29/sample_2_1806.png\" style=\"width: 306px; height: 244px;\" />\n<pre>\n<strong>Input:</strong> darts = [[-3,0],[3,0],[2,6],[5,4],[0,9],[7,8]], r = 5\n<strong>Output:</strong> 5\n<strong>Explanation:</strong> Circle dartboard with center in (0,4) and radius = 5 contain all points except the point (7,8).\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= darts.length &lt;= 100</code></li>\n\t<li><code>darts[i].length == 2</code></li>\n\t<li><code>-10<sup>4</sup> &lt;= x<sub>i</sub>, y<sub>i</sub> &lt;= 10<sup>4</sup></code></li>\n\t<li>All the <code>darts</code>&nbsp;are unique</li>\n\t<li><code>1 &lt;= r &lt;= 5000</code></li>\n</ul>\n",
            "translatedTitle": "圆形靶内的最大飞镖数量",
            "translatedContent": "<p>Alice 向一面非常大的墙上掷出 <code>n</code> 支飞镖。给你一个数组 <code>darts</code> ，其中 <code>darts[i] = [x<sub>i</sub>, y<sub>i</sub>]</code> 表示 Alice 掷出的第 <code>i</code> 支飞镖落在墙上的位置。</p>\n\n<p>Bob 知道墙上所有 <code>n</code> 支飞镖的位置。他想要往墙上放置一个半径为 <code>r</code> 的圆形靶。使 Alice 掷出的飞镖尽可能多地落在靶上。</p>\n\n<p>给你整数 <code>r</code> ，请返回能够落在 <strong>任意</strong> 半径为 <code>r</code> 的圆形靶内或靶上的最大飞镖数。</p>\n\n<p>&nbsp;</p>\n\n<p><strong class=\"example\">示例 1 ：</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/04/29/sample_1_1806.png\" style=\"width: 248px; height: 211px;\" />\n<pre>\n<strong>输入：</strong>darts = [[-2,0],[2,0],[0,2],[0,-2]], r = 2\n<strong>输出：</strong>4\n<strong>解释：</strong>如果圆形靶的圆心为 (0,0) ，半径为 2 ，所有的飞镖都落在靶上，此时落在靶上的飞镖数最大，值为 4 。\n</pre>\n\n<p><strong class=\"example\">示例 2 ：</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/04/29/sample_2_1806.png\" style=\"width: 306px; height: 244px;\" />\n<pre>\n<strong>输入：</strong>darts = [[-3,0],[3,0],[2,6],[5,4],[0,9],[7,8]], r = 5\n<strong>输出：</strong>5\n<strong>解释：</strong>如果圆形靶的圆心为 (0,4) ，半径为 5 ，则除了 (7,8) 之外的飞镖都落在靶上，此时落在靶上的飞镖数最大，值为 5 。\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= darts.length &lt;= 100</code></li>\n\t<li><code>darts[i].length == 2</code></li>\n\t<li><code>-10<sup>4</sup> &lt;= x<sub>i</sub>, y<sub>i</sub> &lt;= 10<sup>4</sup></code></li>\n\t<li><code>darts</code> 中的元素互不相同</li>\n\t<li><code>1 &lt;= r &lt;= 5000</code></li>\n</ul>\n",
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