leetcode-problemset/leetcode-cn/originData/robot-collisions.json

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        "question": {
            "questionId": "2846",
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            "title": "Robot Collisions",
            "titleSlug": "robot-collisions",
            "content": "<p>There are <code>n</code> <strong>1-indexed</strong> robots, each having a position on a line, health, and movement direction.</p>\n\n<p>You are given <strong>0-indexed</strong> integer arrays <code>positions</code>, <code>healths</code>, and a string <code>directions</code> (<code>directions[i]</code> is either <strong>&#39;L&#39;</strong> for <strong>left</strong> or <strong>&#39;R&#39;</strong> for <strong>right</strong>). All integers in <code>positions</code> are <strong>unique</strong>.</p>\n\n<p>All robots start moving on the line<strong> simultaneously</strong> at the <strong>same speed </strong>in their given directions. If two robots ever share the same position while moving, they will <strong>collide</strong>.</p>\n\n<p>If two robots collide, the robot with <strong>lower health</strong> is <strong>removed</strong> from the line, and the health of the other robot <strong>decreases</strong> <strong>by one</strong>. The surviving robot continues in the <strong>same</strong> direction it was going. If both robots have the <strong>same</strong> health, they are both<strong> </strong>removed from the line.</p>\n\n<p>Your task is to determine the <strong>health</strong> of the robots that survive the collisions, in the same <strong>order </strong>that the robots were given,<strong> </strong>i.e. final heath of robot 1 (if survived), final health of robot 2 (if survived), and so on. If there are no survivors, return an empty array.</p>\n\n<p>Return <em>an array containing the health of the remaining robots (in the order they were given in the input), after no further collisions can occur.</em></p>\n\n<p><strong>Note:</strong> The positions may be unsorted.</p>\n\n<div class=\"notranslate\" style=\"all: initial;\">&nbsp;</div>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<p><img height=\"169\" src=\"https://assets.leetcode.com/uploads/2023/05/15/image-20230516011718-12.png\" width=\"808\" /></p>\n\n<pre>\n<strong>Input:</strong> positions = [5,4,3,2,1], healths = [2,17,9,15,10], directions = &quot;RRRRR&quot;\n<strong>Output:</strong> [2,17,9,15,10]\n<strong>Explanation:</strong> No collision occurs in this example, since all robots are moving in the same direction. So, the health of the robots in order from the first robot is returned, [2, 17, 9, 15, 10].\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<p><img height=\"176\" src=\"https://assets.leetcode.com/uploads/2023/05/15/image-20230516004433-7.png\" width=\"717\" /></p>\n\n<pre>\n<strong>Input:</strong> positions = [3,5,2,6], healths = [10,10,15,12], directions = &quot;RLRL&quot;\n<strong>Output:</strong> [14]\n<strong>Explanation:</strong> There are 2 collisions in this example. Firstly, robot 1 and robot 2 will collide, and since both have the same health, they will be removed from the line. Next, robot 3 and robot 4 will collide and since robot 4&#39;s health is smaller, it gets removed, and robot 3&#39;s health becomes 15 - 1 = 14. Only robot 3 remains, so we return [14].\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<p><img height=\"172\" src=\"https://assets.leetcode.com/uploads/2023/05/15/image-20230516005114-9.png\" width=\"732\" /></p>\n\n<pre>\n<strong>Input:</strong> positions = [1,2,5,6], healths = [10,10,11,11], directions = &quot;RLRL&quot;\n<strong>Output:</strong> []\n<strong>Explanation:</strong> Robot 1 and robot 2 will collide and since both have the same health, they are both removed. Robot 3 and 4 will collide and since both have the same health, they are both removed. So, we return an empty array, [].</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= positions.length == healths.length == directions.length == n &lt;= 10<sup>5</sup></code></li>\n\t<li><code>1 &lt;= positions[i], healths[i] &lt;= 10<sup>9</sup></code></li>\n\t<li><code>directions[i] == &#39;L&#39;</code> or <code>directions[i] == &#39;R&#39;</code></li>\n\t<li>All values in <code>positions</code> are distinct</li>\n</ul>\n",
            "translatedTitle": "机器人碰撞",
            "translatedContent": "<p>现有 <code>n</code> 个机器人，编号从 <strong>1</strong> 开始，每个机器人包含在路线上的位置、健康度和移动方向。</p>\n\n<p>给你下标从 <strong>0</strong> 开始的两个整数数组 <code>positions</code>、<code>healths</code> 和一个字符串 <code>directions</code>（<code>directions[i]</code> 为 <strong>'L'</strong> 表示 <strong>向左</strong> 或 <strong>'R'</strong> 表示 <strong>向右</strong>）。 <code>positions</code> 中的所有整数 <strong>互不相同</strong> 。</p>\n\n<p>所有机器人以 <strong>相同速度</strong> <strong>同时</strong> 沿给定方向在路线上移动。如果两个机器人移动到相同位置，则会发生 <strong>碰撞</strong> 。</p>\n\n<p>如果两个机器人发生碰撞，则将 <strong>健康度较低</strong> 的机器人从路线中 <strong>移除</strong> ，并且另一个机器人的健康度 <strong>减少 1</strong> 。幸存下来的机器人将会继续沿着与之前 <strong>相同</strong> 的方向前进。如果两个机器人的健康度相同，则将二者都从路线中移除。</p>\n\n<p>请你确定全部碰撞后幸存下的所有机器人的 <strong>健康度</strong> ，并按照原来机器人编号的顺序排列。即机器人 1 （如果幸存）的最终健康度，机器人 2 （如果幸存）的最终健康度等。 如果不存在幸存的机器人，则返回空数组。</p>\n\n<p>在不再发生任何碰撞后，请你以数组形式，返回所有剩余机器人的健康度（按机器人输入中的编号顺序）。</p>\n\n<p><strong>注意：</strong>位置&nbsp; <code>positions</code> 可能是乱序的。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<p><img height=\"169\" src=\"https://assets.leetcode.com/uploads/2023/05/15/image-20230516011718-12.png\" width=\"808\" /></p>\n\n<pre>\n<strong>输入：</strong>positions = [5,4,3,2,1], healths = [2,17,9,15,10], directions = \"RRRRR\"\n<strong>输出：</strong>[2,17,9,15,10]\n<strong>解释：</strong>在本例中不存在碰撞，因为所有机器人向同一方向移动。所以，从第一个机器人开始依序返回健康度，[2, 17, 9, 15, 10] 。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<p><img height=\"176\" src=\"https://assets.leetcode.com/uploads/2023/05/15/image-20230516004433-7.png\" width=\"717\" /></p>\n\n<pre>\n<strong>输入：</strong>positions = [3,5,2,6], healths = [10,10,15,12], directions = \"RLRL\"\n<strong>输出：</strong>[14]\n<strong>解释：</strong>本例中发生 2 次碰撞。首先，机器人 1 和机器人 2 将会碰撞，因为二者健康度相同，二者都将被从路线中移除。接下来，机器人 3 和机器人 4 将会发生碰撞，由于机器人 4 的健康度更小，则它会被移除，而机器人 3 的健康度变为 15 - 1 = 14 。仅剩机器人 3 ，所以返回 [14] 。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<p><img height=\"172\" src=\"https://assets.leetcode.com/uploads/2023/05/15/image-20230516005114-9.png\" width=\"732\" /></p>\n\n<pre>\n<strong>输入：</strong>positions = [1,2,5,6], healths = [10,10,11,11], directions = \"RLRL\"\n<strong>输出：</strong>[]\n<strong>解释：</strong>机器人 1 和机器人 2 将会碰撞，因为二者健康度相同，二者都将被从路线中移除。机器人 3 和机器人 4 将会碰撞，因为二者健康度相同，二者都将被从路线中移除。所以返回空数组 [] 。</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= positions.length == healths.length == directions.length == n &lt;= 10<sup>5</sup></code></li>\n\t<li><code>1 &lt;= positions[i], healths[i] &lt;= 10<sup>9</sup></code></li>\n\t<li><code>directions[i] == 'L'</code> 或 <code>directions[i] == 'R'</code></li>\n\t<li><code>positions</code> 中的所有值互不相同</li>\n</ul>\n",
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