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{
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"question": {
"questionId": "100096",
"questionFrontendId": "LCP 03",
"categoryTitle": "Algorithms",
"boundTopicId": 23589,
"title": "Programmable Robot",
"titleSlug": "programmable-robot",
"content": "<p>English description is not available. Please switch to Chinese.</p>\r\n",
"translatedTitle": "机器人大冒险",
"translatedContent": "<p>力扣团队买了一个可编程机器人,机器人初始位置在原点<code>(0, 0)</code>。小伙伴事先给机器人输入一串指令<code>command</code>,机器人就会<strong>无限循环</strong>这条指令的步骤进行移动。指令有两种:</p>\n\n<ol>\n\t<li><code>U</code>: 向<code>y</code>轴正方向移动一格</li>\n\t<li><code>R</code>: 向<code>x</code>轴正方向移动一格。</li>\n</ol>\n\n<p>不幸的是,在 xy 平面上还有一些障碍物,他们的坐标用<code>obstacles</code>表示。机器人一旦碰到障碍物就会被<strong>损毁</strong>。</p>\n\n<p>给定终点坐标<code>(x, y)</code>,返回机器人能否<strong>完好</strong>地到达终点。如果能,返回<code>true</code>;否则返回<code>false</code>。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1</strong></p>\n\n<pre><strong>输入:</strong>command = &quot;URR&quot;, obstacles = [], x = 3, y = 2\n<strong>输出:</strong>true\n<strong>解释:</strong>U(0, 1) -&gt; R(1, 1) -&gt; R(2, 1) -&gt; U(2, 2) -&gt; R(3, 2)。</pre>\n\n<p><strong>示例 2</strong></p>\n\n<pre><strong>输入:</strong>command = &quot;URR&quot;, obstacles = [[2, 2]], x = 3, y = 2\n<strong>输出:</strong>false\n<strong>解释:</strong>机器人在到达终点前会碰到(2, 2)的障碍物。</pre>\n\n<p><strong>示例 3</strong></p>\n\n<pre><strong>输入:</strong>command = &quot;URR&quot;, obstacles = [[4, 2]], x = 3, y = 2\n<strong>输出:</strong>true\n<strong>解释:</strong>到达终点后,再碰到障碍物也不影响返回结果。</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>限制:</strong></p>\n\n<ol>\n\t<li><code>2 &lt;= command的长度 &lt;= 1000</code></li>\n\t<li><code>command</code>由<code>UR</code>构成,且至少有一个<code>U</code>,至少有一个<code>R</code></li>\n\t<li><code>0 &lt;= x &lt;= 1e9, 0 &lt;= y &lt;= 1e9</code></li>\n\t<li><code>0 &lt;= obstacles的长度 &lt;= 1000</code></li>\n\t<li><code>obstacles[i]</code>不为原点或者终点</li>\n</ol>\n",
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"code": "class Solution {\npublic:\n bool robot(string command, vector<vector<int>>& obstacles, int x, int y) {\n\n }\n};",
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