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"question": {
"questionId": "1000268",
"questionFrontendId": "剑指 Offer II 091",
"categoryTitle": "LCOF2",
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"title": "粉刷房子",
"titleSlug": "JEj789",
"content": "<p>English description is not available for the problem. Please switch to Chinese.</p>\n",
"translatedTitle": "粉刷房子",
"translatedContent": "<p>假如有一排房子,共 <code>n</code> 个,每个房子可以被粉刷成红色、蓝色或者绿色这三种颜色中的一种,你需要粉刷所有的房子并且使其相邻的两个房子颜色不能相同。</p>\n\n<p>当然,因为市场上不同颜色油漆的价格不同,所以房子粉刷成不同颜色的花费成本也是不同的。每个房子粉刷成不同颜色的花费是以一个&nbsp;<code>n x 3</code><em>&nbsp;</em>的正整数矩阵 <code>costs</code> 来表示的。</p>\n\n<p>例如,<code>costs[0][0]</code> 表示第 0 号房子粉刷成红色的成本花费;<code>costs[1][2]</code>&nbsp;表示第 1 号房子粉刷成绿色的花费,以此类推。</p>\n\n<p>请计算出粉刷完所有房子最少的花费成本。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1</strong></p>\n\n<pre>\n<strong>输入: </strong>costs = [[17,2,17],[16,16,5],[14,3,19]]\n<strong>输出: </strong>10\n<strong>解释: </strong>将 0 号房子粉刷成蓝色1 号房子粉刷成绿色2 号房子粉刷成蓝色<strong>。</strong>\n&nbsp; 最少花费: 2 + 5 + 3 = 10。\n</pre>\n\n<p><strong>示例 2</strong></p>\n\n<pre>\n<strong>输入: </strong>costs = [[7,6,2]]\n<strong>输出: 2</strong>\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>costs.length == n</code></li>\n\t<li><code>costs[i].length == 3</code></li>\n\t<li><code>1 &lt;= n &lt;= 100</code></li>\n\t<li><code>1 &lt;= costs[i][j] &lt;= 20</code></li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><meta charset=\"UTF-8\" />注意:本题与主站 256&nbsp;题相同:<a href=\"https://leetcode-cn.com/problems/paint-house/\">https://leetcode-cn.com/problems/paint-house/</a></p>\n",
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