leetcode-problemset/leetcode-cn/originData/delete-columns-to-make-sorted.json

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            "questionFrontendId": "944",
            "categoryTitle": "Algorithms",
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            "title": "Delete Columns to Make Sorted",
            "titleSlug": "delete-columns-to-make-sorted",
            "content": "<p>You are given an array of <code>n</code> strings <code>strs</code>, all of the same length.</p>\n\n<p>The strings can be arranged such that there is one on each line, making a grid.</p>\n\n<ul>\n\t<li>For example, <code>strs = [&quot;abc&quot;, &quot;bce&quot;, &quot;cae&quot;]</code> can be arranged as follows:</li>\n</ul>\n\n<pre>\nabc\nbce\ncae\n</pre>\n\n<p>You want to <strong>delete</strong> the columns that are <strong>not sorted lexicographically</strong>. In the above example (<strong>0-indexed</strong>), columns 0 (<code>&#39;a&#39;</code>, <code>&#39;b&#39;</code>, <code>&#39;c&#39;</code>) and 2 (<code>&#39;c&#39;</code>, <code>&#39;e&#39;</code>, <code>&#39;e&#39;</code>) are sorted, while column 1 (<code>&#39;b&#39;</code>, <code>&#39;c&#39;</code>, <code>&#39;a&#39;</code>) is not, so you would delete column 1.</p>\n\n<p>Return <em>the number of columns that you will delete</em>.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> strs = [&quot;cba&quot;,&quot;daf&quot;,&quot;ghi&quot;]\n<strong>Output:</strong> 1\n<strong>Explanation:</strong> The grid looks as follows:\n  cba\n  daf\n  ghi\nColumns 0 and 2 are sorted, but column 1 is not, so you only need to delete 1 column.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> strs = [&quot;a&quot;,&quot;b&quot;]\n<strong>Output:</strong> 0\n<strong>Explanation:</strong> The grid looks as follows:\n  a\n  b\nColumn 0 is the only column and is sorted, so you will not delete any columns.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> strs = [&quot;zyx&quot;,&quot;wvu&quot;,&quot;tsr&quot;]\n<strong>Output:</strong> 3\n<strong>Explanation:</strong> The grid looks as follows:\n  zyx\n  wvu\n  tsr\nAll 3 columns are not sorted, so you will delete all 3.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>n == strs.length</code></li>\n\t<li><code>1 &lt;= n &lt;= 100</code></li>\n\t<li><code>1 &lt;= strs[i].length &lt;= 1000</code></li>\n\t<li><code>strs[i]</code> consists of lowercase English letters.</li>\n</ul>\n",
            "translatedTitle": "删列造序",
            "translatedContent": "<p>给你由 <code>n</code> 个小写字母字符串组成的数组 <code>strs</code>，其中每个字符串长度相等。</p>\n\n<p>这些字符串可以每个一行，排成一个网格。例如，<code>strs = [\"abc\", \"bce\", \"cae\"]</code> 可以排列为：</p>\n\n<pre>\nabc\nbce\ncae</pre>\n\n<p>你需要找出并删除 <strong>不是按字典序非严格递增排列的</strong> 列。在上面的例子（下标从 0 开始）中，列 0（<code>'a'</code>, <code>'b'</code>, <code>'c'</code>）和列 2（<code>'c'</code>, <code>'e'</code>, <code>'e'</code>）都是按字典序非严格递增排列的，而列 1（<code>'b'</code>, <code>'c'</code>, <code>'a'</code>）不是，所以要删除列 1 。</p>\n\n<p>返回你需要删除的列数。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>strs = [\"cba\",\"daf\",\"ghi\"]\n<strong>输出：</strong>1\n<strong>解释：</strong>网格示意如下：\n  cba\n  daf\n  ghi\n列 0 和列 2 按升序排列，但列 1 不是，所以只需要删除列 1 。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>strs = [\"a\",\"b\"]\n<strong>输出：</strong>0\n<strong>解释：</strong>网格示意如下：\n  a\n  b\n只有列 0 这一列，且已经按升序排列，所以不用删除任何列。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>strs = [\"zyx\",\"wvu\",\"tsr\"]\n<strong>输出：</strong>3\n<strong>解释：</strong>网格示意如下：\n  zyx\n  wvu\n  tsr\n所有 3 列都是非升序排列的，所以都要删除。\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>n == strs.length</code></li>\n\t<li><code>1 &lt;= n &lt;= 100</code></li>\n\t<li><code>1 &lt;= strs[i].length &lt;= 1000</code></li>\n\t<li><code>strs[i]</code> 由小写英文字母组成</li>\n</ul>\n",
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