leetcode-problemset/leetcode-cn/originData/the-k-weakest-rows-in-a-matrix.json

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            "title": "The K Weakest Rows in a Matrix",
            "titleSlug": "the-k-weakest-rows-in-a-matrix",
            "content": "<p>You are given an <code>m x n</code> binary matrix <code>mat</code> of <code>1</code>&#39;s (representing soldiers) and <code>0</code>&#39;s (representing civilians). The soldiers are positioned <strong>in front</strong> of the civilians. That is, all the <code>1</code>&#39;s will appear to the <strong>left</strong> of all the <code>0</code>&#39;s in each row.</p>\n\n<p>A row <code>i</code> is <strong>weaker</strong> than a row <code>j</code> if one of the following is true:</p>\n\n<ul>\n\t<li>The number of soldiers in row <code>i</code> is less than the number of soldiers in row <code>j</code>.</li>\n\t<li>Both rows have the same number of soldiers and <code>i &lt; j</code>.</li>\n</ul>\n\n<p>Return <em>the indices of the </em><code>k</code><em> <strong>weakest</strong> rows in the matrix ordered from weakest to strongest</em>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> mat = \n[[1,1,0,0,0],\n [1,1,1,1,0],\n [1,0,0,0,0],\n [1,1,0,0,0],\n [1,1,1,1,1]], \nk = 3\n<strong>Output:</strong> [2,0,3]\n<strong>Explanation:</strong> \nThe number of soldiers in each row is: \n- Row 0: 2 \n- Row 1: 4 \n- Row 2: 1 \n- Row 3: 2 \n- Row 4: 5 \nThe rows ordered from weakest to strongest are [2,0,3,1,4].\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> mat = \n[[1,0,0,0],\n [1,1,1,1],\n [1,0,0,0],\n [1,0,0,0]], \nk = 2\n<strong>Output:</strong> [0,2]\n<strong>Explanation:</strong> \nThe number of soldiers in each row is: \n- Row 0: 1 \n- Row 1: 4 \n- Row 2: 1 \n- Row 3: 1 \nThe rows ordered from weakest to strongest are [0,2,3,1].\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>m == mat.length</code></li>\n\t<li><code>n == mat[i].length</code></li>\n\t<li><code>2 &lt;= n, m &lt;= 100</code></li>\n\t<li><code>1 &lt;= k &lt;= m</code></li>\n\t<li><code>matrix[i][j]</code> is either 0 or 1.</li>\n</ul>\n",
            "translatedTitle": "矩阵中战斗力最弱的 K 行",
            "translatedContent": "<p>给你一个大小为 <code>m * n</code> 的矩阵 <code>mat</code>，矩阵由若干军人和平民组成，分别用 1 和 0 表示。</p>\n\n<p>请你返回矩阵中战斗力最弱的 <code>k</code> 行的索引，按从最弱到最强排序。</p>\n\n<p>如果第 <em><strong>i</strong></em> 行的军人数量少于第 <em><strong>j</strong></em> 行，或者两行军人数量相同但<em><strong> i</strong></em> 小于 <em><strong>j</strong></em>，那么我们认为第<em><strong> i </strong></em>行的战斗力比第<em><strong> j </strong></em>行弱。</p>\n\n<p>军人 <strong>总是</strong> 排在一行中的靠前位置，也就是说 1 总是出现在 0 之前。</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>mat = \n[[1,1,0,0,0],\n [1,1,1,1,0],\n [1,0,0,0,0],\n [1,1,0,0,0],\n [1,1,1,1,1]], \nk = 3\n<strong>输出：</strong>[2,0,3]\n<strong>解释：</strong>\n每行中的军人数目：\n行 0 -> 2 \n行 1 -> 4 \n行 2 -> 1 \n行 3 -> 2 \n行 4 -> 5 \n从最弱到最强对这些行排序后得到 [2,0,3,1,4]\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>mat = \n[[1,0,0,0],\n [1,1,1,1],\n [1,0,0,0],\n [1,0,0,0]], \nk = 2\n<strong>输出：</strong>[0,2]\n<strong>解释：</strong> \n每行中的军人数目：\n行 0 -> 1 \n行 1 -> 4 \n行 2 -> 1 \n行 3 -> 1 \n从最弱到最强对这些行排序后得到 [0,2,3,1]\n</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>m == mat.length</code></li>\n\t<li><code>n == mat[i].length</code></li>\n\t<li><code>2 <= n, m <= 100</code></li>\n\t<li><code>1 <= k <= m</code></li>\n\t<li><code>matrix[i][j]</code> 不是 0 就是 1</li>\n</ul>\n",
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