mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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178 lines
16 KiB
JSON
178 lines
16 KiB
JSON
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"title": "Range Addition II",
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"content": "<p>You are given an <code>m x n</code> matrix <code>M</code> initialized with all <code>0</code>'s and an array of operations <code>ops</code>, where <code>ops[i] = [a<sub>i</sub>, b<sub>i</sub>]</code> means <code>M[x][y]</code> should be incremented by one for all <code>0 <= x < a<sub>i</sub></code> and <code>0 <= y < b<sub>i</sub></code>.</p>\n\n<p>Count and return <em>the number of maximum integers in the matrix after performing all the operations</em>.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/10/02/ex1.jpg\" style=\"width: 750px; height: 176px;\" />\n<pre>\n<strong>Input:</strong> m = 3, n = 3, ops = [[2,2],[3,3]]\n<strong>Output:</strong> 4\n<strong>Explanation:</strong> The maximum integer in M is 2, and there are four of it in M. So return 4.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> m = 3, n = 3, ops = [[2,2],[3,3],[3,3],[3,3],[2,2],[3,3],[3,3],[3,3],[2,2],[3,3],[3,3],[3,3]]\n<strong>Output:</strong> 4\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> m = 3, n = 3, ops = []\n<strong>Output:</strong> 9\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= m, n <= 4 * 10<sup>4</sup></code></li>\n\t<li><code>0 <= ops.length <= 10<sup>4</sup></code></li>\n\t<li><code>ops[i].length == 2</code></li>\n\t<li><code>1 <= a<sub>i</sub> <= m</code></li>\n\t<li><code>1 <= b<sub>i</sub> <= n</code></li>\n</ul>\n",
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