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小墨
2023-12-09 18:42:21 +08:00
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leetcode/problem/magic-squares-in-grid.html
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<p>Given a <code>row x col</code>&nbsp;<code>grid</code>&nbsp;of integers, how many <code>3 x 3</code> &quot;magic square&quot; subgrids are there?&nbsp; (Each subgrid is contiguous).</p>
<p>&nbsp;</p>
<p><strong>Example 1:</strong></p>
<p><strong class="example">Example 1:</strong></p>
<img alt="" src="https://assets.leetcode.com/uploads/2020/09/11/magic_main.jpg" style="width: 322px; height: 242px;" />
<pre>
<strong>Input:</strong> grid = [[4,3,8,4],[9,5,1,9],[2,7,6,2]]
@@ -16,7 +16,7 @@ while this one is not:
In total, there is only one magic square inside the given grid.
</pre>
<p><strong>Example 2:</strong></p>
<p><strong class="example">Example 2:</strong></p>
<pre>
<strong>Input:</strong> grid = [[8]]