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2023-12-09 18:42:21 +08:00
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leetcode/problem/check-if-matrix-is-x-matrix.html
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@@ -8,7 +8,7 @@
<p>Given a 2D integer array <code>grid</code> of size <code>n x n</code> representing a square matrix, return <code>true</code><em> if </em><code>grid</code><em> is an X-Matrix</em>. Otherwise, return <code>false</code>.</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/2022/05/03/ex1.jpg" style="width: 311px; height: 320px;" />
<pre>
<strong>Input:</strong> grid = [[2,0,0,1],[0,3,1,0],[0,5,2,0],[4,0,0,2]]
@@ -18,7 +18,7 @@ An X-Matrix should have the green elements (diagonals) be non-zero and the red e
Thus, grid is an X-Matrix.
</pre>
<p><strong>Example 2:</strong></p>
<p><strong class="example">Example 2:</strong></p>
<img alt="" src="https://assets.leetcode.com/uploads/2022/05/03/ex2.jpg" style="width: 238px; height: 246px;" />
<pre>
<strong>Input:</strong> grid = [[5,7,0],[0,3,1],[0,5,0]]