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leetcode/problem/determine-whether-matrix-can-be-obtained-by-rotation.html
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<p>Given two <code>n x n</code> binary matrices <code>mat</code> and <code>target</code>, return <code>true</code><em> if it is possible to make </em><code>mat</code><em> equal to </em><code>target</code><em> by <strong>rotating</strong> </em><code>mat</code><em> in <strong>90-degree increments</strong>, or </em><code>false</code><em> otherwise.</em></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/2021/05/20/grid3.png" style="width: 301px; height: 121px;" />
<pre>
<strong>Input:</strong> mat = [[0,1],[1,0]], target = [[1,0],[0,1]]
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<strong>Explanation: </strong>We can rotate mat 90 degrees clockwise to make mat equal target.
</pre>
<p><strong>Example 2:</strong></p>
<p><strong class="example">Example 2:</strong></p>
<img alt="" src="https://assets.leetcode.com/uploads/2021/05/20/grid4.png" style="width: 301px; height: 121px;" />
<pre>
<strong>Input:</strong> mat = [[0,1],[1,1]], target = [[1,0],[0,1]]
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<strong>Explanation:</strong> It is impossible to make mat equal to target by rotating mat.
</pre>
<p><strong>Example 3:</strong></p>
<p><strong class="example">Example 3:</strong></p>
<img alt="" src="https://assets.leetcode.com/uploads/2021/05/26/grid4.png" style="width: 661px; height: 184px;" />
<pre>
<strong>Input:</strong> mat = [[0,0,0],[0,1,0],[1,1,1]], target = [[1,1,1],[0,1,0],[0,0,0]]