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leetcode-problemset/leetcode-cn/problem (English)/排序矩阵查找(English) [sorted-matrix-search-lcci].html

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<p>Given an M x N matrix in which each row and each column is sorted in ascending order, write a method to find an element.</p>
<p><strong>Example:</strong></p>
<p>Given matrix:</p>
<pre>
[
[1, 4, 7, 11, 15],
[2, 5, 8, 12, 19],
[3, 6, 9, 16, 22],
[10, 13, 14, 17, 24],
[18, 21, 23, 26, 30]
]
</pre>
<p>Given target&nbsp;=&nbsp;5,&nbsp;return&nbsp;<code>true.</code></p>
<p>Given target&nbsp;=&nbsp;20, return&nbsp;<code>false.</code></p>