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

<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>