mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-10 18:48:13 +08:00
43 lines
970 B
HTML
43 lines
970 B
HTML
<p>某公司组织架构以二叉搜索树形式记录,节点值为处于该职位的员工编号。请返回第 <code>cnt</code> 大的员工编号。</p>
|
||
|
||
<p> </p>
|
||
|
||
<p><strong>示例 1:</strong></p>
|
||
|
||
<p><img alt="" src="https://pic.leetcode.cn/1695101634-kzHKZW-image.png" style="height: 281px; width: 500px;" /></p>
|
||
|
||
<pre>
|
||
<strong>输入:</strong>root = [7, 3, 9, 1, 5], cnt = 2
|
||
7
|
||
/ \
|
||
3 9
|
||
/ \
|
||
1 5
|
||
<strong>输出:</strong>7
|
||
</pre>
|
||
|
||
<p><strong>示例 2:</strong></p>
|
||
|
||
<p><img alt="" src="https://pic.leetcode.cn/1695101636-ESZtLa-image.png" style="height: 281px; width: 500px;" /></p>
|
||
|
||
<pre>
|
||
<strong>输入:</strong> root = [10, 5, 15, 2, 7, null, 20, 1, null, 6, 8], cnt = 4
|
||
10
|
||
/ \
|
||
5 15
|
||
/ \ \
|
||
2 7 20
|
||
/ / \
|
||
1 6 8
|
||
<strong>输出:</strong> 8</pre>
|
||
|
||
<p> </p>
|
||
|
||
<p><strong>提示:</strong></p>
|
||
|
||
<ul>
|
||
<li>1 ≤ cnt ≤ 二叉搜索树元素个数</li>
|
||
</ul>
|
||
|
||
<p> </p>
|