Package g0501_0600.s0513_find_bottom_left_tree_value

Class Solution

java.lang.Object

g0501_0600.s0513_find_bottom_left_tree_value.Solution

public class Solution
extends Object

513 - Find Bottom Left Tree Value.<p>Medium</p> <p>Given the <code>root</code> of a binary tree, return the leftmost value in the last row of the tree.</p> <p><strong>Example 1:</strong></p> <p><img src="https://assets.leetcode.com/uploads/2020/12/14/tree1.jpg" alt="" /></p> <p><strong>Input:</strong> root = [2,1,3]</p> <p><strong>Output:</strong> 1</p> <p><strong>Example 2:</strong></p> <p><img src="https://assets.leetcode.com/uploads/2020/12/14/tree2.jpg" alt="" /></p> <p><strong>Input:</strong> root = [1,2,3,4,null,5,6,null,null,7]</p> <p><strong>Output:</strong> 7</p> <p><strong>Constraints:</strong></p> <ul> <li>The number of nodes in the tree is in the range <code>[1, 10⁴]</code>.</li> <li><code>-2³¹ <= Node.val <= 2³¹ - 1</code></li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
int	findBottomLeftValue(TreeNode root)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Solution

public Solution()

Method Details

findBottomLeftValue

public int findBottomLeftValue(TreeNode root)