g0101_0200.s0199_binary_tree_right_side_view

Class Solution

java.lang.Object

g0101_0200.s0199_binary_tree_right_side_view.Solution

public class Solution
extends Object

199 - Binary Tree Right Side View.

Medium

Given the root of a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom.

Example 1:

Input: root = [1,2,3,null,5,null,4]

Output: [1,3,4]

Example 2:

Input: root = [1,null,3]

Output: [1,3]

Example 3:

Input: root = []

Output: []

Constraints:

• The number of nodes in the tree is in the range [0, 100].
• -100 <= Node.val <= 100

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
List<Integer>	rightSideView(TreeNode root)

Methods inherited from class java.lang.Object

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

Constructor Detail

Solution

public Solution()

Method Detail

rightSideView

public List<Integer> rightSideView(TreeNode root)