g0901_1000.s0965_univalued_binary_tree.Solution

public class Solution extends Object

965 - Univalued Binary Tree.

Easy

A binary tree is uni-valued if every node in the tree has the same value.

Given the root of a binary tree, return true if the given tree is uni-valued , or false otherwise.

Example 1:

Input: root = [1,1,1,1,1,null,1]

Output: true

Example 2:

Input: root = [2,2,2,5,2]

Output: false

Constraints:

Class Solution

Constructor Summary