标签：return and tree The binary 简单 sam eve ued
A binary tree is univalued if every node in the tree has the same value.
Return true if and only if the given tree is univalued.
太简单了，签到题。
标签：return and tree The binary 简单 sam eve ued
原文地址：https://www.cnblogs.com/ethanhong/p/10199991.html
