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力扣每日一题刷题总结:二叉树篇(持续更新)
2022-07-02 06:28:00 【Villanelle#】
100. 相同的树Easy 递归2022/3/23
给你两棵二叉树的根节点 p 和 q ,编写一个函数来检验这两棵树是否相同。
如果两个树在结构上相同,并且节点具有相同的值,则认为它们是相同的。
方法一:最牛递归,判断其左子树和右子树是否均相同来判定树是否相同,难点在于写全边界条件:均为空返回真。有一方为空一方不为空返回假,都不为空如值不相等则为假。
class Solution {
public:
bool isSameTree(TreeNode* p, TreeNode* q)边栏推荐
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