一、题目大意 给你两棵二叉树: root1 和 root2 。 想象一下,当你将其中一棵覆盖到另一棵之上时,两棵树上的一些节点将会重叠(而另一些不会)。你需要将这两棵树合并成一棵新二叉树。合并的规则是:如果两个节点重叠,那么将这两个节点的值相加作为合并后节点的新值;否则,不为 null 的节点将直接作为新二叉树的节点。 返回合并后的
617. Merge Two Binary Trees # 题目 # You are given two binary trees root1 and root2. Imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are not. You need to merge the two trees into a n
Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlappedwhilethe others are not. You need to merge them into anewbinary tree. The merge rule is thatiftwo nodes overlap, then sum node values up as thenewvalue of ...
一、题目大意 给你两棵二叉树: root1 和 root2 。 想象一下,当你将其中一棵覆盖到另一棵之上时,两棵树上的一些节点将会重叠(而另一些不会)。你需要将这两棵树合并成一棵新二叉树。合并的规则是:如果两个节点重叠,那么将这两个节点的值相加作为合并后节点的新值;否则,不为 null 的节点将直接作为新二叉树...
Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are not. You need to merge them into a new binary tree. The merge rule is that if two nodes overlap, then sum node values up as the ne...
LeetCode 617. Merge Two Binary Trees Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are not. You need to merge them into a new binary tree. The merge rule is that if two nodes overlap...
617. 合并二叉树 - 给你两棵二叉树: root1 和 root2 。 想象一下,当你将其中一棵覆盖到另一棵之上时,两棵树上的一些节点将会重叠(而另一些不会)。你需要将这两棵树合并成一棵新二叉树。合并的规则是:如果两个节点重叠,那么将这两个节点的值相加作为合并后节点的新值
[LeetCode] Merge Two Binary Trees 合并二叉树 简介:Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are not. Given two binary trees and imagine that when you put one of them to cover the ...
617. Merge Two Binary Trees —Easy https://leetcode.com/problems/merge-two-binary-trees/ Code: 思路: 1.一开始没想明白到底是递归好还是迭代好,然后就没想明白,感觉下来还是递归好写但是递归的逻辑不易想明白 2.easy还是easy的一开始觉得迭代太麻烦,然后递归没想没明白如何让两个树一起递归,实际上感觉这...
leetcode/MergeTwoBinaryTrees.py/ Jump to 45 lines (42 sloc)1.39 KB RawBlame # Definition for a binary tree node. # class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None classSolution: ...