class Solution { public TreeNode mergeTrees(TreeNode root1, TreeNode root2) { if (root1 == null) { return root2; } if (root2 == null) { return root1; } TreeNode node = new TreeNode(root1.val + root2.val); node.left = mergeTrees(root1.left, root2.left); node.right = m...
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 ...
3.1 Java实现 classSolution{publicTreeNodemergeTrees(TreeNode root1, TreeNode root2){if(root1 ==null) {returnroot2; }if(root2 ==null) {returnroot1; }TreeNodenode=newTreeNode(root1.val + root2.val); node.left = mergeTrees(root1.left, root2.left); node.right = mergeTrees(root1.ri...
来自专栏 · Leetcode题解 1 人赞同了该文章 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...
[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 ...
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...
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...
来自专栏 · LeetCode之路 [Easy] Problem Description 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...
[LeetCode] 617. Merge Two Binary Trees Problem 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 ...
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。