leetcode/23/08/Q617.cpp

//
// Created by 李洋 on 2023/8/14.
//
#include "../../dataStruct/Tree/Tree.h"

class Q617 {
public:
    TreeNode* mergeTrees(TreeNode* root1, TreeNode* root2) {
        if (root1 == nullptr) {
            return root2;
        }
        if (root2 == nullptr) {
            return root1;
        }
        auto merged = new TreeNode(root1->val + root2->val);
        merged->left = mergeTrees(root1->left, root2->left);
        merged->right = mergeTrees(root1->right, root2->right);
        return merged;
    }
};