摘要: ```c class Solution { public: TreeNode* deleteNode(TreeNode* root, int key) { del(root,key); return root; } void del(TreeNode* &root,int key) { if(!ro 阅读全文
posted @ 2023-06-04 15:13 穿过雾的阴霾 阅读(8) 评论(0) 推荐(0)
摘要: ```c class Solution { public: void dfs(TreeNode* root,int &sum)//从大到小遍历所有节点 { if(!root) return; dfs(root->right,sum); sum+=root->val; root->val=sum; d 阅读全文
posted @ 2023-06-04 14:16 穿过雾的阴霾 阅读(8) 评论(0) 推荐(0)