Renoler的博客

Problem: https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list/Soluiton:使用inorder traversal读取值，读出来的node和cur double linked最后再把dummy node删除class Solution { public...

Preorder: https://leetcode.com/problems/binary-tree-preorder-traversal/Inorder: https://leetcode.com/problems/binary-tree-inorder-traversal/Postorder: https://leetcode.com/problems/binary-tree-posto...

Problems: https://leetcode.com/problems/binary-tree-right-side-view/Solution1:level order，将每层分好后取出最右的值class Solution { List<ArrayList<Integer>> levels = new ArrayList<>(); ...