原创 Leetcode-Binary Tree Preorder Traversal
Given a binary tree, return the preorder traversal of its nodes' values. F
2020-06-27 09:28:40
原创 Leetcode-Maximum Depth of Binary Tree
Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from th
2020-02-22 02:40:58
原创 Leetcode-Minimum Depth of Binary Tree
Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from t
2020-02-22 02:40:58
原创 Leetcode-Remove Duplicates from Sorted List II
Given a sorted linked list, delete all nodes that have duplicate numbers,
2020-02-22 02:40:58
原创 Leetcode-Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along
2020-02-22 02:40:58
原创 Leetcode-Reverse Nodes in k-Group
Given a linked list, reverse the nodes of a linked list k at a time and re
2020-02-22 02:40:58
原创 Leetcode-Swap Nodes in Pairs
Given a linked list, swap every two adjacent nodes and return its head. Fo
2020-02-22 02:40:58
原创 Leetcode-Rotate List
Given a list, rotate the list to the right by k places, where k is non-neg
2020-02-22 02:40:58
原创 Leetcode-Remove Nth Node From End of List
Given a linked list, remove the nth node from the end of list and return i
2020-02-22 02:40:58
原创 Leetcode-Binary Tree Postorder Traversal
Given a binary tree, return the postorder traversal of its nodes' values. For example: Given binary tree {1,#,2,3},
2020-02-22 02:40:58
原创 Leetcode分類-樹
題型分類------樹 一、樹的遍歷 1. Binary Tree Preorder Traversal: 使用遞歸和非遞歸 前序遍歷，主要考察非
2020-02-22 02:40:58
原创 Leetcode-Merge Two Sorted Lists
Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes o
2020-02-22 02:40:58
原创 題型分類------字符串和數組(Doing)
1. [1]. Reverse Words in a String：空格的處理 2. Evaluate Reverse Polish Notatio
2020-02-22 02:40:58
原创 Leetcode-Binary Tree Level Order Traversal II
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level
2020-02-22 02:40:58
原创 Leetcode-Remove Duplicates from Sorted List
Given a sorted linked list, delete all duplicates such that each element a
2020-02-22 02:40:58