⭐ Leetcode 解題紀錄 ⭐題型資料結構Python SolutionC++ SolutionNote ⭐BFS 相關題型 ⭐ 104 Maximum Depth of Binary Tree BFS (分層) Python 94 Binary Tree Inorder Traversal BFS (分層) Tree Python 內含 處理 Tree 樹問題的重點 102 Binary Tree Level Order Traversal BFS (分層) Tree Python ...
Reverse digits of an integer. Example1: x = 123, return 321 Example2: x = -123, return -321 click to show spoilers. Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have already thought through this! If the integer's last ...
My Solutions to Leetcode problems. All solutions support C++ language, some support Java and Python. Multiple solutions will be given by most problems. Enjoy:) 我的Leetcode解答。所有的问题都支持C++语言,一部分问题支持Java语言。近乎所有问题都会提供多个算
Leetcode#150 Evaluate Reverse Polish Notation 原题地址 基本栈操作。 注意数字有可能是负的。 代码: 1inttoInteger(string&s) {2intres =0;3boolnegative = s[0] =='-'?true:false;45for(inti = negative ?1:0; i < s.length(); i++) {6res *=10;7res += s[i] -'0';8}9returnnegati...
package leetcode import "strings" func reverseWords151(s string) string { ss := strings.Fields(s) reverse151(&ss, 0, len(ss)-1) return strings.Join(ss, " ") } func reverse151(m *[]string, i int, j int) { for i <= j { (*m)[i], (*m)[j] = (*m)[j], (*m)[i]...
Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order. Example 1: Input: "Let's take LeetCode contest" Output: "s'teL ekat edoCteeL tsetnoc" ...
Reverse Words in a String II -- LeetCode Given an input string, reverse the string word by word. A word is defined as a sequence of non-space characters. The input string does not contain leading or trailing spaces and the words are always separated by a single space....
题源:https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal/ 代码: /** * Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode() : val(0), left(nullptr), right(nullptr) {} ...
标签: leetcode, level 1, mark 好文要顶 关注我 收藏该文 微信分享 JasonChang 粉丝- 2 关注- 1 +加关注 0 0 升级成为会员 « 上一篇: Binary Tree Inorder Traversal » 下一篇: Subsets posted on 2013-11-12 13:18 JasonChang 阅读(149) 评论(0) 收藏 举报 刷新...
Reverse digits of an integer. Example1: x = 123, return 321 Example2: x = -123, return -321 Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have already thought through this!