Leetcode-Resotre IP Addresses】的更多相关文章

Restore IP Addresses My Submissions Question Solution Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example: Given "25525511135", return ["255.255.11.135", "255.255.…
Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example:Given "25525511135", return ["255.255.11.135", "255.255.111.35"]. (Order does not matter) 这道题要求是复原IP地址,IP地…
原题地址:https://oj.leetcode.com/problems/restore-ip-addresses/ 题意: Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example:Given "25525511135", return ["255.255.11.135", "…
https://oj.leetcode.com/problems/restore-ip-addresses/ string到int的ip地址格式化. 分别用 i+1,j+1,k+1,表示前三个地址段的数位的个数.之后判断每个地址段是否数字个数都是从1到3,并且数是从0到255,符合条件的即可. 如果一个地址段的第一位是0,则这个地址段只能是0.比如 010010,表示成0.10.0.10或者0.100.1.0 class Solution { public: int str2int( strin…
Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example:Given "25525511135", return ["255.255.11.135", "255.255.111.35"]. (Order does not matter) 题目是给一个string,划分合…
Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example:Given "25525511135", return ["255.255.11.135", "255.255.111.35"]. (Order does not matter) Hide Tags Backtr…
DFS class Solution { public: vector<string> restoreIpAddresses(string s) { return insertDot(s, 0, 3); } vector<string> insertDot(string s, int beginIndex, int countOfDot /*3, 2, 1, 0*/) { vector<string> result; if( (s.size() - beginIndex…
题目链接 leetcode 93. Restore IP Addresses 题意 给定一段序列,判断可能组成ip数的所有可能集合 思路 可以采用模拟或者DFS的想法,把总的ip数分成四段,每段判断是否满足题意 class Solution { public: vector<string> ans; vector<string> restoreIpAddresses(string s){ if(!s.size()) return ans; solve(0,0,s,"&qu…
Restore IP Addresses Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example:Given "25525511135", return ["255.255.11.135", "255.255.111.35"]. (Order does not mat…
Restore IP Addresses Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example:Given "25525511135", return ["255.255.11.135", "255.255.111.35"]. (Order does not mat…
1. Reverse Linked List II Reverse a linked list from position m to n. Do it in-place and in one-pass. For example:Given 1->2->3->4->5->NULL, m = 2 and n = 4, return 1->4->3->2->5->NULL. Note:Given m, n satisfy the following c…
backtracking and invariant during generating the parathese righjt > left  (open bracket and cloase barckst) class Solution { //["((()))","(()())","(())()","()(())","()()()","())(()"] wrong cas…
1.  Binary Tree Inorder Traversal Given a binary tree, return the inorder traversal of its nodes' values. For example: Given binary tree {1,#,2,3}, 1 \ 2 / 3 return [1,3,2]. Note: Recursive solution is trivial, could you do it iteratively? 分析:求二叉树的…
In this problem, your job to write a function to check whether a input string is a valid IPv4 address or IPv6 address or neither. IPv4 addresses are canonically represented in dot-decimal notation, which consists of four decimal numbers, each ranging…
题目: Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example:Given "25525511135", return ["255.255.11.135", "255.255.111.35"]. (Order does not matter) 链接: http://l…
Reserved IP addresses From Wikipedia, the free encyclopedia     In the Internet addressing architecture, the Internet Engineering Task Force (IETF) and the Internet Assigned Numbers Authority (IANA) have reserved various Internet Protocol (IP) addres…
93. Restore IP Addresses Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example: Given "25525511135", return ["255.255.11.135", "255.255.111.35"]. (Order does no…
93.Restore IP Addresses Medium 617237FavoriteShare Given a string containing only digits, restore it by returning all possible valid IP address combinations. Example: Input: "25525511135" Output: ["255.255.11.135", "255.255.111.35…
I’d like to call your attention to a new feature that we rolled out earlier this month. You can now provide us with a configurable Reverse DNS record for any of your Elastic IP addresses. Once you’ve supplied us with the record, reverse DNS lookups (…
"cni0" already has an IP address different from 10.244.2.1/24. Error while adding to cni network: failed to allocate for range 0: no IP addresses available in range set: 10.244.2.1-10.244.2.254 解决: 干掉cni-flannel,停运集群.清理环境. rm -rf /var/lib/cni/fl…
在.Net网络库里面最大的优点就是IP地址和端口被成对处理,相比于UNIX中用的方法真是一个巨大的令人欢迎的进步..NET定义了两个类来处理关于IP地址的问题. One of the biggest advantages you will notice in the .NET network library is the way IP address/port pairs are handled. It is a fairly straightforward process that prese…
传送门 题目 The problem uses a simplified TCP/IP address model, please read the statement carefully. An IP address is a 32-bit integer, represented as a group of four decimal 8-bit integers (without leading zeroes), separated by commas. For example, recor…
今天遇到一个机器上的Pod 在创建以后一直处于Init 0/1的状态,进到这个节点查看其kubelet的状态,发现果然有问题 systemctl status kubelet .go:] Container "1a7183767162740ba734e2c4b880e2937af1680e15fb1a7d66dc7e48fe0ca68c" not found in pod's containers RunPodSandbox from runtime service failed: r…
Beautiful IP Addresses Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 292C64-bit integer IO format: %I64d      Java class name: (Any)   The problem uses a simplified TCP/IP address model, please read…
Type 'ipconfig' (without the quotes) to view the status of the computer's IP address(es). If the computer is holding a current IP address, type 'ipconfig /release' to let go of the address. Type 'ipconfig /renew' to obtain a new IP address (whether o…
题目来源 https://leetcode.com/problems/restore-ip-addresses/ Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example:Given "25525511135", return ["255.255.11.135", "255.25…
一天一道LeetCode 本系列文章已全部上传至我的github,地址:ZeeCoder's Github 欢迎大家关注我的新浪微博,我的新浪微博 欢迎转载,转载请注明出处 (一)题目 Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example: Given "25525511135", return [&qu…
原题链接: http://oj.leetcode.com/problems/restore-ip-addresses/  这道题的解法很接近于NP问题.也是採用递归的解法. 基本思路就是取出一个合法的数字,作为IP地址的一项,然后递归处理剩下的项.能够想象出一颗树,每一个结点有三个可能的分支(由于范围是0-255,所以能够由一位两位或者三位组成).而且这里树的层数不会超过四层,由于IP地址由四段组成,到了之后我们就不是必需再递归下去.能够结束了.这里除了上述的结束条件外,还有一个就是字符串读完了…
Given a string containing only digits, restore it by returning all possible valid IP address combinations. Example: Input: "25525511135" Output: ["255.255.11.135", "255.255.111.35"] 解法:Backtracking Java: public class Solution…
作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 回溯法 日期 题目地址:https://leetcode.com/problems/restore-ip-addresses/description/ 题目描述 Given a string containing only digits, restore it by returning all possible valid IP address co…