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", "…

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…

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…