Find all the permutations of a string 就是permutations II考虑有重复字母的情况。 String str = "someString"; char[] charArray = str.toCharArray(); 对char array进行排序: Arrays.sort(charArray) 之后再把CharArray转化成string: char[] myString = new char[] {'T', 'H', 'I', 'S', ' ',...
*@linkhttps://leetcode-cn.com/problems/permutation-in-string/ *@solutions* *@best_solutions* */export{};constlog =console.log;// s1 和 s2 仅包含小写字母functioncheckInclusion(s1: string, s2: string): boolean {constlen1 = s1.length;constlen2 = s2.length;// 如果 s1 长度大于 s2, 直...
String Write a program to find the longest Palindrome in a string.[ Longest palindromic Substring] <-> String Find Longest Recurring Subsequence in String <-> String Print all Subsequences of a string. <-> String Print all the permutations of the given string <-> ...
('$' means the problem is locked on Leetcode, '*' means the problem is related to Database, '#' means the problem is related to Shell, '~' means the concurrency problems.) #TitleSolutionDifficulty 1352 Product of the Last K Numbers 50.20% Medium 1351 Count Negative Numbers in a Sorted...
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) 这道题要求我们复原IP地址。
658. First Unique Character in a String Easy 首先做个字符出现次数的统计,然后再次遍历,找出只出现了一次的第一个字符。 /fuxuemingzhu/article/details/84139374 659. Degree of an Array Easy 求最大的出现次数的所有数字,其最左右出现的位置差的最小值 /fuxuemingzhu/article/details/79146067 ...
LeetCode: 894. All Possible Full Binary Trees LeetCode: 894. All Possible Full Binary Trees 题目描述 A full binary tree is a binary tree where each node has exactly 0 or 2 children. Return a list of all possible full binary trees with N nodes. Each e......
package leetcode func findSubstring(s string, words []string) []int { if len(words) == 0 { return []int{} } res := []int{} counter := map[string]int{} for _, w := range words { counter[w]++ } length, totalLen, tmpCounter := len(words[0]), len(words[0])*len(w...
LeetCode 398. Random Pick Index LC address:398. Random Pick Index Given an array of integers with possible duplicates, randomly output the index of a given target number. You can assume that the given target number must exist in the array. ...
2741.Special-Permutations (M+) 2746.Decremental-String-Concatenation (H-) 3213.Construct-String-with-Minimum-Cost (H-) hidden matrix 489.Robot-Room-Cleaner (H) 1778.Shortest-Path-in-a-Hidden-Grid (H-) 1810.Minimum-Path-Cost-in-a-Hidden-Grid (M+) BFS 127.Word-Ladder (M+) 126.Word-...