Given an array of strings, return all groups of strings that are anagrams. Note: All inputs will be in lower-case. 题目: 给一组字符串,返回所有满足Anagrams(回文构词法)的字符串: Anagrams是指由颠倒字母顺序组成的单词,比如“dormitory”颠倒字母顺序会变成“dirty room”,“tea”会变成“eat”. 回文构词法有一个特点:单词里的字母的种类和数目没…

The arithmetic sequence, 1487, 4817, 8147, in which each of the terms increases by 3330, is unusual in two ways: (i) each of the three terms are prime, and, (ii) each of the 4-digit numbers are permutations of one another. There are no arithmetic seq…

题目链接: https://leetcode.com/problems/anagrams/?tab=Description   Problem:给一个字符串数组,将其中的每个字符串进行分组,要求每个分组中的各个字符串所包含的字母都相同对字母的前后顺序没有要求!       使用 Map<String, List<String>> map 进行求解   给定的字符串数组为 String[] strs 1.当strs为空时返回new ArrayList<List<Strin…

49. Group Anagrams Problem's Link ---------------------------------------------------------------------------- Mean: 给定一个由string类型构成的集合,让你按照每个字符串的单词构成集合来将这个集合分类. analyse: STL的运用. Time complexity: O(N) view code /** * ---------------------------------…

https://leetcode.com/problems/anagrams/ Given an array of strings, group anagrams together. For example, given: ["eat", "tea", "tan", "ate", "nat", "bat"], Return: [ ["ate", "eat&q…

Given a set of distinct integers, S, return all possible subsets. Note: Elements in a subset must be in non-descending order. The solution set must not contain duplicate subsets. 题目要求 : 求整数数组的所有子集 注意: 1.子集元素按非降序排列 2.不包含重复的子集 解题思路: 求解这类诸如子集的题目,都可以采用回溯…

Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.) You have the following 3 operations permitted on a word: a) Insert a characterb) Delete a characterc) Replace…

================================== LeetCode的一些算法题,都是自己做的,欢迎提出改进~~ LeetCode:http://oj.leetcode.com ================================== <Reverse Words in a String>-20140328 Given an input string, reverse the string word by word. For example, Given s =…

Given an array of strings, group anagrams together. Example: Input: ["eat", "tea", "tan", "ate", "nat", "bat"], Output: [ ["ate","eat","tea"], ["nat","…

转载自浅墨大神http://blog.csdn.net/poem_qianmo/article/details/19809337 OpenCV2.4.9和2.4.8的配置几乎一样,唯一的区别在下文中的第五步,链接库的配置,把对应的248改成249即可. OpenCV 3.0配置更是被简化了.和2.4.8.2.4.9的区别就是下文第五步,链接库的配置,只用添加 opencv_ts300d.lib.opencv_world300d.lib(debug版本的库) 或opencv_ts300.lib.o…