题目如下: Given a list of words (without duplicates), please write a program that returns all concatenated words in the given list of words. A concatenated word is defined as a string that is comprised entirely of at least two shorter words in the given…

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 动态规划 日期 题目地址:https://leetcode.com/problems/concatenated-words/ 题目描述 Given a list of words (without duplicates), please write a program that returns all concatenated words in th…

class Solution { public: vector<string> res; vector<string> findAllConcatenatedWordsInADict(vector<string>& words) { unordered_set<string> s(words.begin(), words.end()); for (auto & w : words) if (helper(s, w)) res.push_bac…

详见:https://leetcode.com/problems/concatenated-words/description/ C++: class Solution { public: vector<string> findAllConcatenatedWordsInADict(vector<string>& words) { if (words.size() <= 2) { return {}; } vector<string> res; unord…

终于将LeetCode的免费题刷完了,真是漫长的第一遍啊,估计很多题都忘的差不多了,这次开个题目汇总贴,并附上每道题目的解题连接,方便之后查阅吧~ 477 Total Hamming Distance 44.10% Meidum 475 Heaters  30.20% Easy 474 Ones and Zeroes  34.90% Meidum 473 Matchsticks to Square  31.80% Medium 472 Concatenated Words 29.20% Hard…

417. Pacific Atlantic Water Flow 思路:构造两个二维数组分别存储大西洋和太平洋的结果,先初始化边界,然后从边界出发,深度优先遍历,标记满足条件的所有节点 static int[] dx = new int[]{-1,0,0,1}; static int[] dy = new int[]{0,1,-1,0}; public List<int[]> pacificAtlantic(int[][] matrix) { List<int[]> res = n…

突然很想刷刷题,LeetCode是一个不错的选择,忽略了输入输出,更好的突出了算法,省去了不少时间. dalao们发现了任何错误,或是代码无法通过,或是有更好的解法,或是有任何疑问和建议的话,可以在对应的随笔下面评论区留言,我会及时处理,在此谢过了. 过程或许会很漫长,也很痛苦,慢慢来吧. 编号 题名 过题率 难度 1 Two Sum 0.376 Easy 2 Add Two Numbers 0.285 Medium 3 Longest Substring Without Repeating C…

把字符串转换成整数 class Solution { public: int StrToInt(string str) { int n = str.size(), s = 1; long long res = 0; if(!n) return 0; if(str[0] == '-') s = -1; for(int i = (str[0] == '-' || str[0] == '+') ? 1 : 0; i < n; ++i){ if(!('0' <= str[i] && s…

先过一下Hard模式的题目吧.   # Title Editorial Acceptance Difficulty Frequency   . 65 Valid Number     12.6% Hard    . 126 Word Ladder II     13.6% Hard    . 149 Max Points on a Line     15.6% Hard    . 146 LRU Cache     16.0% Hard    . 68 Text Justification  …

接上一篇:http://www.cnblogs.com/charlesblc/p/6283064.html 继续过Hard模式的题目吧.   # Title Editorial Acceptance Difficulty Frequency   . 65 Valid Number     12.6% Hard    . 126 Word Ladder II     13.6% Hard    . 149 Max Points on a Line     15.6% Hard    . 146 L…