Given many words, words[i] has weight i. Design a class WordFilter that supports one function, WordFilter.f(String prefix, String suffix). It will return the word with given prefix and suffix with maximum weight. If no word exists, return -1. Example…

Given many words, words[i] has weight i. Design a class WordFilter that supports one function, WordFilter.f(String prefix, String suffix). It will return the word with given prefix and suffix with maximum weight. If no word exists, return -1. Example…

题目如下: Given many words, words[i] has weight i. Design a class WordFilter that supports one function, WordFilter.f(String prefix, String suffix). It will return the word with given prefix and suffix with maximum weight. If no word exists, return -1. E…

［抄题］: Given many words, words[i] has weight i. Design a class WordFilter that supports one function, WordFilter.f(String prefix, String suffix). It will return the word with given prefix and suffix with maximum weight. If no word exists, return -1. E…

Given many words, words[i] has weight i. Design a class WordFilter that supports one function, WordFilter.f(String prefix, String suffix). It will return the word with given prefix and suffix with maximum weight. If no word exists, return -1. Example…

Leetcode之回溯法专题-212. 单词搜索 II(Word Search II) 给定一个二维网格 board 和一个字典中的单词列表 words,找出所有同时在二维网格和字典中出现的单词. 单词必须按照字母顺序,通过相邻的单元格内的字母构成,其中“相邻”单元格是那些水平相邻或垂直相邻的单元格.同一个单元格内的字母在一个单词中不允许被重复使用. 示例: 输入: words = ["oath","pea","eat","rain&q…

745. 前缀和后缀搜索 给定多个 words,words[i] 的权重为 i . 设计一个类 WordFilter 实现函数WordFilter.f(String prefix, String suffix).这个函数将返回具有前缀 prefix 和后缀suffix 的词的最大权重.如果没有这样的词,返回 -1. 例子: 输入: WordFilter(["apple"]) WordFilter.f("a", "e") // 返回 0 WordF…

———————————————————————————————————————————NSString 字符串比较 #import <Foundation/Foundation.h> void test1(){    //        比较字符串大小    //        首先我们定义两个字符串    NSString *str1=@"abc";    NSString *str2=@"Acd";        //        我们要用到的是c…

Leetcode之回溯法专题-79. 单词搜索(Word Search) 给定一个二维网格和一个单词,找出该单词是否存在于网格中. 单词必须按照字母顺序,通过相邻的单元格内的字母构成,其中“相邻”单元格是那些水平相邻或垂直相邻的单元格.同一个单元格内的字母不允许被重复使用. 示例: board = [ ['A','B','C','E'], ['S','F','C','S'], ['A','D','E','E'] ] 给定 word = "ABCCED", 返回 true. 给定 wor…

Seek the Name, Seek the Fame Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 14106   Accepted: 7018 Description The little cat is so famous, that many couples tramp over hill and dale to Byteland, and asked the little cat to give names t…