Hat’s Words Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 11894    Accepted Submission(s): 4239 Problem Description A hat’s word is a word in the dictionary that is the concatenation of exactl…

Hat's Words(hdu1247) Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 6156 Accepted Submission(s): 2289 Problem Description A hat's word is a word in the dictionary that is the concatenation of exa…

题目1 : Trie树 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 小Hi和小Ho是一对好朋友,出生在信息化社会的他们对编程产生了莫大的兴趣,他们约定好互相帮助,在编程的学习道路上一同前进. 这一天,他们遇到了一本词典,于是小Hi就向小Ho提出了那个经典的问题:“小Ho,你能不能对于每一个我给出的字符串,都在这个词典里面找到以这个字符串开头的所有单词呢?” 身经百战的小Ho答道:“怎么会不能呢!你每给我一个字符串,我就依次遍历词典里的所有单词,检查你给我的字符串…

Babelfish Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 30816   Accepted: 13283 Description You have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you have…

Shortest Prefixes Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 12731   Accepted: 5442 Description A prefix of a string is a substring starting at the beginning of the given string. The prefixes of "carbon" are: "c", &qu…

Hat’s Words Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7282    Accepted Submission(s): 2639 Problem Description A hat’s word is a word in the dictionary that is the concatenation of exactly…

What Are You Talking About Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 102400/204800 K (Java/Others)Total Submission(s): 12617    Accepted Submission(s): 4031 Problem Description Ignatius is so lucky that he met a Martian yesterday. But…

统计难题 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131070/65535 K (Java/Others)Total Submission(s): 16905    Accepted Submission(s): 7273 Problem Description Ignatius最近遇到一个难题,老师交给他很多单词(只有小写字母组成,不会有重复的单词出现),现在老师要他统计出以某个字符串为前缀的单词数量(单词本身也是自己的前…

Xor Sum Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 132768/132768 K (Java/Others) Total Submission(s): 1555    Accepted Submission(s): 657 Problem Description Zeus 和 Prometheus 做了一个游戏,Prometheus 给 Zeus 一个集合,集合中包含了N个正整数,随后 Prometheus 将向 Ze…

Hat's Words 题意:给出一张单词表求有多少个单词是由单词表里的两个单词组成,可以重复!按字典序输出这些单词. 思路:先建一个字典树,然后枚举每个单词,把每个单词任意拆分两部分然后查找. 目测数据不强,开始不知道单词长度都不敢下手了.. struct tree { bool f; tree *next[N]; tree() { for(int i=0;i<N;i++) next[i]=NULL; f=false; } }; void insert(tree *root,char *s)…