题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1247 Problem DescriptionA hat’s word is a word in the dictionary that is the concatenation of exactly two other words in the dictionary.You are to find all the hat’s words in a dictionary. InputStandard…

题目链接:pid=1247" target="_blank">http://acm.hdu.edu.cn/showproblem.php? pid=1247 Problem Description A hat's word is a word in the dictionary that is the concatenation of exactly two other words in the dictionary. You are to find all the h…

http://acm.hdu.edu.cn/showproblem.php?pid=1247 题意: 给出一些单词,问哪些单词可以正好由其他的两个单词首尾相连而成. 思路: 先将所有单独插入字典树,然后对于每一个单词,枚举它的分割点,去字典树中查找是否具有这两个单词. #include<iostream> #include<cstdio> #include<cstring> using namespace std; +; ]; ; struct Trie { ]; in…

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…

Hat’s Words Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 10993    Accepted Submission(s): 3944 Problem Description A hat’s word is a word in the dictionary that is the concatenation of exact…

题意: 给出一堆单词,如果有一个单词可以分成左右串两个单词,并且在所给的一堆单词中存在,就是hat词,统计所有这样的词,并按字典序输出. 思路: 注意定义,一个hat词可以被两部分已经存在的词组成,那么也可以是由两个相同的词组成,比如{abcabc,abc} 这样的abcabc也是满足条件的.解法,将所有的单词塞到一个哈希set中,遍历其中每个单词,对每个单词进行任意可能的拆解成两部分,在该set中找,如果两个部分都找到了,那么就成功.塞到另一个set中,最后将set中全部输出.…

Hat’s Words Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 13752    Accepted Submission(s): 4919 Problem Description A hat’s word is a word in the dictionary that is the concatenation of exactl…

Hat's Words Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 9574    Accepted Submission(s): 3421 Problem Description A hat's word is a word in the dictionary that is the concatenation of exactl…

Hat's Words Time Limit : 2000 / 1000 MS(Java / Others)    Memory Limit : 65536 / 32768 K(Java / Others) Total Submission(s) : 18969    Accepted Submission(s) : 6689 Problem Description A hat's word is a word in the dictionary that is the concatenatio…

题意:给一个字符串集,要你给出n个字符串s,使s能被所给字符串集中的两个相加所得(ahat=a+hat) 思路:简单字典树题,注意查询的时候要判断所指next是否为NULL,否则会RE非法访问. 代价: #include<cstdio> #include<cstring> #include<cstdlib> #include<queue> #include<cmath> #include<string> #include<sta…