统计难题 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131070/65535 K (Java/Others) Total Submission(s): 18759    Accepted Submission(s): 8289 Problem Description Ignatius近期遇到一个难题,老师交给他非常多单词(仅仅有小写字母组成,不会有反复的单词出现),如今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…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1251 思路分析:该问题要求求出以某个字符串为前缀的单词数目,通过使用字典树,在字典树中添加count记录通过该结点的单词数目即可: 查找时找到前缀的最后一个单词的结点的count值即为所求: 代码如下: #include <cstdio> #include <cstring> #include <iostream> using namespace std; ; ; stru…

# include <stdio.h> # include <algorithm> # include <string> # include <map> # include <iostream> using namespace std; int main() { char a; string x; map<string,int>q; while(true) { scanf("%c",&a); if(a=='…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1251 统计难题 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131070/65535 K (Java/Others)Total Submission(s): 25233    Accepted Submission(s): 10347 Problem Description Ignatius最近遇到一个难题,老师交给他很多单词(只有…

http://acm.hdu.edu.cn/showproblem.php?pid=1251 统计难题 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131070/65535 K (Java/Others)Total Submission(s): 21236    Accepted Submission(s): 9145 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…

pid=1251">统计难题 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131070/65535 K (Java/Others) Total Submission(s): 22182    Accepted Submission(s): 9391 Problem Description Ignatius近期遇到一个难题,老师交给他非常多单词(仅仅有小写字母组成,不会有反复的单词出现),如今老师要他统计出以某个字符串为前缀…

<题目链接> 统计难题                        Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131070/65535 K (Java/Others)                                        Total Submission(s): 49723    Accepted Submission(s): 17567 Problem Description Ignatius最近…

统计难题 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131070/65535 K (Java/Others) Total Submission(s): 34909    Accepted Submission(s): 13109 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…

/******************************************************* 题目: 统计难题 (hdu 1251) 链接: http://acm.hdu.edu.cn/showproblem.php?pid=1251 算法: 字典树 提示: 这题压要用c++提交,G++会超内存 *******************************************************/ #include<cstdio> #include<cstr…

统计难题 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131070/65535 K (Java/Others)Total Submission(s): 41119    Accepted Submission(s): 14848 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…