大意:输入几个字符串,然后再输入几个字符串,看第一次输入的字符串有多少没有在后面的字符串中出现(后输入的字符串不一定出现在之前的字符串中) #include <stdio.h> #include <string.h> #include <stdlib.h> typedef struct Node { int flag; struct Node *next[26]; }Node,*Tree; char a[20010][20]; int n,m; void Creat(T…

                                                                                  Message Flood Time Limit:1500MS     Memory Limit:65536KB     64bit IO Format:%lld & %llu     Description Well, how do you feel about mobile phone? Your answer would pro…

本来想找\(01Trie\)的结果找到了一堆字典树水题...算了算了当水个提交量好了. 直接插入模式串,维护一个\(Trie\)树的子树\(sum\)大小,求解每一个文本串匹配时走过的链上匹配数和终点处的子树大小之和. #include <bits/stdc++.h> using namespace std; int top, sta[10010]; int n, m, l, s[10010], max_size; int ch[500010][2], sz[500010], sum[5000…

传送门 看到前缀就要想到字典树! 看到前缀就要想到字典树! 看到前缀就要想到字典树! #include <cstdio> #include <iostream> #define N 500001 int n, m, k, cnt; int a[N], val[N], num[N], next[N][2]; inline int read() { int x = 0, f = 1; char ch = getchar(); for(; !isdigit(ch); ch = getch…

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…

以前做过的用的字典树,可是貌似现在再用超内存....求解释... 问了LYN用的map函数做的,又去小小的学了map函数.... http://wenku.baidu.com/view/0b08cece05087632311212ba.html感觉这个写的挺详细的 http://wenku.baidu.com/view/d140cfcca1c7aa00b52acb46.html这个的话挺有意思,帮助理解 题目描述 Well, how do you feel about mobile phone?…

题目链接:http://bailian.openjudge.cn/practice/1451/ 总时间限制: 1000ms 内存限制: 65536kB 描述 Background A while ago it was quite cumbersome to create a message for the Short Message Service (SMS) on a mobile phone. This was because you only have nine keys and the…

1.概述 Trie树,又称字典树,单词查找树或者前缀树,是一种用于快速检索的多叉树结构,如英文字母的字典树是一个26叉树,数字的字典树是一个10叉树. 我理解字典树是看了这位大佬博客.还不了解字典树的可以先进去学习一下 https://www.cnblogs.com/TheRoadToTheGold/p/6290732.html 还有这个讲了下为什么用字典树,和其他的相比优缺点在哪 https://www.cnblogs.com/Allen-rg/p/7128518.html 现在来个题来更进一…

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=109 Language of FatMouse Time Limit: 10 Seconds      Memory Limit: 32768 KB We all know that FatMouse doesn't speak English. But now he has to be prepared since our nation will join WTO soon.…

T9 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2747    Accepted Submission(s): 1029 Problem Description A while ago it was quite cumbersome to create a message for the Short Message Service…