uva 11488 Hyper Prefix Sets(狂水)】的更多相关文章

题意: 获得集合中最长前缀长度*有该前缀个数的最大值 Prefix goodness of a set string is length of longest common prefix*number of strings in the set. For example the prefix goodness of the set {000,001,0011} is 6.You are given a set of binary strings. Find the maximum prefix…
http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2483 Hyper Prefix Sets Prefix goodness of a set string islength of longest common prefix*number of strings in the set.For example the prefix goodnes…
H Hyper Prefix Sets Prefix goodness of a set string is length of longest common prefix*number of strings in the set. For example the prefix goodness of the set {000,001,0011} is 6.You are given a set of binary strings. Find the maximum prefix goodnes…
题目链接:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2483 组织一棵Trie 记录每个节点有多少串经过 统计最大值 由于只出现0,1,于是建立一个字典树,每一次到达一个节点,就在这个节点加上深度,然后ans求解最大的节点附加值就可以了.注意初始化 #include <iostream> #include <algo…
https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2483 给定一个字符串集合S, 定义P(S)为所有字符串的公共前缀长度与S中字符串个数的乘积, 例如P{000, 001, 0011} = 6, 现在给出n个只包含字符01的串(n <= 50000), 从中选出一个子集合S, 使得P(S)最大, 求最大值 #include <i…
找 前缀长度*符合该前缀的字符串数 的最大值 顺便练了一下字典树的模板 #include <iostream> #include <cstdio> #include <cstring> #include <cstdlib> using namespace std; struct trie{ trie *next[]; int index;//数量 }; inline trie* newnode() { trie *t; t=(trie*)malloc(siz…
1.给n个只含0.1的串,求出这些串中前缀的最大和. 例1: 0000 0001 10101 010 结果:6(第1.2串共有000,3+3=6) 例2: 01010010101010101010 11010010101010101010 结果:20(第1串的长度为20) 2.用trie树(字典树)来做,插入的时候统计前缀出现次数,并更新最大前缀和(前缀出现次数*前缀长度). 3. #include<iostream> #include<stdio.h> #include<s…
H Hyper Prefix Sets Prefix goodness of a set string is length of longest common prefix*number of strings in the set. For example the prefix goodness of the set {000,001,0011} is 6.You are given a set of binary strings. Find the maximum prefix goodnes…
uva11488:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=2483 题意:给你n个串,对于一个前缀,如果出现k次,就会得到前缀的长度*k,现在让你求长度*k的最大值. 题解:用trie树来搞.把每个串插入到trie中,记录每个子串出现的次数以及长度,trie树很容易实现,然后插完之后,把每个节点遍历一遍…
H Hyper Prefix Sets Prefix goodness of a set string is length of longest common prefix*number of strings in the set. For example the prefix goodness of the set {000,001,0011} is 6.You are given a set of binary strings. Find the maximum prefix goodnes…