POJ1733 Parity game Description Now and then you play the following game with your friend. Your friend writes down a sequence consisting of zeroes and ones. You choose a continuous subsequence (for example the subsequence from the third to the fifth…

POJ1733 Parity game Description Now and then you play the following game with your friend. Your friend writes down a sequence consisting of zeroes and ones. You choose a continuous subsequence (for example the subsequence from the third to the fifth…

[POJ1733]Parity game 题面 vjudge 题解 比较简单的分类并查集 将一个查询操作看作前缀和\(s_r-s_{l-1}\)的奇偶性 将每个点拆成一奇一偶然后分别连边即可 如果一个点的奇点和偶点被连在一起了就判无解即可 代码 #include <iostream> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include…

http://poj.org/problem?id=1733 (题目链接) 题意 一个由0,1组成的序列,每次给出一段区间的奇偶,问哪一条信息不合法. Solution 并查集. 题目中序列的长度有很大,单纯搜索一定会TLE. 我们用s[i]表示前i个数的前缀和,那么a b even意味着s[b]和s[a-1]的奇偶性相同.a b odd意味着s[b]与s[a-1]的奇偶性不同.于是我们根据奇偶性的不同,用并查集依次处理他们之间的关系.当某条信息出现与并查集中记录的信息不符合时,则此信息不合法.…

Description Now and then you play the following game with your friend. Your friend writes down a sequence consisting of zeroes and ones. You choose a continuous subsequence (for example the subsequence from the third to the fifth digit inclusively) a…

题意 Language:Default Parity game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 13833 Accepted: 5303 Description Now and then you play the following game with your friend. Your friend writes down a sequence consisting of zeroes and ones. Y…

描述 Now and then you play the following game with your friend. Your friend writes down a sequence consisting of zeroes and ones. You choose a continuous subsequence (for example the subsequence from the third to the fifth digit inclusively) and ask hi…

Parity Game Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 12853   Accepted: 4957 题目链接:http://poj.org/problem?id=1733 Description: Now and then you play the following game with your friend. Your friend writes down a sequence consisting…

题目链接:http://poj.org/problem?id=1733 Parity game Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9806   Accepted: 3795 Description Now and then you play the following game with your friend. Your friend writes down a sequence consisting of…

Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 15776   Accepted: 5964 Description Now and then you play the following game with your friend. Your friend writes down a sequence consisting of zeroes and ones. You choose a continuous subse…