D. Vasiliy's Multiset time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Author has gone out of the stories about Vasiliy, so here is just a formal task description. You are given q queries a…

题目链接: http://codeforces.com/contest/706/problem/D D. Vasiliy's Multiset time limit per test:4 secondsmemory limit per test:256 megabytes 问题描述 Author has gone out of the stories about Vasiliy, so here is just a formal task description. You are given q…

D. Vasiliy's Multiset time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Author has gone out of the stories about Vasiliy, so here is just a formal task description. You are given q queries a…

题目链接:Codeforces Round #367 (Div. 2) D. Vasiliy's Multiset 题意: 给你一些操作,往一个集合插入和删除一些数,然后?x让你找出与x异或后的最大值 题解: trie树xjb搞就行,每次要贪心,尽量满足高位为1. #include<bits/stdc++.h> #define F(i,a,b) for(int i=a;i<=b;i++) using namespace std; namespace trie { )*; ],ed=-,c…

Vasiliy's Multiset 题目链接: http://codeforces.com/contest/706/problem/D Description Author has gone out of the stories about Vasiliy, so here is just a formal task description. You are given q queries and a multiset A, initially containing only integer…

D. Vasiliy's Multiset time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Author has gone out of the stories about Vasiliy, so here is just a formal task description. You are given q queries a…

http://codeforces.com/contest/706/problem/D 题意:有多种操作,操作1为在字典中加入x这个数,操作2为从字典中删除x这个数,操作3为从字典中找出一个数使得与给定的数的异或值最大. 思路: 因为这道题目涉及到删除操作,所以用一个变量cnt来记录前缀的数量,加入时就+1,删除时就减1.查询时前缀数量>0时就说明是存在的. #include<iostream> #include<cstdio> #include<cstring>…

A.Beru-taxi 水题:有一个人站在(sx,sy)的位置,有n辆出租车,正向这个人匀速赶来,每个出租车的位置是(xi, yi) 速度是 Vi;求人最少需要等的时间: 单间循环即可: #include<iostream> #include<algorithm> #include<string.h> #include<stdio.h> #include<math.h> #include<vector> using namespace…

D. Acyclic Organic Compounds   You are given a tree T with n vertices (numbered 1 through n) and a letter in each vertex. The tree is rooted at vertex 1. Let's look at the subtree Tv of some vertex v. It is possible to read a string along each simple…

Hard problem 题目链接: http://codeforces.com/contest/706/problem/C Description Vasiliy is fond of solving different tasks. Today he found one he wasn't able to solve himself, so he asks you to help. Vasiliy is given n strings consisting of lowercase Engl…