题目链接:http://www.lydsy.com/JudgeOnline/problem.php?id=3943 题意: 有n只队伍,每个队伍有一个编号a[i]. 每场比赛有两支队伍参加,然后选一支队伍淘汰.共进行n-1场比赛,然后比赛结束. 若某场比赛是队伍i和j参加,则该场比赛的得分为a[i] xor a[j]. 问最大的总得分. 题解: 每两支队伍(i,j)连一条边,边权为a[i] xor a[j]. 然后求最大生成树即可. AC Code: #include <iostream> #…
Code: // luogu-judger-enable-o2 #include<bits/stdc++.h> #define setIO(s) freopen(s".in","r",stdin) #define maxn 4100000 #define ll long long using namespace std; int u[maxn],v[maxn],p[3000],A[maxn]; ll arr[3000],val[maxn]; int n,…
[BZOJ3943][Usaco2015 Feb]SuperBull Description Bessie and her friends are playing hoofball in the annual Superbull championship, and Farmer John is in charge of making the tournament as exciting as possible. A total of N (1 <= N <= 2000) teams are p…
3943: [Usaco2015 Feb]SuperBull Time Limit: 10 Sec  Memory Limit: 128 MBSubmit: 300  Solved: 185 Description Bessie and her friends are playing hoofball in the annual Superbull championship, and Farmer John is  in charge of making the tournament as ex…
[BZOJ3943][Usaco2015 Feb]SuperBull Description Bessie and her friends are playing hoofball in the annual Superbull championship, and Farmer John is in charge of making the tournament as exciting as possible. A total of N (1 <= N <= 2000) teams are p…
3940: [Usaco2015 Feb]Censoring Time Limit: 10 Sec  Memory Limit: 128 MBSubmit: 367  Solved: 173[Submit][Status][Discuss] Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty  of materia…
3940: [Usaco2015 Feb]Censoring Time Limit: 10 Sec  Memory Limit: 128 MB Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty  of material to read while waiting around in the barn during…
3942: [Usaco2015 Feb]Censoring Description Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty of material to read while waiting around in the barn during milking sessions. Unfortunately, the late…
题目描述 Bessie and her friends are playing hoofball in the annual Superbull championship, and Farmer John isin charge of making the tournament as exciting as possible. A total of N (1 <= N <= 2000) teams areplaying in the Superbull. Each team is assign…
题目链接:BZOJ - 3942 题目分析 我们发现,删掉一段 T 之后,被删除的部分前面的一段可能和后面的一段连接起来出现新的 T . 所以我们删掉一段 T 之后应该接着被删除的位置之前的继续向后匹配. 那么我们维护一个栈,一直向后匹配,如果栈顶出现了 T ,就弹出 T 个字符,然后继续从新的栈顶向后匹配就可以了. 匹配使用 KMP 算法. 代码 #include <iostream> #include <cstdio> #include <cstring> #inc…