Description 从前有一个策略游戏, 叫做 蚂蚁上树 游戏中有一棵 nn 个节点, 以 11 为根的有根树 初始始每个节点都为空, 游戏系统会进行两种操作 : 1 x , 表示往 xx 节点放入一只睡眠状态中的蚂蚁 2 x , 表示从 xx 节点取出一只睡眠状态中的蚂蚁 (对于操作2, 保证取出前该点至少有一只蚂蚁) 每次操作后, 玩家要进行一轮游戏 : 游戏有无穷的时间, 每一时刻, 系统会 依次执行 下述五个操作 1) 让玩家选择 任意多只(可以为 0 只) 睡眠状态中的蚂蚁 2)…

E. Ants in Leaves 题目连接: http://www.codeforces.com/contest/622/problem/E Description Tree is a connected graph without cycles. A leaf of a tree is any vertex connected with exactly one other vertex. You are given a tree with n vertices and a root in t…

Young naturalist Bill studies ants in school. His ants feed onplant-louses that live on apple trees. Each ant colony needsits own apple tree to feed itself.Bill has a map with coordinates of n ant colonies and napple trees. He knows that ants travel…

KM   构图求最小权值匹配 保证最小的权值,所连的边一定是能够不相交的. Ants Time Limit: 3000MS   Memory Limit: Unknown   64bit IO Format: %lld & %llu [Submit]   [Go Back]   [Status] Description Young naturalist Bill studies ants in school. His ants feed on plant-louses that live on…

Ants Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 4125   Accepted: 1258   Special Judge Description Young naturalist Bill studies ants in school. His ants feed on plant-louses that live on apple trees. Each ant colony needs its own ap…

                                                                                  Ants Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 3539   Accepted: 1064   Special Judge Description Young naturalist Bill studies ants in school. His an…

[poj3565]Ants 标签(空格分隔):二分图 描述 Young naturalist Bill studies ants in school. His ants feed on plant-louses that live on apple trees. Each ant colony needs its own apple tree to feed itself. Bill has a map with coordinates of n ant colonies and n apple…

传送门:http://poj.org/problem?id=3565 Ants Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 7650   Accepted: 2424   Special Judge Description Young naturalist Bill studies ants in school. His ants feed on plant-louses that live on apple tree…

Description Young naturalist Bill studies ants in school. His ants feed on plant-louses that live on apple trees. Each ant colony needs its own apple tree to feed itself. Bill has a map with coordinates of n ant colonies and n apple trees. He knows t…

Ants Time Limit: 20000/10000 MS (Java/Others)    Memory Limit: 327680/327680 K (Java/Others) Total Submission(s): 1324    Accepted Submission(s): 289 Problem Description There are some apple trees in a farm. An apple tree can be described as a connec…