求连通分量 Sample Input2 //T5 3 //n m1 2// u v2 34 5 5 12 5 Sample Output24 # include <iostream> # include <cstdio> # include <cstring> # include <algorithm> # include <cmath> # include <queue> # define LL long long using na…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1213 Today is Ignatius' birthday. He invites a lot of friends. Now it's dinner time. Ignatius wants to know how many tables he needs at least. You have to notice that not all the friends know each other,…
How Many Tables Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Problem Description Today is Ignatius' birthday. He invites a lot of friends. Now it's dinner time. Ignatius wants to know how many tables he needs at…
本文参考了:洛谷p2024题解 题目描述 动物王国中有三类动物 A,B,C,这三类动物的食物链构成了有趣的环形.A 吃 B,B 吃 C,C 吃 A. 现有 N 个动物,以 1 - N 编号.每个动物都是 A,B,C 中的一种,但是我们并不知道 它到底是哪一种. 有人用两种说法对这 N 个动物所构成的食物链关系进行描述: 第一种说法是“1 X Y”,表示 X 和 Y 是同类. 第二种说法是“2 X Y”,表示 X 吃 Y . 此人对 N 个动物,用上述两种说法,一句接一句地说出 K 句话,这 K…