Find them, Catch them Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 36176 Accepted: 11090 Description The police office in Tadu City decides to say ends to the chaos, as launch actions to root up the TWO gangs in the city, Gang Drago…
题目地址:http://poj.org/problem?id=1703 Sample Input 1 5 5 A 1 2 D 1 2 A 1 2 D 2 4 A 1 4 Sample Output Not sure yet. In different gangs. In the same gang. 题目解读:T组数据,每组输入n m,n代表有n个人, m代表有m次操作.操作A x y:表示询问x y的关系是怎样的? 三中情况:不确定,属于同一个集合, 不属于同一个集合操作D x y:表示x y…
Description The police office in Tadu City decides to say ends to the chaos, as launch actions to root up the TWO gangs in the city, Gang Dragon and Gang Snake. However, the police first needs to identify which gang a criminal belongs to. The present…
POJ 2236 Wireless Network http://poj.org/problem?id=2236 题目大意: 给你N台损坏的电脑坐标,这些电脑只能与不超过距离d的电脑通信,但如果x和y均能C通信,则x和y可以通信.现在给出若干个操作, O p 代表修复编号为p的电脑 S p q代表询问p和q是不是能通信. 思路: 并查集即可.. 如果修复了一台电脑,则把与它相连距离不超过d的且修复了的放在一个集合里面. #include<cstdio> #include<cstring&…
Find them, Catch them Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 41463 Accepted: 12753 Description The police office in Tadu City decides to say ends to the chaos, as launch actions to root up the TWO gangs in the city, Gang Drago…