Coach Pang and Uncle Yang both love numbers. Every morning they play a game with number together. In each game the following will be done: 1. Coach Pang randomly choose a integer x in [a, b] with equal probability. 2. Uncle Yang randomly choose a i…
免费送气球 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 566 Accepted Submission(s): 129 Problem Description 又到了GDUT一年一度的程序设计竞赛校赛的时间啦.同学们只要参加校赛,并且每解出一道题目就可以免费获得由ACM协会和集训队送出的气球一个.听到这个消息,JMC也想参加免费…
Fang Fang says she wants to be remembered. I promise her. We define the sequence FF of strings. F0 = ‘‘f",F0 = ‘‘f", F1 = ‘‘ff",F1 = ‘‘ff", F2 = ‘‘cff",F2 = ‘‘cff", Fn = Fn−1 + ‘‘f", for n > 2Fn = Fn−1 + ‘‘f", fo…
HDU 1029 Ignatius and the Princess IV (思维题,排序?) Description "OK, you are not too bad, em... But you can never pass the next test." feng5166 says. "I will tell you an odd number N, and then N integers. There will be a special integer among t…
pid=5325">http://acm.hdu.edu.cn/showproblem.php? pid=5325 Problem Description Bobo has a tree,whose vertices are conveniently labeled by 1,2,...,n.Each node has a weight wi. All the weights are distrinct. A set with m nodes v1,v2,...,vm is a Bobo…
