Problem Description MCA山中人才辈出,洞悉外界战火纷纷,山中各路豪杰决定出山拯救百姓于水火,曾以题数扫全场的威士忌,曾经高数九十九的天外来客,曾以一剑铸十年的亦纷菲,歃血为盟,盘踞全国各个要塞(简称全国赛)遇敌杀敌,遇佛杀佛,终于击退辽军,暂时平定外患,三人位置也处于稳态. 可惜辽誓不甘心,辽国征南大将军<耶律javac++>欲找出三人所在逐个击破,现在他发现威士忌的位置s,天外来客的位置u,不过很难探查到亦纷菲v所在何处,只能知道三人满足关系: arctan(1/s)…
King's Game 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5643 Description In order to remember history, King plans to play losephus problem in the parade gap.He calls n(1≤n≤5000) soldiers, counterclockwise in a circle, in label 1,2,3...n. The firs…
Saving HDU Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 7194 Accepted Submission(s): 3345 Problem Description 话说上回讲到海东集团面临内外交困,公司的元老也只剩下XHD夫妇二人了.显然,作为多年拼搏的商人,XHD不会坐以待毙的. 一天,当他正在苦思冥想解困良策的…
http://acm.hdu.edu.cn/showproblem.php?pid=3037 Lucas定理模板. 现在才写,noip滚粗前兆QAQ #include<cstdio> #include<cstring> #include<algorithm> using namespace std; typedef long long ll; int jc[100003]; int p; int ipow(int x, int b) { ll t = 1, w = x;…