随笔分类 -  。。。数论~~数学

摘要:More DivisorsTime Limit: 2 Seconds Memory Limit: 65536 KBEverybody knows that we use decimal notation, i.e. the base of our notation is 10. Historians... 阅读全文
posted @ 2015-12-03 20:40 handsomecui 阅读(277) 评论(0) 推荐(0) 编辑
摘要:CodeForces - 27ENumber With The Given Amount Of DivisorsSubmitStatusDescriptionGiven the numbern, find the smallest positive integer which has exactly... 阅读全文
posted @ 2015-12-03 20:14 handsomecui 阅读(722) 评论(0) 推荐(0) 编辑
摘要:http://www.cnblogs.com/AOQNRMGYXLMV/p/4065628.html一、莫比乌斯(Möbius)函数 对于每个正整数n(n ≥ 2),设它的质因数分解式为: 根据这个式子定义n的莫比乌斯函数为: 也就是如果n有平方因子,则为0. 否则是-1的质因数个数次... 阅读全文
posted @ 2015-11-25 17:02 handsomecui 阅读(395) 评论(0) 推荐(0) 编辑
摘要:简单的求和Time Limit:1 SecMemory Limit:128 MB Submit:130Solved:20SubmitStatusWeb BoardDescription定义f(i)代表i的所有因子和(包括1和i),给定一个l,r。求f(l)+f(l+1)+...+f(r)。Input... 阅读全文
posted @ 2015-11-22 14:19 handsomecui 阅读(469) 评论(0) 推荐(0) 编辑
摘要:New~ 欢迎参加——计算机学院大学生程序设计竞赛(新生为主) 吉哥系列故事——礼尚往来Time Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 1265Ac... 阅读全文
posted @ 2015-11-15 17:58 handsomecui 阅读(620) 评论(0) 推荐(0) 编辑
摘要:区域赛系列一多边形划分时间限制:1000 ms | 内存限制:65535 KB难度:2描述Give you a convex(凸边形), diagonal n-3 disjoint divided into n-2 triangles(直线), for different number of met... 阅读全文
posted @ 2015-11-13 22:18 handsomecui 阅读(1513) 评论(0) 推荐(0) 编辑
摘要:1369 - Answering QueriesPDF (English)StatisticsForumTime Limit:3 second(s)Memory Limit:32 MBThe problem you need to solve here is pretty simple. You a... 阅读全文
posted @ 2015-11-08 14:04 handsomecui 阅读(613) 评论(0) 推荐(0) 编辑
摘要:不容易系列之一Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 17475Accepted Submission(s): 7284 Problem ... 阅读全文
posted @ 2015-11-07 11:14 handsomecui 阅读(534) 评论(0) 推荐(0) 编辑
摘要:PagodasTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 24Accepted Submission(s): 22Problem Descrip... 阅读全文
posted @ 2015-11-01 19:52 handsomecui 阅读(714) 评论(0) 推荐(0) 编辑
摘要:Intersecting LinesTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 12844Accepted: 5703DescriptionWe all know that a pair of distinct points on... 阅读全文
posted @ 2015-10-30 11:26 handsomecui 阅读(351) 评论(0) 推荐(0) 编辑
摘要:C LooooopsTime Limit : 2000/1000ms (Java/Other)Memory Limit : 131072/65536K (Java/Other)Total Submission(s) : 10Accepted Submission(s) : 3Problem Desc... 阅读全文
posted @ 2015-10-29 22:01 handsomecui 阅读(1167) 评论(0) 推荐(0) 编辑
摘要:IntersectionTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 13140Accepted: 3424DescriptionYou are to write a program that has to decide wheth... 阅读全文
posted @ 2015-10-29 19:01 handsomecui 阅读(368) 评论(0) 推荐(0) 编辑
摘要:RomanticTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3944Accepted Submission(s): 1638Problem De... 阅读全文
posted @ 2015-10-25 13:34 handsomecui 阅读(300) 评论(0) 推荐(0) 编辑
摘要:A/BTime Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3340Accepted Submission(s): 2534Problem Descrip... 阅读全文
posted @ 2015-10-25 12:59 handsomecui 阅读(298) 评论(0) 推荐(0) 编辑
摘要:青蛙的约会Time Limit: 1000MSMemory Limit: 10000KTotal Submissions: 99567Accepted: 18976Description两 只青蛙在网上相识了,它们聊得很开心,于是觉得很有必要见一面。它们很高兴地发现它们住在同一条纬度线上,于是它们约... 阅读全文
posted @ 2015-10-25 11:48 handsomecui 阅读(286) 评论(0) 推荐(0) 编辑
摘要:One Person GameTime Limit: 2 Seconds Memory Limit: 65536 KBThere is an interesting and simple one person game. Suppose there is a number axis under... 阅读全文
posted @ 2015-10-25 11:12 handsomecui 阅读(306) 评论(0) 推荐(0) 编辑
摘要:Modular InverseTime Limit: 2 Seconds Memory Limit: 65536 KBThe modular modular multiplicative inverse of an integer a modulo m is an integer x such... 阅读全文
posted @ 2015-10-25 09:32 handsomecui 阅读(3017) 评论(0) 推荐(0) 编辑
摘要:B - 楼下水题 Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64uSubmit Status Practice CodeForces 7CDescriptionA line on the plane is de... 阅读全文
posted @ 2015-10-24 22:00 handsomecui 阅读(294) 评论(0) 推荐(0) 编辑
摘要:1148 - Mad Counting PDF (English) Statistics Forum Time Limit: 0.5 second(s)Memory Limit: 32 MBMob was hijacked by the mayor of the Town "TruthTown"... 阅读全文
posted @ 2015-10-24 20:45 handsomecui 阅读(309) 评论(0) 推荐(0) 编辑
摘要:连接:http://blog.csdn.net/zhjchengfeng5/article/details/7786595扩展欧几里德算法 谁是欧几里德?自己百度去 先介绍什么叫做欧几里德算法 有两个数 a b,现在,我们要求 a b 的最大公约数,怎么求?枚举他们的因子?不现实,当 a b ... 阅读全文
posted @ 2015-10-24 20:37 handsomecui 阅读(365) 评论(0) 推荐(0) 编辑