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2016年8月21日

Codeforces Round #272 (Div. 2) A. Dreamoon and Stairs 水题

摘要： A. Dreamoon and Stairs 题目连接： http://www.codeforces.com/contest/476/problem/A Description Dreamoon wants to climb up a stair of n steps. He can climb 1 阅读全文

posted @ 2016-08-21 21:13 qscqesze 阅读(339) 评论(0) 推荐(0) 编辑

Codeforces Round #368 (Div. 2) E. Garlands 二维树状数组暴力

摘要： E. Garlands 题目连接： http://www.codeforces.com/contest/707/problem/E Description Like all children, Alesha loves New Year celebration. During the celebra 阅读全文

posted @ 2016-08-21 16:08 qscqesze 阅读(486) 评论(0) 推荐(0) 编辑

Codeforces Round #368 (Div. 2) D. Persistent Bookcase 离线暴力

摘要： D. Persistent Bookcase 题目连接： http://www.codeforces.com/contest/707/problem/D Description Recently in school Alina has learned what are the persistent 阅读全文

posted @ 2016-08-21 00:52 qscqesze 阅读(824) 评论(0) 推荐(3) 编辑

Codeforces Round #368 (Div. 2) C. Pythagorean Triples 数学

摘要： C. Pythagorean Triples 题目连接： http://www.codeforces.com/contest/707/problem/C Description Katya studies in a fifth grade. Recently her class studied ri 阅读全文

posted @ 2016-08-21 00:48 qscqesze 阅读(752) 评论(0) 推荐(0) 编辑

Codeforces Round #368 (Div. 2) B. Bakery 水题

摘要： B. Bakery 题目连接： http://www.codeforces.com/contest/707/problem/B Description Masha wants to open her own bakery and bake muffins in one of the n cities 阅读全文

posted @ 2016-08-21 00:45 qscqesze 阅读(364) 评论(0) 推荐(0) 编辑

Codeforces Round #368 (Div. 2) A. Brain's Photos 水题

摘要： A. Brain's Photos 题目连接： http://www.codeforces.com/contest/707/problem/A Description Small, but very brave, mouse Brain was not accepted to summer scho 阅读全文

posted @ 2016-08-21 00:32 qscqesze 阅读(252) 评论(0) 推荐(0) 编辑

2016年8月18日

BZOJ 4636: 蒟蒻的数列分块

摘要： 4636: 蒟蒻的数列题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=4636 Description 蒟蒻DCrusher不仅喜欢玩扑克，还喜欢研究数列题目描述 DCrusher有一个数列，初始值均为0，他进行N次操作，每次将数列[a 阅读全文

posted @ 2016-08-18 22:16 qscqesze 阅读(655) 评论(0) 推荐(0) 编辑

2016年8月17日

BZOJ 4610: [Wf2016]Ceiling Functi 水题

摘要： 4610: [Wf2016]Ceiling Functi 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=4610 Description 给出n个长度为k的数列，每个数列模拟堆的操作，问有多少种形态不同的堆。 Input 第一行包含两个数阅读全文

posted @ 2016-08-17 23:47 qscqesze 阅读(369) 评论(0) 推荐(0) 编辑

Codeforces Round #312 (Div. 2) E. A Simple Task 线段树

摘要： E. A Simple Task 题目连接： http://www.codeforces.com/contest/558/problem/E Description This task is very simple. Given a string S of length n and q querie 阅读全文

posted @ 2016-08-17 23:22 qscqesze 阅读(593) 评论(1) 推荐(0) 编辑

2016年8月16日

2013-2014 ACM-ICPC, NEERC, Southern Subregional Contest Problem L. Stock Trading Robot 水题

摘要： Problem L. Stock Trading Robot 题目连接： http://www.codeforces.com/gym/100253 Description CyberTrader is an all in one trading solution for investment ban 阅读全文

posted @ 2016-08-16 10:22 qscqesze 阅读(366) 评论(0) 推荐(0) 编辑

2013-2014 ACM-ICPC, NEERC, Southern Subregional Contest Problem I. Plugs and Sockets 费用流

摘要： Problem I. Plugs and Sockets 题目连接： http://www.codeforces.com/gym/100253 Description The Berland Regional Contest will be held in the main hall of the 阅读全文

posted @ 2016-08-16 10:19 qscqesze 阅读(517) 评论(0) 推荐(0) 编辑

2013-2014 ACM-ICPC, NEERC, Southern Subregional Contest Problem H. Password Service dp

摘要： Problem H. Password Service 题目连接： http://www.codeforces.com/gym/100253 Description Startups are here, startups are there. Startups are everywhere! Pol 阅读全文

posted @ 2016-08-16 10:16 qscqesze 阅读(402) 评论(0) 推荐(0) 编辑

2013-2014 ACM-ICPC, NEERC, Southern Subregional Contest Problem F. Judging Time Prediction 优先队列

摘要： Problem F. Judging Time Prediction 题目连接： http://www.codeforces.com/gym/100253 Description It is not easy to predict. Do you know that the modern weath 阅读全文

posted @ 2016-08-16 10:07 qscqesze 阅读(448) 评论(0) 推荐(0) 编辑

2013-2014 ACM-ICPC, NEERC, Southern Subregional Contest Problem D. Grumpy Cat 交互题

摘要： Problem D. Grumpy Cat 题目连接： http://www.codeforces.com/gym/100253 Description This problem is a little bit unusual. Here you are to implement an intera 阅读全文

posted @ 2016-08-16 09:55 qscqesze 阅读(461) 评论(0) 推荐(0) 编辑

2013-2014 ACM-ICPC, NEERC, Southern Subregional Contest Problem C. Equivalent Cards 计算几何

摘要： Problem C. Equivalent Cards 题目连接： http://www.codeforces.com/gym/100253 Description Jane is playing a game with her friends. They have a deck of round 阅读全文

posted @ 2016-08-16 09:51 qscqesze 阅读(426) 评论(0) 推荐(0) 编辑

2013-2014 ACM-ICPC, NEERC, Southern Subregional Contest Problem B. Travelling Camera Problem set贪心

摘要： Problem B. Travelling Camera Problem 题目连接： http://www.codeforces.com/gym/100253 Description Programming competitions become very popular in Berland. N 阅读全文

posted @ 2016-08-16 09:47 qscqesze 阅读(372) 评论(0) 推荐(0) 编辑

2016年8月14日

HDU 5839 Special Tetrahedron 计算几何

摘要： Special Tetrahedron 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5839 Description Given n points which are in three dimensional space(without repet 阅读全文

posted @ 2016-08-14 23:21 qscqesze 阅读(604) 评论(2) 推荐(2) 编辑

HDU 5840 This world need more Zhu 树链剖分+暴力

摘要： This world need more Zhu 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5840 Description As we all know, Zhu is the most powerful man. He has the inf 阅读全文

posted @ 2016-08-14 22:47 qscqesze 阅读(1790) 评论(0) 推荐(0) 编辑

HDU 5836 Rubik's Cube BFS

摘要： Rubik's Cube 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5836 Description As we all know, Zhu is the wisest man. When Liao was ninety nine years o 阅读全文

posted @ 2016-08-14 22:28 qscqesze 阅读(732) 评论(0) 推荐(1) 编辑

HDU 5834 Magic boy Bi Luo with his excited tree 树形DP

摘要： Magic boy Bi Luo with his excited tree 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5834 Description Bi Luo is a magic boy, he also has a migic tre 阅读全文

posted @ 2016-08-14 22:09 qscqesze 阅读(1697) 评论(0) 推荐(2) 编辑

HDU 5833 Zhu and 772002 高斯消元

摘要： Zhu and 772002 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5833 Description Zhu and 772002 are both good at math. One day, Zhu wants to test the a 阅读全文

posted @ 2016-08-14 21:55 qscqesze 阅读(674) 评论(0) 推荐(0) 编辑

HDU 5835 Danganronpa 贪心

摘要： Danganronpa 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5835 Description Chisa Yukizome works as a teacher in the school. She prepares many gifts, 阅读全文

posted @ 2016-08-14 21:28 qscqesze 阅读(695) 评论(1) 推荐(0) 编辑

HDU 5842 Lweb and String 水题

摘要： Lweb and String 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5842 Description Lweb has a string S. Oneday, he decided to transform this string to a 阅读全文

posted @ 2016-08-14 21:07 qscqesze 阅读(340) 评论(0) 推荐(0) 编辑

HDU 5832 A water problem 水题

摘要： A water problem 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5832 Description Two planets named Haha and Xixi in the universe and they were created 阅读全文

posted @ 2016-08-14 21:01 qscqesze 阅读(260) 评论(0) 推荐(0) 编辑

2016年8月13日

Codeforces Beta Round #14 (Div. 2) A. Letter 水题

摘要： A. Letter 题目连接： http://www.codeforces.com/contest/14/problem/A Description A boy Bob likes to draw. Not long ago he bought a rectangular graph (checke 阅读全文

posted @ 2016-08-13 11:37 qscqesze 阅读(457) 评论(0) 推荐(0) 编辑

Western Subregional of NEERC, Minsk, Wednesday, November 4, 2015 Problem K. UTF-8 Decoder 模拟题

摘要： Problem K. UTF 8 Decoder 题目连接： http://opentrains.snarknews.info/~ejudge/team.cgi?SID=c75360ed7f2c7022&all_runs=1&action=140 Description UTF 8 is a cha 阅读全文

posted @ 2016-08-13 01:59 qscqesze 阅读(337) 评论(0) 推荐(0) 编辑

Western Subregional of NEERC, Minsk, Wednesday, November 4, 2015 Problem I. Alien Rectangles 数学

摘要： Problem I. Alien Rectangles 题目连接： http://opentrains.snarknews.info/~ejudge/team.cgi?SID=c75360ed7f2c7022&all_runs=1&action=140 Description The spacecr 阅读全文

posted @ 2016-08-13 01:53 qscqesze 阅读(230) 评论(0) 推荐(0) 编辑

Western Subregional of NEERC, Minsk, Wednesday, November 4, 2015 Problem H. Parallel Worlds 计算几何

摘要： Problem H. Parallel Worlds 题目连接： http://opentrains.snarknews.info/~ejudge/team.cgi?SID=c75360ed7f2c7022&all_runs=1&action=140 Description Alex is a Ba 阅读全文

posted @ 2016-08-13 01:49 qscqesze 阅读(244) 评论(0) 推荐(0) 编辑

Western Subregional of NEERC, Minsk, Wednesday, November 4, 2015 Problem F. Turning Grille 暴力

摘要： Problem F. Turning Grille 题目连接： http://opentrains.snarknews.info/~ejudge/team.cgi?SID=c75360ed7f2c7022&all_runs=1&action=140 Description ‘Turning gril 阅读全文

posted @ 2016-08-13 01:22 qscqesze 阅读(269) 评论(0) 推荐(0) 编辑

Western Subregional of NEERC, Minsk, Wednesday, November 4, 2015 Problem C. Cargo Transportation 暴力

摘要： Problem C. Cargo Transportation 题目连接： http://opentrains.snarknews.info/~ejudge/team.cgi?SID=c75360ed7f2c7022&all_runs=1&action=140 Description The shi 阅读全文

posted @ 2016-08-13 01:17 qscqesze 阅读(195) 评论(0) 推荐(0) 编辑

Western Subregional of NEERC, Minsk, Wednesday, November 4, 2015 Problem G. k-palindrome dp

摘要： Problem G. k palindrome 题目连接： http://opentrains.snarknews.info/~ejudge/team.cgi?SID=c75360ed7f2c7022&all_runs=1&action=140 Description We will say tha 阅读全文

posted @ 2016-08-13 01:10 qscqesze 阅读(239) 评论(0) 推荐(1) 编辑

Western Subregional of NEERC, Minsk, Wednesday, November 4, 2015 Problem A. A + B

摘要： Problem A. A + B 题目连接： http://opentrains.snarknews.info/~ejudge/team.cgi?SID=c75360ed7f2c7022&all_runs=1&action=140 Description Kastus recently got to 阅读全文

posted @ 2016-08-13 01:02 qscqesze 阅读(205) 评论(0) 推荐(0) 编辑

2016年8月11日

hdu 5828 Rikka with Sequence 线段树

摘要： Rikka with Sequence 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5828 Description As we know, Rikka is poor at math. Yuta is worrying about this si 阅读全文

posted @ 2016-08-11 23:18 qscqesze 阅读(684) 评论(2) 推荐(0) 编辑

hdu 5821 Ball 贪心

摘要： Ball 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5821 Description ZZX has a sequence of boxes numbered 1,2,...,n. Each box can contain at most one 阅读全文

posted @ 2016-08-11 23:02 qscqesze 阅读(340) 评论(0) 推荐(0) 编辑

hdu 5826 physics 物理题

摘要： physics 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5826 Description There are n balls on a smooth horizontal straight track. The track can be con 阅读全文

posted @ 2016-08-11 22:56 qscqesze 阅读(322) 评论(0) 推荐(0) 编辑

hdu 5831 Rikka with Parenthesis II 线段树

摘要： Rikka with Parenthesis II 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5831 Description As we know, Rikka is poor at math. Yuta is worrying about t 阅读全文

posted @ 2016-08-11 22:51 qscqesze 阅读(411) 评论(1) 推荐(0) 编辑

2016年8月10日

模板树上求LCA 倍增和树链剖分

摘要： //233 模板 LCA void dfs(int x,int f){ for(int i=0;i=0;i ) { if(ddeep[y])swap(x,y); y=up(y,deep[y] deep[x]); if(x==y)return x; for(int i=maxm 1;i =0;i ) 阅读全文

posted @ 2016-08-10 09:41 qscqesze 阅读(423) 评论(0) 推荐(0) 编辑

2016年8月9日

HDU 5813 Elegant Construction 构造

摘要： Elegant Construction 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5813 Description Being an ACMer requires knowledge in many fields, because proble 阅读全文

posted @ 2016-08-09 18:47 qscqesze 阅读(323) 评论(0) 推荐(1) 编辑

HDU 5810 Balls and Boxes 数学

摘要： Balls and Boxes 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5810 Description Mr. Chopsticks is interested in random phenomena, and he conducts an 阅读全文

posted @ 2016-08-09 18:31 qscqesze 阅读(384) 评论(0) 推荐(0) 编辑

2010-2011 ACM-ICPC, NEERC, Moscow Subregional Contest Problem K. KMC Attacks 交互题暴力

摘要： Problem K. KMC Attacks 题目连接： http://codeforces.com/gym/100714 Description Warrant VI is a remote planet located in the Koprulu Sector. Warrant VI feat 阅读全文

posted @ 2016-08-09 11:01 qscqesze 阅读(373) 评论(0) 推荐(0) 编辑

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