随笔分类 -  其他 二分

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Codeforces Round #603 (Div. 2) C. Everyone is a Winner! 二分
摘要：C. Everyone is a Winner! On the well known testing system MathForces, a draw of n rating units is arranged. The rating will be distributed according t 阅读全文
posted @ 2019-11-30 11:30 qscqesze 阅读(732) 评论(0) 推荐(0) 编辑
Codeforces Round #602 (Div. 2, based on Technocup 2020 Elimination Round 3) E. Arson In Berland Forest 二分 前缀和
摘要：E. Arson In Berland Forest The Berland Forest can be represented as an infinite cell plane. Every cell contains a tree. That is, contained before the 阅读全文
posted @ 2019-11-24 23:17 qscqesze 阅读(467) 评论(0) 推荐(0) 编辑
Codeforces Round #404 (Div. 2) C. Anton and Fairy Tale 二分
摘要：C. Anton and Fairy Tale 题目连接： http://codeforces.com/contest/785/problem/C Description Anton likes to listen to fairy tales, especially when Danik, Ant 阅读全文
posted @ 2017-03-17 10:37 qscqesze 阅读(767) 评论(1) 推荐(0) 编辑
Codeforces Round #379 (Div. 2) C. Anton and Making Potions 枚举+二分
摘要：C. Anton and Making Potions 题目连接： http://codeforces.com/contest/734/problem/C Description Anton is playing a very interesting computer game, but now h 阅读全文
posted @ 2016-11-16 13:49 qscqesze 阅读(394) 评论(0) 推荐(0) 编辑
Codeforces Round #371 (Div. 2) D. Searching Rectangles 交互题 二分
摘要：D. Searching Rectangles 题目连接： http://codeforces.com/contest/714/problem/D Description Filya just learned new geometry object — rectangle. He is given 阅读全文
posted @ 2016-09-15 11:30 qscqesze 阅读(557) 评论(0) 推荐(0) 编辑
Codeforces Round #281 (Div. 2) C. Vasya and Basketball 二分
摘要：C. Vasya and Basketball 题目连接： http://codeforces.com/contest/493/problem/C Description Vasya follows a basketball game and marks the distances from whi 阅读全文
posted @ 2016-09-06 01:34 qscqesze 阅读(295) 评论(0) 推荐(0) 编辑
Codeforces Round #361 (Div. 2) D. Friends and Subsequences 二分
摘要：D. Friends and Subsequences 题目连接： http://www.codeforces.com/contest/689/problem/D Description Mike and !Mike are old childhood rivals, they are opposi 阅读全文
posted @ 2016-07-07 19:43 qscqesze 阅读(481) 评论(0) 推荐(2) 编辑
Codeforces Round #361 (Div. 2) C. Mike and Chocolate Thieves 二分
摘要：C. Mike and Chocolate Thieves 题目连接： http://www.codeforces.com/contest/689/problem/C Description Bad news came to Mike's village, some thieves stole a 阅读全文
posted @ 2016-07-07 15:59 qscqesze 阅读(483) 评论(0) 推荐(0) 编辑
HDU 5715 XOR 游戏 二分+字典树
摘要：XOR 游戏 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5715 Description 众所周知，度度熊喜欢XOR运算 "（XOR百科）" 。 今天，它发明了一种XOR新游戏，最开始，它有一个长度为N的数组，度度熊可以任意添加分割线，将数组划分 阅读全文
posted @ 2016-06-01 09:29 qscqesze 阅读(684) 评论(0) 推荐(1) 编辑
Codeforces Round #222 (Div. 1) B. Preparing for the Contest 二分+线段树
摘要：B. Preparing for the Contest 题目连接： http://codeforces.com/contest/377/problem/B Description Soon there will be held the world's largest programming con 阅读全文
posted @ 2016-05-30 09:20 qscqesze 阅读(319) 评论(0) 推荐(0) 编辑
Codeforces Round #354 (Div. 2) C. Vasya and String 二分
摘要：C. Vasya and String 题目连接： http://www.codeforces.com/contest/676/problem/C Description High school student Vasya got a string of length n as a birthday 阅读全文
posted @ 2016-05-26 15:40 qscqesze 阅读(485) 评论(0) 推荐(0) 编辑
HDU 5699 货物运输 二分
摘要：货物运输 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5699 Description 公元2222年，l国发生了一场战争。 小Y负责领导工人运输物资。 其中有m种物资的运输方案，每种运输方案形如li,ri。表示存在一种货物从li运到ri。 这里有 阅读全文
posted @ 2016-05-24 10:02 qscqesze 阅读(481) 评论(0) 推荐(0) 编辑
HDU 5682 zxa and leaf 二分 树形dp
摘要：zxa and leaf 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5682 Description zxa have an unrooted tree with n nodes, including (n−1) undirected edges 阅读全文
posted @ 2016-05-15 18:48 qscqesze 阅读(389) 评论(0) 推荐(0) 编辑
Codeforces Round #352 (Div. 1) B. Robin Hood 二分
摘要：B. Robin Hood 题目连接： http://www.codeforces.com/contest/671/problem/B Description We all know the impressive story of Robin Hood. Robin Hood uses his ar 阅读全文
posted @ 2016-05-12 22:21 qscqesze 阅读(499) 评论(0) 推荐(0) 编辑
Codeforces Round #350 (Div. 2) D1. Magic Powder - 1 二分
摘要：D1. Magic Powder 1 题目连接： http://www.codeforces.com/contest/670/problem/D1 Description This problem is given in two versions that differ only by constr 阅读全文
posted @ 2016-05-06 15:24 qscqesze 阅读(839) 评论(0) 推荐(0) 编辑
Educational Codeforces Round 11 C. Hard Process 二分
摘要：C. Hard Process 题目连接： http://www.codeforces.com/contest/660/problem/C Description You are given an array a with n elements. Each element of a is eithe 阅读全文
posted @ 2016-04-10 09:27 qscqesze 阅读(423) 评论(0) 推荐(0) 编辑
URAL 1998 The old Padawan 二分
摘要：The old Padawan 题目连接： http://acm.timus.ru/problem.aspx?space=1&num=1998 Description Yoda: Use the Force. Yes. Now, the stone. Feel it. Concentrate! Lu 阅读全文
posted @ 2016-04-08 23:06 qscqesze 阅读(256) 评论(0) 推荐(0) 编辑
HDU 5652 India and China Origins 二分+并查集
摘要：India and China Origins 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5652 Description A long time ago there are no himalayas between India and Chin 阅读全文
posted @ 2016-03-26 23:23 qscqesze 阅读(336) 评论(0) 推荐(0) 编辑
HDU 5649 DZY Loves Sorting 二分+线段树
摘要：DZY Loves Sorting 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5649 Description DZY has a sequence a[1..n]. It is a permutation of integers 1∼n. No 阅读全文
posted @ 2016-03-23 15:36 qscqesze 阅读(540) 评论(0) 推荐(0) 编辑
HDU 5646 DZY Loves Partition 数学 二分
摘要：DZY Loves Partition 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5646 Description DZY loves partitioning numbers. He wants to know whether it is po 阅读全文
posted @ 2016-03-23 11:12 qscqesze 阅读(460) 评论(0) 推荐(1) 编辑

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