hxtscjk-CSDN博客

原创 ACM退役贴：旅程

退役的这天，训练室依旧挤满了人，洒着温暖的纯白色灯光，就像两年前初来时所见的那样。电脑前的那些人敲着代码，思考着我曾经思考的问题，走在我曾经走过的路上。——题记刚入学就知道了ACM集训队的存在，也报名了十一培训，但是听说培训后有场比赛，只有前20名的新生能够进队，于是就直接打消了进队的念头，参加培训也是想学点C语言，顺便碰碰运气。记得第一天上午的培训是刘学长讲的，除了C语言基础之外，刘学长还通...

2018-11-02 21:24:36 715

原创【codeforces 85D】Sum of Medians 线段树单点更新+离散化

题目链接：http://codeforces.com/contest/85/problem/D 题目大意：有n次操作，操作分3种类型，add x、del x、sum。 add x：向数组中插入数字x，保证插入之前数组中不存在x。 del x：从数组中删除数字x，保证删除之前数组中一定存在x。 sum：将数组从小到大排序后，计算所有第i%5==3（也就是3、8、13、18这样的位置）位的数字...

2018-07-29 21:38:20 164

原创【codeforces 19D】Points 线段树+离散化+set

D. Points time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard outputPete and Bob invented a new interesting game. Bob takes a sheet of pape...

2018-07-28 21:18:40 188

原创【HDU 1828】Picture 线段树扫描线

PictureTime Limit: 6000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6289 Accepted Submission(s): 2935 Problem DescriptionA number of rectangular p...

2018-07-17 13:48:25 203

原创【HDU 1542】Atlantis 线段树扫描线（附代码的详细解释）

AtlantisTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 17354 Accepted Submission(s): 7051Problem Description There are several ancient Greek...

2018-07-15 14:34:52 240

原创【codeforces 96B】Lucky Numbers (easy) DFS

Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, ...

2018-03-23 21:25:49 494

原创【HDU 2069】Coin Change 暴力枚举法

Coin ChangeTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 18669 Accepted Submission(s): 6460Problem DescriptionSuppose there

2017-01-20 11:02:43 320

原创【HDU 2064】汉诺塔III

汉诺塔IIITime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 16089 Accepted Submission(s): 7494Problem Description约19世纪末，在欧州的商店中出售一种

2017-01-20 10:08:09 190

原创【HDU 2050】折线分割平面

折线分割平面Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 28300 Accepted Submission(s): 19200Problem Description我们看到过很多直线分割平面的题目，

2017-01-19 10:04:19 219

原创【HDU 2039】三角形水

三角形Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 83846 Accepted Submission(s): 27785Problem Description给定三条边，请你判断一下能不能组成一个三

2017-01-18 13:09:52 170

原创【HDU 2037】今年暑假不AC 贪心

今年暑假不ACTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 52502 Accepted Submission(s): 28251Problem Description“今年暑假不AC？”“是的。

2017-01-18 11:51:47 236

原创【HDU 2036】改革春风吹满地求多边形面积（模板）

改革春风吹满地Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 32862 Accepted Submission(s): 16935Problem Description“ 改革春风吹满地,不会AC

2017-01-17 10:14:51 178

原创【HDU 2034】人见人爱A-B 水

人见人爱A-BTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 76507 Accepted Submission(s): 21319Problem Description参加过上个月月赛的同学一定还记得

2017-01-17 09:06:25 341

原创【HDU 1020】Encoding 水

EncodingTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 43139 Accepted Submission(s): 19057Problem DescriptionGiven a string

2017-01-15 08:56:25 215

原创【HDU 1408】盐水的故事水

盐水的故事Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 18666 Accepted Submission(s): 4641Problem Description挂盐水的时候，如果滴起来有规律，先是滴一滴，停

2017-01-14 22:48:41 235

原创【HDU 2023】求平均成绩水

求平均成绩Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 116413 Accepted Submission(s): 26694Problem Description假设一个班有n(n

2017-01-14 20:46:28 274

原创【HDU 2007】平方和与立方和水

平方和与立方和Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 161506 Accepted Submission(s): 51340Problem Description给定一段连续的整数，求出他们中

2017-01-13 16:45:43 155

原创【HDU 2003】求绝对值水

求绝对值Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 126359 Accepted Submission(s): 61573Problem Description求实数的绝对值。 Inp

2017-01-13 15:46:15 194

原创【HDU 2001】计算两点间的距离水

计算两点间的距离Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 199820 Accepted Submission(s): 69644Problem Description输入两点坐标（X1,Y1）,

2017-01-13 15:13:45 276

原创【HDU 3555】Bomb 数位dp模板

BombTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 16611 Accepted Submission(s): 6082Problem DescriptionThe counter-terrorist

2017-01-12 13:34:01 410

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