步行者客场迎战主场作战的奇才,奇才的战士可能由于过度兴奋或是过度紧张身体僵硬,本来能打进的球都失掉了.反而,由于步行者取得了两位数的领先,越大心情越放松,打出了过去很少见的流畅局面. CCTV评论员就说:高水平的比赛,比的已经不是技术,而是mind.好的教练要求球员不去追求高潮,因为有高潮必定有低谷,就按照平平常常的打法,稳定的打法,谁也不能阻止平稳的推进.最典型的例子就是马刺队,表现的是沉着.稳定,就这样平稳的表现. 所以,高水平的比赛就是要参赛者平稳的心态去打,不去追求高潮,也不抵触低谷.连…

这是Ted Neward在IBM developerWorks中5 things系列文章中的一篇,仍然讲述了关于Java并发集合API的一些应用窍门,值得大家学习.(2010.06.17最后更新) 摘要:除了便于编写并发应用的集合API外,java.util.concurrent还引入了其它的预置程序组件,这些组件能辅助你在多线程应用中控制和执行线程.Ted Neward再介绍了五个来自于java.util.concurrent的Java编程必备窍门. 通过提供线程安全,性能良好的数据结构,并发…

H - Solve this interesting problem Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 5323 Appoint description:  System Crawler  (2015-07-28) Description Have you learned something about segment tr…

Hiking Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 932 Accepted Submission(s): 483 Special Judge Problem Description There are n soda conveniently labeled by 1,2,-,n. beta, their best friend…

Improving the GPA Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 606 Accepted Submission(s): 451 Problem Description Xueba: Using the 4-Point Scale, my GPA is 4.0. In fact, the AVERAGE SCORE of…

Task schedule Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1909 Accepted Submission(s): 658 Problem Description 有一台机器,并且给你这台机器的工作表,工作表上有n个任务,机器在ti时间执行第i个任务,1秒即可完成1个任务. 有m个询问,每个询问有一个数字q,表示如果在q时间…

I am going to my home. There are many cities and many bi-directional roads between them. The cities are numbered from 0 to n-1 and each road has a cost. There are m roads. You are given the number of my city t where I belong. Now from each city you h…

DZY Loves Chemistry time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves chemistry, and he enjoys mixing chemicals. DZY has n chemicals, and m pairs of them will react. He wants to pou…

DZY Loves Chessboard time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves chessboard, and he enjoys playing with it. He has a chessboard of n rows and m columns. Some cells of the ches…

time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Susie loves strings. Today she calculates distances between them. As Susie is a small girl after all, her strings contain only digits…

Toy Cars time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Susie, thanks to her older brother, likes to play with cars. Today she decided to set up a tournament between them. The proce…

MZL's Border Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 909 Accepted Submission(s): 297 Problem Description As is known to all, MZL is an extraordinarily lovely girl. One day, MZL was playing…

Walk Out Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 2724 Accepted Submission(s): 548 Problem Description In an n∗m maze, the right-bottom corner is the exit (position (n,m) is the exit). In e…

Killing Monsters Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 1993 Accepted Submission(s): 765 Problem Description Kingdom Rush is a popular TD game, in which you should build some towers to…

A. Expression time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Petya studies in a school and he adores Maths. His class has been studying arithmetic expressions. On the last class the teacher wr…

Colored Sticks Time Limit: 5000MS Memory Limit: 128000K Total Submissions: 32423 Accepted: 8556 Description You are given a bunch of wooden sticks. Each endpoint of each stick is colored with some color. Is it possible to align the sticks in a straig…

The Number Off of FFF Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2813 Accepted Submission(s): 935 Problem Description X soldiers from the famous "FFF army" is standing in a line, from le…

kiki's game Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 40000/10000 K (Java/Others) Total Submission(s): 8127 Accepted Submission(s): 4833 Problem Description Recently kiki has nothing to do. While she is bored, an idea appears in his mind,…

Clique in the Divisibility Graph time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output As you must know, the maximum clique problem in an arbitrary graph is NP-hard. Nevertheless, for some graphs of…

Integration of Polynomial Time Limit: 2000/1000MS (Java/Others) Memory Limit: 128000/64000KB (Java/Others) Submit Statistic Next Problem Problem Description Suppose there are a polynomial which has n nonzero terms, please print the integration polyno…

Heros and Swords Time Limit: 6000/3000MS (Java/Others) Memory Limit: 128000/64000KB (Java/Others) Submit Statistic Next Problem Problem Description There are n swords of different weights Wi and n heros of power Pi. Your task is to find out how many…

KIDx's Pagination Time Limit: 2000/1000MS (Java/Others) Memory Limit: 128000/64000KB (Java/Others) Submit Statistic Next Problem Problem Description One Day, KIDx developed a beautiful pagination for ACdream. Now, KIDx wants you to make another one.…

RGCDQ Time Limit:3000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 5317 Appoint description: Description Mr. Hdu is interested in Greatest Common Divisor (GCD). He wants to find more and more interesting things abou…

Magician Time Limit: 18000/9000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1771    Accepted Submission(s): 515 Problem Description Fantasy magicians usually gain their ability through one of three usual methods…

Have you learned something about segment tree? If not, don't worry, I will explain it for you.  Segment Tree is a kind of binary tree, it can be defined as this:  - For each node u in Segment Tree, u has two values: $L_u$ and $R_u$.  - If $L_u = R_u$…

D - Painter Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 5319 Appoint description: Description Mr. Hdu is an painter, as we all know, painters need ideas to innovate , one day, he got stuck in rut an…

K - Work Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 5326 Appoint description:  System Crawler  (2015-07-28) Description It's an interesting experience to move from ICPC to work, end my coll…

Demacia of the Ancients Time Limit: 2 Seconds Memory Limit: 65536 KB There is a popular multiplayer online battle arena game called Demacia of the Ancients. There are lots of professional teams playing this game. A team will be approved as Level K if…

Capture the Flag Time Limit: 2 Seconds Memory Limit: 65536 KB Special Judge In computer security, Capture the Flag (CTF) is a computer security competition. CTF contests are usually designed to serve as an educational exercise to give participants ex…

May Day Holiday Time Limit: 2 Seconds Memory Limit: 65536 KB As a university advocating self-learning and work-rest balance, Marjar University has so many days of rest, including holidays and weekends. Each weekend, which consists of Saturday and Sun…