题目链接: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=1269 10328 - Coin Toss Time limit: 3.000 seconds 问题描述 Toss is an important part of any event. When everything becomes equal toss is the ultim…

有n张牌,求出至少有k张牌连续是正面的排列的种数.(1=<k<=n<=100) Toss is an important part of any event. When everything becomes equal toss is the ultimate decider. Normally a fair coin is used for Toss. A coin has two sides head(H) and tail(T). Superstition may work in…

Coin Toss Time Limit: 3000ms Memory Limit: 131072KB This problem will be judged on UVA. Original ID: 1032864-bit integer IO format: %lld      Java class name: Main   Toss is an important part of any event. When everything becomes equal toss is the ul…

I’ve been in a bad mood since I started on the American Accent. I became even more upset when I added or talked to strangers.There’re some reasons why they made me sick. No 1,the America people are not friendly as you think. They will never add you a…

“茫茫人海里,人群跟著人群,我们无时无刻不感到孤寂.停下来让我们好好沟通吧,否则人类的关系将日形恶化,沦为新世纪科技的牺牲品” ------- Simon 说实话,我第一次看<毕业生>应该是高中毕业那年,记不起是复读开始前还是复读后的那个暑假,当时看这部电影的时候,感触不是很深,但是感觉很现实,刚刚走出学校的毕业生,面对社会中的各种诱惑,由于没有自己正确的以及强的自制力,自己和一位有夫之妇通奸,自己竟然有一段时间沉醉其中而未能自拔,后来才遇到了自己的真爱,而自己的真爱竟是和自己通奸的夫人的女儿…

详解CMS垃圾回收机制   原创不易,未经允许,不得转载~~~ 什么是CMS? Concurrent Mark Sweep. 看名字就知道,CMS是一款并发.使用标记-清除算法的gc. CMS是针对老年代进行回收的GC. CMS有什么用? CMS以获取最小停顿时间为目的. 在一些对响应时间有很高要求的应用或网站中,用户程序不能有长时间的停顿,CMS 可以用于此场景. CMS如何执行?  总体来说CMS的执行过程可以分为以下几个阶段: 3.1 初始标记(STW) 3.2 并发标记 3.3 并发预清…

原创不易,未经允许,不得转载~~~ 什么是CMS? Concurrent Mark Sweep. 看名字就知道,CMS是一款并发.使用标记-清除算法的gc. CMS是针对老年代进行回收的GC. CMS有什么用? CMS以获取最小停顿时间为目的. 在一些对响应时间有很高要求的应用或网站中,用户程序不能有长时间的停顿,CMS 可以用于此场景. CMS如何执行?  总体来说CMS的执行过程可以分为以下几个阶段: 3.1 初始标记(STW) 3.2 并发标记 3.3 并发预清理 3.4 重标记(STW)…

Lucky Coins Sequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 608 Accepted Submission(s): 319 Problem Description As we all know,every coin has two sides,with one side facing up and another…

Lucky Coins Sequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 35 Accepted Submission(s): 29   Problem Description As we all know,every coin has two sides,with one side facing up and another…

Oracle 10gr2的后续版本中添加了UNDO信息最短保留时间段自动调优的特性,不再仅仅依据参数UNDO_RETENTION的设定,其调优原则如下:1. 当UNDO TABLESPACE为 fixed- size,Oracle将根据表空间的大小和历史使用情况,自动调整undo信息保存时间,同时忽略 undo_retention的值,除非 undo_retention的guarantee 特性被启用.2. 当UNDO TABLESPACE为AUM时,Oracle将动态调整撤销信息最短保留时间为…