Average Score Time Limit: 2 Seconds      Memory Limit: 65536 KB Bob is a freshman in Marjar University. He is clever and diligent. However, he is not good at math, especially in Mathematical Analysis. After a mid-term exam, Bob was anxious about his…

Known Notation Time Limit: 2 Seconds      Memory Limit: 65536 KB Do you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also known as postfix notation since every operator in an expres…

Information Entropy Time Limit: 2 Seconds      Memory Limit: 65536 KB      Special Judge Information Theory is one of the most popular courses in Marjar University. In this course, there is an important chapter about information entropy. Entropy is t…

题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do? problemId=5381 Information Theory is one of the most popular courses in Marjar University. In this course, there is an important chapter about information entropy. Entropy is the average amount o…

球队内线我也总水平,这所学校得到了前所未有的8地方,因为只有两个少年队.因此,我们13并且可以被分配到的地方,因为13和非常大的数目.据领队谁oj在之上a谁去让更多的冠军.我和tyh,sxk,doubleq运的在大二就有机会參加亚洲现场赛,非常激动.牡丹江赛区是我和sxk和doubleq组成rainbow战队,我们对这次区域赛事实上就是去张张见识,添加大赛经验(外加公费旅游2333),但是当我们真正来到赛场的时候不知道为上面我非常渴望拿一块牌子. 第一天热身赛,double迅速切下水题.我一直再…

不知道怎样说起-- 感觉还没那个比赛的感觉呢?如今就结束了. 9号.10号的时候学校还评比国奖.励志奖啥的,由于要来比赛,所以那些事情队友的国奖不能答辩.自己的励志奖班里乱搞要投票,自己又不在,真是无语了--烦得要死.然后在这些事情还没处理好之前我们就这样10号中午从地大去北京站上火车了--那时真感觉这场带着这样的心情来现场赛感觉要打铁了-- 然后10号晚上队友的国奖让琦神帮答辩完了.得国奖无疑了.然后自己的励志奖也定下来一定得了.在火车上的我们也松了一口气.不能由于来比赛国奖励志奖都不得是不-…

I - Information Entropy Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%lld & %llu Submit Status Description Information Theory is one of the most popular courses in Marjar University. In this course, there is an important chapter abo…

题目链接:ZOJ 3827 Information Entropy 依据题目的公式算吧,那个极限是0 AC代码: #include <stdio.h> #include <string.h> #include <math.h> const double e=exp(1.0); double find(char op[]) { if(op[0]=='b') return 2.0; else if(op[0]=='n') return e; else if(op[0]=='…

队名:Unlimited Code Works(无尽编码)  队员:Wu.Wang.Zhou 先说一下队伍:Wu是大三学长:Wang高中noip省一:我最渣,去年来大学开始学的a+b,参加今年区域赛之前只学了大部分图论内容,以及一些数据结构.动态规划等内容,水平不及两个队友... ... 首先流水账式的记录一下比赛过程吧,最后再写这一年的感想.体会与将来的学习计划. 先从长春站说起... ... 长春站是我加入ACM以来参加的第一场ICPC,因此无比的激动!从杭州出发,乘了整整24小时的火车,终…

题目链接 http://acm.hdu.edu.cn/showproblem.php?pid=4803 Problem Description Jenny is a warehouse keeper. He writes down the entry records everyday. The record is shown on a screen, as follow:There are only two buttons on the screen. Pressing the button i…