摘要: C -Fire NetTime Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeHDU 1045DescriptionSuppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each representing a street or a piece of wall.A blockhouse is 阅读全文
posted @ 2012-08-05 23:46 ismdeep 阅读(179) 评论(0) 推荐(0) 编辑
摘要: B -Sliding WindowTime Limit:12000MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusPracticePOJ 2823DescriptionAn array of sizen≤ 106is given to you. There is a sliding window of sizekwhich is moving from the very left of the array to the very right. You can only see theknumbers in t 阅读全文
posted @ 2012-08-05 23:44 ismdeep 阅读(146) 评论(0) 推荐(0) 编辑
摘要: A -Happy TelephonesTime Limit:3000MSMemory Limit:0KB64bit IO Format:%lld & %lluSubmitStatusPracticeUVALive 4512DescriptionIn the land of Eden, all phone conversations are happy ones. People complaining on the phone are immediately put in jail. To enforce this law, the police taps all phone conve 阅读全文
posted @ 2012-08-05 23:40 ismdeep 阅读(179) 评论(0) 推荐(0) 编辑
摘要: 很高兴,,又有比赛了。。【ECJTU_ACM 11级队员2012年暑假训练赛(7) - A - Happy Telephones】【ECJTU_ACM 11级队员2012年暑假训练赛(7) - B - Sliding Window】【ECJTU_ACM 11级队员2012年暑假训练赛(7) - C - Fire Net】【ECJTU_ACM 11级队员2012年暑假训练赛(7) - D - Little Elephant and Rozdil】【ECJTU_ACM 11级队员2012年暑假训练赛(7) - E - Little Elephant and Sorting】【ECJTU_ACM 1 阅读全文
posted @ 2012-08-05 23:38 ismdeep 阅读(155) 评论(0) 推荐(0) 编辑
摘要: Just a Hook Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8814 Accepted Submission(s): 4291 Pro 阅读全文
posted @ 2012-08-03 14:58 ismdeep 阅读(306) 评论(0) 推荐(0) 编辑
摘要: 大菲波数Time Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6572Accepted Submission(s): 2157Problem DescriptionFibonacci数列,定义如下:f(1)=f(2)=1f(n)=f(n-1)+f(n-2) n>=3。计算第n项Fibonacci数值。Input输入第一行为一个整数N,接下来N行为整数Pi(1<=Pi<=1000)。Output输出为N行,每行为对应的f(Pi)。Sa 阅读全文
posted @ 2012-08-03 09:24 ismdeep 阅读(204) 评论(0) 推荐(0) 编辑
摘要: 最大因子数Time Limit : 10000/5000ms (Java/Other)Memory Limit : 65535/65535K (Java/Other)Total Submission(s) : 39Accepted Submission(s) : 17Font:Times New Roman|Verdana|GeorgiaFont Size:←→Problem Description定义f(n)为整数n的因子数,如f(9) = 3(分别是1,3,9).定义g(n)=k,整数k是满足f(k) = max{f(i)|0<i<=n}的最小整数,现在给出n让你求g(n).I 阅读全文
posted @ 2012-07-24 10:36 ismdeep 阅读(534) 评论(0) 推荐(0) 编辑
摘要: 前进Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2223Accepted Submission(s): 1788Problem Description轻松通过墓碑,进入古墓后,才发现里面别有洞天。突然,Yifenfei发现自己周围是黑压压的一群蝙蝠,个个扇动翅膀正准备一起向他发起进攻!形势十分危急!好在此时的yifenfei已经不是以前那个经常被lemon抢走MM的菜鸟了!面对众多蝙蝠的嗜血狂攻,只见yifenfei使出轻灵的剑法,刷,刷, 阅读全文
posted @ 2012-07-22 20:35 ismdeep 阅读(419) 评论(0) 推荐(0) 编辑
摘要: 彼岸Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1887Accepted Submission(s): 1027Problem Description突破蝙蝠的包围,yifenfei来到一处悬崖面前,悬崖彼岸就是前进的方向,好在现在的yifenfei已经学过御剑术,可御剑轻松飞过悬崖。现在的问题是:悬崖中间飞着很多红,黄,蓝三种颜色的珠子,假设我们把悬崖看成一条长度为n的线段,线段上的每一单位长度空间都可能飞过红,黄,蓝三种珠子,而yife 阅读全文
posted @ 2012-07-22 20:32 ismdeep 阅读(394) 评论(0) 推荐(0) 编辑
摘要: 前m大的数Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5195Accepted Submission(s): 1856Problem Description还记得Gardon给小希布置的那个作业么?(上次比赛的1005)其实小希已经找回了原来的那张数表,现在她想确认一下她的答案是否正确,但是整个的答案是很庞大的表,小希只想让你把答案中最大的M个数告诉她就可以了。给定一个包含N(N<=3000)个正整数的序列,每个数不超过5000,对它 阅读全文
posted @ 2012-07-22 15:52 ismdeep 阅读(506) 评论(0) 推荐(0) 编辑
摘要: 寻梦Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2390Accepted Submission(s): 1871Problem Description每个人的童年都可能梦想过自己成为一个英雄,尤其是喜欢武侠的男生,Yifenfei也不例外。童年的他常常梦想自己能成为一个绝世英雄,手拿一把灿灿发亮的宝剑,手挽一位长发飘逸的秀丽气质MM ^_^ ,散步于清幽的泉边小道,微风吹过,飘落两片枫叶。。。。。。正由于成天陶醉于这种脱世的意境之中,导致此 阅读全文
posted @ 2012-07-21 17:14 ismdeep 阅读(454) 评论(1) 推荐(0) 编辑
摘要: 命运Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4192Accepted Submission(s): 1482Problem Description穿过幽谷意味着离大魔王lemon已经无限接近了!可谁能想到,yifenfei在斩杀了一些虾兵蟹将后,却再次面临命运大迷宫的考验,这是魔王lemon设下的又一个机关。要知道,不论何人,若在迷宫中被困1小时以上,则必死无疑!可怜的yifenfei为了去救MM,义无返顾地跳进了迷宫。让我们一起帮帮执 阅读全文
posted @ 2012-07-21 16:23 ismdeep 阅读(328) 评论(0) 推荐(0) 编辑
摘要: 乘法游戏时间限制(普通/Java):1000MS/3000MS 运行内存限制:65536KByte总提交:8 测试通过:1描述乘法游戏是在一行牌上进行的。每一张牌包括了一个正整数。在每一个移动中,玩家拿出一张牌,得分是用它的数字乘以它左边和右边的数,所以不允许拿第1张和最后1张牌。最后一次移动后,这里只剩下两张牌。 你的目标是使得分的和最小。 例如,如果数是10 1 50 20 5,依次拿1、20、50,总分是10*1*50+50*20*5+10*50*5=8000 而拿50、20、1,总分是1*50*20+1*20*5+10*1*5=1150。 ... 阅读全文
posted @ 2012-07-21 14:12 ismdeep 阅读(334) 评论(1) 推荐(0) 编辑
摘要: CoinTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 662Accepted Submission(s): 329Problem DescriptionMoon has many coins, but only contains two value types which is 5 cents and 7 cents, Some day he find that he can get any value which greater than 阅读全文
posted @ 2012-07-20 11:25 ismdeep 阅读(608) 评论(0) 推荐(0) 编辑
摘要: Problem Description随着物理学的发展,科学家们发现了越来越多的粒子。有一天,筱莜在做实验的时候发现了一种麻烦的粒子,因为这些粒子必须成对产生或消失。面对这些粒子,筱莜开始头痛,怎么放置这些粒子才能让他们都消失呢?经过很多天的努力,筱莜终于设计出了一个实验装置,它是一个的立方体,编号A,B,C,……H,如图所示,每个顶点上都有一定数量的“麻烦”子,不同顶点初始的“麻烦”子数量可能不同。每次可以选择两个相邻的顶点,让他们同时产生或者消失。例如:每个照相机里的初始粒子数为1,0,1,0,3,1,0,0,那么一个合法的操作顺序为:EF-,EA-,AD+,AE-,DC-(EF-表示点E 阅读全文
posted @ 2012-07-20 11:23 ismdeep 阅读(259) 评论(0) 推荐(0) 编辑
摘要: 信息安全111班暑期学习工作任务:(一)、暑假期间需要完成暑期社会实践报告,还有就是思政部的征文活动,要求每位同学都要上交,具体细节见群共享文件。(二)、Java老师上学期已经说了在本部有一个他办的实验室,具体上名称是:“信息工程学院创新实验室”。实验室的性质是非营利学习型实验室。实验室要求每位学生认真学习并互相帮助。Java老师下学期会在信息安全和网络三个班招人,大概在网络两个班招3~4个Java开发方向的。在信息安全招1~2个C语言安全编程方面的。具体也不一定,我们班也可以去Java那边的。具体现在情况我和大家说一下,就是Java那边已经开展得比较成熟了,因为时间的问题,而C语言安全编程这 阅读全文
posted @ 2012-07-19 23:25 ismdeep 阅读(220) 评论(5) 推荐(0) 编辑
摘要: 要成为JAVA程序员,用三个月的时间.要成为J2EE高手,用一年的时间.要成为JAVA技术应用专家,用三年的时间,其中两年去学习C/C++现在我再次想说这样的话,如果你从来没有学过C/C++,那么我说一个JAVA技术,你可能永远也不可能真正的理解它的真正的意义:方法参数中JAVA的对象是如何传递的?真实的情况是传递"引用的值",如果你不了解C/C++,你是无法理解这句话的.你只能看别人的书上说什么你就记得什么,而实际如何,你根本不懂.这就是为什么要理解底层架构,协议.不了解你可能在一个公司混得很好,一个学习三个月JSP的人混一个工作是完全可以的,整天做一些ctrl+c,ct 阅读全文
posted @ 2012-07-19 11:13 ismdeep 阅读(217) 评论(0) 推荐(0) 编辑
摘要: Big NumberTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 15735Accepted Submission(s): 6954Problem DescriptionIn many applications very large integers numbers are required. Some of these applications are using keys for secure transmission of data, 阅读全文
posted @ 2012-07-19 10:23 ismdeep 阅读(152) 评论(0) 推荐(0) 编辑
摘要: 对8102及以后的版本都合适:win8 下安装 .net framework 3.5.1:1. 打开 win8 安装盘,提取 sources\sxs 文件夹到 d:\sources\sxs (或别的盘也行,举个例子);2. 打开 c:\windows\system32 文件夹,找到 cmd.exe,右击,选择"Run as administrator";3. 在命令行执行以下命令:dism.exe /online /enable-feature /featurename:NetFX3 /Source:X:\sources\sxs大概一两分钟就执行完了,执行结果如下:Depl 阅读全文
posted @ 2012-07-18 22:51 ismdeep 阅读(328) 评论(0) 推荐(0) 编辑
摘要: 发布时间:2006.12.27 03:11来源:赛迪网技术社区作者:puyuangyDNA杂志籍印度全国软件和服务企业协会(Nasscom) 与孟买警方开展互联网安全周活动之时,回顾了历史上的十大黑客事件——即使是那些被认为固若金汤的系统在黑客攻击面前总显得不堪一击。20世纪90年代早期Kevin Mitnick,一位在世界范围内举重若轻的黑客。世界上最强大的科技和电信公司——诺基亚(Nokia),富士通(Fujitsu),摩托罗拉(Motorola),和 Sun Microsystems等的电脑系统都曾被他光顾过。1995年他被FBI逮捕,于2000年获得假释。他从来不把自己的这种入侵行为称 阅读全文
posted @ 2012-07-18 18:01 ismdeep 阅读(253) 评论(0) 推荐(0) 编辑
摘要: World Cup NoiseTime Limit:1000MSMemory Limit:30000KTotal Submissions:13155Accepted:6512DescriptionBackground"KO-RE-A, KO-RE-A" shout 54.000 happy football fans after their team has reached the semifinals of the FIFA World Cup in their home country. But although their excitement is real, th 阅读全文
posted @ 2012-07-18 14:48 ismdeep 阅读(205) 评论(0) 推荐(0) 编辑
摘要: 要坚持,要加油。每天都要写一定的代码量。逼迫自己。我要加油。为了一个已经多年的梦想。加油!!!!!!!!! 阅读全文
posted @ 2012-07-18 13:13 ismdeep 阅读(131) 评论(0) 推荐(0) 编辑
摘要: 次方求模时间限制:1000ms | 内存限制:65535KB难度:3描述求a的b次方对c取余的值输入第一行输入一个整数n表示测试数据的组数(n<100)每组测试只有一行,其中有三个正整数a,b,c(1=<a,b,c<=1000000000)输出输出a的b次方对c取余之后的结果样例输入32 3 53 100 1011 12345 12345样例输出3110481来源[张云聪]原创上传者张云聪 1 // Project name : 102 2 // File name : main.cpp 3 // Author : Izumu 4 // Date & Time : W 阅读全文
posted @ 2012-07-18 10:51 ismdeep 阅读(193) 评论(0) 推荐(0) 编辑
摘要: GCD AgainTime Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1314Accepted Submission(s): 487Problem DescriptionDo you have spent some time to think and try to solve those unsolved problem after one ACM contest?No? Oh, you must do this when you want to 阅读全文
posted @ 2012-07-17 16:08 ismdeep 阅读(250) 评论(0) 推荐(0) 编辑
摘要: When I said go I never meant awayYou ought to know the freaky games we playCould you forgive and learn how to forgetHear me as I'm calling out your nameFirefly come back to meMake the night as bright as dayI'll be looking out for youTell me that your lonely tooFirefly come lead me onFollow y 阅读全文
posted @ 2012-07-16 13:58 ismdeep 阅读(164) 评论(0) 推荐(0) 编辑
摘要: 1 // Project name : 航线设置 2 // File name : main.cpp 3 // Author : Izumu 4 // Date & Time : Sun Jul 15 16:33:54 2012 5 6 7 #include <iostream> 8 #include <stdio.h> 9 #include <string>10 #include <cmath>11 #include <algorithm>12 using namespace std;13 14 #define MAXN 1 阅读全文
posted @ 2012-07-15 17:23 ismdeep 阅读(348) 评论(0) 推荐(0) 编辑
摘要: The sum problemTime Limit: 5000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 9020Accepted Submission(s): 2759Problem DescriptionGiven a sequence 1,2,3,......N, your job is to calculate all the possible sub-sequences that the sum of the sub-sequence is M.InputInp 阅读全文
posted @ 2012-07-15 15:37 ismdeep 阅读(219) 评论(0) 推荐(0) 编辑
摘要: 1 // Project name : 游船费问题 2 // File name : main.cpp 3 // Author : Izumu 4 // Date & Time : Sat Jul 14 15:21:28 2012 5 6 7 #include <iostream> 8 #include <stdio.h> 9 #include <string>10 #include <cmath>11 #include <algorithm>12 using namespace std;13 14 #define MAXN 阅读全文
posted @ 2012-07-14 16:10 ismdeep 阅读(313) 评论(0) 推荐(0) 编辑
摘要: Bone CollectorTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 12318Accepted Submission(s): 4787Problem DescriptionMany years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , such 阅读全文
posted @ 2012-07-14 10:42 ismdeep 阅读(157) 评论(0) 推荐(0) 编辑
摘要: Calculation 2Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1121Accepted Submission(s): 479Problem DescriptionGiven a positive integer N, your task is to calculate the sum of the positive integers less than N which are not coprime to N. A is said 阅读全文
posted @ 2012-07-13 20:36 ismdeep 阅读(395) 评论(0) 推荐(1) 编辑
摘要: Farey SequenceTime Limit:1000MSMemory Limit:65536KTotal Submissions:9180Accepted:3501DescriptionThe Farey Sequence Fn for any integer n with n >= 2 is the set of irreducible rational numbers a/b with 0 < a < b <= n and gcd(a,b) = 1 arranged in increasing order. The first few areF2 = {1/2 阅读全文
posted @ 2012-07-13 17:11 ismdeep 阅读(201) 评论(0) 推荐(0) 编辑
摘要: RelativesTime Limit:1000MSMemory Limit:65536KTotal Submissions:8841Accepted:4134DescriptionGiven n, a positive integer, how many positive integers less than n are relatively prime to n? Two integers a and b are relatively prime if there are no integers x > 1, y > 0, z > 0 such that a = xy a 阅读全文
posted @ 2012-07-13 16:23 ismdeep 阅读(160) 评论(0) 推荐(0) 编辑
摘要: 除法表达式Time Limit(Common/Java):1000MS/10000MS Memory Limit:65536KByteTotal Submit: 279 Accepted: 68Description给出如下除法表达式E:X1/X2/X3/..../Xk其中Xi是正整数并且Xi<=2000000000(1<=i<=k,k<=10000)。除法表达式应当按照从左到右的顺序求结果,例如表达式1/2/1/2的值是1/4。现在让你可以在表达E中嵌入括号以改变计算顺序,例如表达式(1/2)/(1/2)的值是1。现在给你一个除法表达式E,要求告诉是否能够通过加括号( 阅读全文
posted @ 2012-07-12 17:03 ismdeep 阅读(684) 评论(0) 推荐(0) 编辑
摘要: Number StepsTime Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusAppoint description:DescriptionStarting from point (0,0) on a plane, we have written all non-negative integers 0, 1, 2,... as shown in the figure. For example, 1, 2, and 3 has been written at points (1,1), 阅读全文
posted @ 2012-07-10 22:01 ismdeep 阅读(155) 评论(0) 推荐(0) 编辑
摘要: Ignatius and the Princess IVTime Limit:1000MSMemory Limit:32767KB64bit IO Format:%I64d & %I64uSubmitStatusAppoint description:Description"OK, you are not too bad, em... But you can never pass the next test." feng5166 says."I will tell you an odd number N, and then N integers. Ther 阅读全文
posted @ 2012-07-10 21:55 ismdeep 阅读(156) 评论(0) 推荐(0) 编辑
摘要: B -As Easy As A+BTime Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusAppoint description:DescriptionThese days, I am thinking about a question, how can I get a problem as easy as A+B? It is fairly difficulty to do such a thing. Of course, I got it after many waking nigh 阅读全文
posted @ 2012-07-10 21:27 ismdeep 阅读(246) 评论(0) 推荐(0) 编辑
摘要: Triangle WaveIn this problem you are to generate a triangular wave form according to a specified pair of Amplitude and Frequency.Input and OutputThe input begins with a single positive integer on a line by itself indicating the number of the cases following, each of them as described below. This lin 阅读全文
posted @ 2012-07-10 21:01 ismdeep 阅读(218) 评论(0) 推荐(0) 编辑
摘要: Kindergarten Counting GameEverybody sit down in a circle. Ok. Listen to me carefully.``Woooooo, you scwewy wabbit!''Now, could someone tell me how many words I just said?Input and OutputInput to your program will consist of a series of lines, each line containing multiple words (at least one 阅读全文
posted @ 2012-07-10 20:09 ismdeep 阅读(172) 评论(0) 推荐(0) 编辑
摘要: The DecoderWrite a complete program that will correctly decode a set of characters into a valid message. Your program should read a given file of a simple coded set of characters and print the exact message that the characters contain. The code key for this simple coding is a one for one character s 阅读全文
posted @ 2012-07-10 19:35 ismdeep 阅读(206) 评论(0) 推荐(0) 编辑
摘要: Back to High School PhysicsInput:standard inputOutput:standard outputA particle has initial velocity and constant acceleration. If its velocity after certain time is v then what will its displacement be in twice of that time?InputThe input will contain two integers in each line. Each line makes one 阅读全文
posted @ 2012-07-10 19:19 ismdeep 阅读(152) 评论(0) 推荐(0) 编辑