摘要： I NEED A OFFER!Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 13203Accepted Submission(s): 5148 Problem DescriptionSpeakless很早就想出国，现在他已经考完了所有需要的考试，准备了所有要准备的材料，于是，便需要去申请学校了。要申请国外的任何大学，你都要交纳一定的申请费用，这可是很惊人的。Speakless没有多少钱，总共只攒了n万美元。他将在m个学校中选择若干的（当然要 阅读全文

摘要： Kill the monsterTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 718Accepted Submission(s): 511Problem DescriptionThere is a mountain near yifenfei’s hometown. On the mountain lived a big monster. As a hero in hometown, yifenfei wants to kill it.Now 阅读全文

摘要： Watch The MovieTime Limit: 3000/1000 MS (Java/Others)Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 4532Accepted Submission(s): 1426 Problem DescriptionNew semester is coming, and DuoDuo has to go to school tomorrow. She decides to have fun tonight and will be very busy after tonight 阅读全文

摘要： A. Difference Rowtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou want to arrangenintegersa1, a2, ..., anin some order in a row. Let's define the value of an arrangement as the sum of differences between all pairs of adjacent integers.More 阅读全文

摘要： B. Fixed Pointstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA permutation of lengthnis an integer sequence such that each integer from 0 to(n - 1)appears exactly once in it. For example, sequence[0, 2, 1]is a permutation of length 3 while both 阅读全文

摘要： B. Hungry Sequencetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIahub and Iahubina went to a date at a luxury restaurant. Everything went fine until paying for the food. Instead of money, the waiter wants Iahub to write a Hungry sequence consist 阅读全文

摘要： Sudoku KillerTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3367Accepted Submission(s): 1063 Problem Description自从2006年3月10日至11日的首届数独世界锦标赛以后，数独这项游戏越来越受到人们的喜爱和重视。 据说，在2008北京奥运会上，会将数独列为一个单独的项目进行比赛，冠军将有可能获得的一份巨大的奖品———HDU免费七日游外加lcy亲笔签名以及同hdu acm team 阅读全文

摘要： How many waysTime Limit: 3000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2114Accepted Submission(s): 1275 Problem Description这是一个简单的生存游戏，你控制一个机器人从一个棋盘的起始点(1,1)走到棋盘的终点(n,m)。游戏的规则描述如下： 1.机器人一开始在棋盘的起始点并有起始点所标有的能量。 2.机器人只能向右或者向下走，并且每走一步消耗一单位能量。 3.机器人不能在原地停留。 4.当机 阅读全文

摘要： 词组缩写Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7539Accepted Submission(s): 2416Problem Description定义：一个词组中每个单词的首字母的大写组合称为该词组的缩写。比如，C语言里常用的EOF就是end of file的缩写。Input输入的第一行是一个整数T，表示一共有T组测试数据；接下来有T行，每组测试数据占一行，每行有一个词组，每个词组由一个或多个单词组成；每组的单词个数不超过10个，每 阅读全文

摘要： 命运Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7198Accepted Submission(s): 2526Problem 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