天使是一个善良的神

HDU 3018 Ant Trip

摘要： Ant TripTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1198Accepted Submission(s): 445 Problem DescriptionAnt Country consist of N towns.There are M roads connecting the towns.Ant Tony,together with his friends,wants to go through every part of . 阅读全文

posted @ 2013-10-14 11:46 天使是一个善良的神阅读(221) 评论(0) 推荐(0)

HDU 2057 A + B Again

摘要： A + B AgainTime Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 12317Accepted Submission(s): 5387 Problem DescriptionThere must be many A + B problems in our HDOJ , now a new one is coming. Give you two hexadecimal integers , your task is to calculate 阅读全文

posted @ 2013-10-12 00:04 天使是一个善良的神阅读(240) 评论(0) 推荐(0)

HDU 3342 Legal or Not

摘要： Legal or NotTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3359Accepted Submission(s): 1520Problem DescriptionACM-DIY is a large QQ group where many excellent acmers get together. It is so harmonious that just like a big family. Every day,many &qu 阅读全文

posted @ 2013-10-11 20:38 天使是一个善良的神阅读(203) 评论(0) 推荐(0)

HDU 1823 Luck and Love

摘要： Luck and LoveTime Limit: 10000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4575Accepted Submission(s): 1129Problem Description世界上上最远的距离不是相隔天涯海角而是我在你面前可你却不知道我爱你―― 张小娴前段日子，枫冰叶子给Wiskey做了个征婚启事，聘礼达到500万哦，天哪，可是天文数字了啊，不知多少MM蜂拥而至，顿时万人空巷，连扫地的大妈都来凑热闹来了。―_―|||由于人数太多，Wiske 阅读全文

posted @ 2013-10-10 20:34 天使是一个善良的神阅读(272) 评论(0) 推荐(0)

HDU 2035 人见人爱A^B

摘要：人见人爱A^BTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 17396Accepted Submission(s): 12325Problem Description求A^B的最后三位数表示的整数。说明：A^B的含义是“A的B次方”Input输入数据包含多个测试实例，每个实例占一行，由两个正整数A和B组成（1using namespace std;int main(){ int m,n; int a; while ( cin... 阅读全文

posted @ 2013-10-10 00:15 天使是一个善良的神阅读(199) 评论(0) 推荐(0)

HDU 1754 I Hate It

摘要： I Hate ItTime Limit: 9000/3000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 28977Accepted Submission(s): 11496Problem Description很多学校流行一种比较的习惯。老师们很喜欢询问，从某某到某某当中，分数最高的是多少。这让很多学生很反感。不管你喜不喜欢，现在需要你做的是，就是按照老师的要求，写一个程序，模拟老师的询问。当然，老师有时候需要更新某位同学的成绩。Input本题目包含多组测试，请处理到文件结束。在每阅读全文

posted @ 2013-10-08 23:39 天使是一个善良的神阅读(183) 评论(0) 推荐(0)

HDU 2780 Su-Su-Sudoku

摘要： Su-Su-SudokuTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 402Accepted Submission(s): 191Problem DescriptionBy now, everyone has played Sudoku: you're given a 9-by-9 grid of boxes which you are to fill in with the digits 1 through 9 so that 1) 阅读全文

posted @ 2013-10-08 15:01 天使是一个善良的神阅读(393) 评论(0) 推荐(0)

HDU 3085 Nightmare Ⅱ

摘要： Nightmare ⅡTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 718Accepted Submission(s): 135Problem DescriptionLast night, little erriyue had a horrible nightmare. He dreamed that he and his girl friend were trapped in a big maze separately. More terr 阅读全文

posted @ 2013-10-08 00:09 天使是一个善良的神阅读(294) 评论(0) 推荐(0)

HDU 1429 胜利大逃亡(续)

摘要：胜利大逃亡(续)Time Limit: 4000/2000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4149Accepted Submission(s): 1381Problem DescriptionIgnatius再次被魔王抓走了(搞不懂他咋这么讨魔王喜欢)……这次魔王汲取了上次的教训，把Ignatius关在一个n*m的地牢里，并在地牢的某些地方安装了带锁的门，钥匙藏在地牢另外的某些地方。刚开始Ignatius被关在(sx,sy)的位置，离开地牢的门在(ex,ey)的位置。I 阅读全文

posted @ 2013-10-07 20:45 天使是一个善良的神阅读(162) 评论(0) 推荐(0)

初识位压缩

摘要：位压缩。所谓的位压缩就是用一个整数来保存几个事物的有无状态。我们知道每个整数对应一个二进制，二进制就是01串，而0对应的就是无，1对应有，这样几个事物的有无就可以确定一个二进制串，进而可以确定一个整数。故用整数保存几个事物的有无状态。假设已知一个整数m，要判断事物n（n是编号，从1开始）是否存在，可以进行&运算：m&1<<n-1，如果运算结果为0，则n不存在，如果运算结果非0，则n已存在。如果n不存在，要把n加入，可以进行 | 运算：m | 1<<n-1，可以用运算结果来记录这个新状态。阅读全文

posted @ 2013-10-07 15:57 天使是一个善良的神阅读(408) 评论(0) 推荐(0)