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RSS订阅原创 hdu2098--拆分素数和--数论
分拆素数和Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 18944 Accepted Submission(s): 8252Problem Description把一个偶数拆成两个不同素数的和，有几种
2014-03-26 18:14:08
720
原创 HDU 1160 FatMouse's Speed--经典DP
FatMouse's SpeedTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4910 Accepted Submission(s): 2130Special JudgeProblem DescriptionF
2014-03-24 20:19:55
674
原创 SDJZU--E坤哥的难题
题目链接问题 E : 坤哥的难题时间限制：1 秒内存限制：256 兆特殊判题： 否提交：16解决： 7题目描述八百年才能出现的好事接二连三的发生在了坤哥头上，可是你们总是让他的好事泡汤。坤哥不愿意了，他决心考考你们,先给你一个六位数，然后曲这个六位数中间四位，然后在让这个四位数平方，得到的这个数在取它的后六位。
2014-03-01 12:33:08
1072
原创 sdjzu--画8
题目链接问题 F : 8时间限制：1 秒内存限制：256 兆特殊判题： 否提交：38解决： 10题目描述人们都喜欢8这个数字，手机号希望全是8，车牌号也希望全是8.在这个无发不在的世界，8俨然成为了人们发财的数字。为了以后我们的前途，大家来画8吧，谁画的标准，好看，谁的前途就越好。输入格
2014-03-01 12:15:24
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原创 sdjzu--人生三大幻觉 ----组合数学polya
问题 A : 人生三大幻觉时间限制：1 秒内存限制：256 兆特殊判题： 否提交：13解决： 7题目描述人生三大幻觉是手机在震动、有人叫你、还有Ta喜欢你。可是这第三条幻觉偏偏就真正的发生在了坤哥身上，坤哥很是高兴。但是......，那妹子对坤哥说了“我脖子上戴的这串项链有n个珠子，可以用c种颜色对珠子涂染，你能告诉我能形
2014-03-01 12:02:07
699
原创 hdu 1072 Nightmare--bfs
题目链接 NightmareTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6225 Accepted Submission(s): 3051Problem DescriptionIgnatius
2014-02-26 11:47:43
640
原创 hdu 1026 Ignatius and the Princess I----bfs+递归
题目链接Ignatius and the Princess ITime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10724 Accepted Submission(s): 3272Special JudgeProblem
2014-02-24 20:33:50
641
原创 hdu1104 Remaindr-----bfs+数论
本题链接 题意:输入3个数 n,k,m ,问通过对n对m进行若干 +, - , * , % 4种操作后 ,能不能得到一个数N,使得 N%k == (n+1)%k 若能,则输出进行操作次数 若不能,则输出0 输入有多组数据,输入0 0 0表示所有数据结束.这里的 % 不能直接使用 因为,题目中的%是数论中的取模.%： 如果 a = b * q + r (q > 0
2014-02-22 15:26:08
816
转载 BFS DFS
广度优先搜索(Breadth-First-Search)和深度优先搜索(Deep－First－Search)是搜索策略中最经常用到的两种方法,特别常用于图的搜索.其中有很多的算法都用到了这两种思想,比如:Dijkstra单源最短路径算法和Prim最小生成树算法都采用了和宽度优先搜索类似的思想。BFS的思想：从一个图的某一个顶点V0出发，首先访问和V0相邻的且未被访问过的顶点V1、V2、
2014-02-20 18:30:36
763
原创 poj1016 Prime Ring Problem---dfs
Prime Ring ProblemTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 22718 Accepted Submission(s): 10116Problem DescriptionA ring
2014-02-20 15:56:42
553
原创 POJ1426 Find the multiple
Find The MultipleTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 16144 Accepted: 6600 Special JudgeDescriptionGiven a positive integer n, write a pr
2014-02-18 19:57:54
543
原创 NBUT1220 spy
[1220] SPY时间限制: 1000 ms 内存限制: 131072 K问题描述The National Intelligence Council of X Nation receives a piece of credible information that Nation Y will send spies to steal Nation X’sconf
2014-02-15 15:00:58
1112
原创 NBUT1219 Time
[1219] Time时间限制: 1000 ms 内存限制: 131072 K问题描述Digital clock use 4 digits to express time, each digit is described by 3*3 characters (including”|”,”_”and” “).now given the current time, plea
2014-02-15 09:17:36
656
原创 NBUT1218 You are my brother
[1218] You are my brother时间限制: 1000 ms 内存限制: 131072 K问题描述Little A gets to know a new friend, Little B, recently. One day, they realize that they are family 500 years ago. Now, Little A w
2014-02-15 09:12:26
810
原创 NBUT 1217 Dinner
[1217] Dinner时间限制: 1000 ms 内存限制: 32768 K问题描述Little A is one member of ACM team. He had just won the gold in World Final. To celebrate, he decided to invite all to have one meal. As bowl, kni
2014-02-15 09:07:39
642
原创 素数个数的位数nefu117
Time Limit 1000msMemory Limit 65536Kdescription小明是一个聪明的孩子，对数论有着很浓烈的兴趣。他发现求1到正整数10n 之间有多少个素数是一个很难的问题，该问题的难以决定于n 值的大小。现在的问题是，告诉你n的值，让你帮助小明计算小于10n的素数的个数值共有多少位？
2014-02-13 11:56:53
613
原创 五指山nefu84
description西游记中孙吾空大闹天宫，如来佛祖前来降伏他，说道：“我与你打个赌赛；你若有本事，一筋斗打出我这右手掌中，算你赢，再不用动刀兵苦争战，就请玉帝到西方居住，把天宫让你；若不能打出手掌，你还下界为妖，再修几劫，却来争吵。”那大圣闻言，暗笑道：“这如来十分好呆！我老孙一筋斗去十万八千里。他那手掌，方圆不满一尺，如何跳不出去？”急发声道：“既如此说，你可做得主张？
2014-02-12 20:38:30
871
原创 扩展欧几里得原理
欧几里德算法概述欧几里德算法又称辗转相除法，用于计算两个整数a,b的最大公约数。其计算原理依赖于下面的定理：gcd函数就是用来求(a,b)的最大公约数的。gcd函数的基本性质：gcd(a,b)=gcd(b,a)=gcd(-a,b)=gcd(|a|,|b|) C++语言实现intGcd(int a, int b){
2014-02-12 16:38:06
732
原创 继续畅通工程
继续畅通工程Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11375 Accepted Submission(s): 4984Problem Description省政府“畅通工程”的目标是使全省任何
2014-02-11 22:12:24
608
原创 欧拉回路
欧拉回路Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8607 Accepted Submission(s): 3098Problem Description欧拉回路是指不令笔离开纸面，可画过图中每条
2014-02-11 22:11:07
614
原创 畅通工程再续
畅通工程再续Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11948 Accepted Submission(s): 3670Problem Description相信大家都听说一个“百岛湖”的地方吧
2014-02-11 22:10:17
559
原创 又一版 A+B
又一版 A+BTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 12246 Accepted Submission(s): 4629Problem Description输入两个不超过整型定义的非负10进
2014-02-11 22:09:15
595
原创 畅通工程续
畅通工程续Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 22708 Accepted Submission(s): 7982Problem Description某省自从实行了很多年的畅通工程计划后，
2014-02-11 22:08:23
644
原创 六度分离
六度分离Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3528 Accepted Submission(s): 1396Problem Description1967年，美国著名的社会学家斯坦利·米尔
2014-02-11 22:07:39
645
原创 畅通工程
畅通工程Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 13771 Accepted Submission(s): 5685Problem Description省政府“畅通工程”的目标是使全省任何两个
2014-02-11 22:06:54
562
原创 Flying to the Mars
Flying to the MarsTime Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 9123 Accepted Submission(s): 2969Problem DescriptionIn
2014-02-11 22:06:12
515
原创 逃离迷宫
逃离迷宫Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 12605 Accepted Submission(s): 3017Problem Description 给定一个m × n (m行, n列)
2014-02-11 22:05:25
503
原创 Number Sequence
Number SequenceTime Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 9297 Accepted Submission(s): 4266Problem DescriptionGiven two
2014-02-11 22:04:36
552
原创 Bus System
Bus SystemTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5755 Accepted Submission(s): 1465Problem DescriptionBecause of the
2014-02-11 22:02:41
738
原创 Phone List
Phone ListTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8303 Accepted Submission(s): 2846Problem DescriptionGiven a list of
2014-02-11 22:01:37
538
原创 find the mincost route
find the mincost routeTime Limit: 1000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1903 Accepted Submission(s): 774Problem Description杭州有N
2014-02-11 22:00:03
538
原创 Gauss Fibonacci
Gauss FibonacciTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1865 Accepted Submission(s): 820Problem DescriptionWithout exp
2014-02-11 21:58:21
535
原创 青蛙的约会pku1061
青蛙的约会Time Limit: 1000MS Memory Limit: 10000KTotal Submissions: 85233 Accepted: 14930Description两只青蛙在网上相识了，它们聊得很开心，于是觉得很有必要见一面。它们很高兴地发现它们住在同一条纬度线上，于是它们约定各自朝西跳，直到碰面
2014-02-11 11:06:27
597
原创 继续畅通工程
继续畅通工程Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11371 Accepted Submission(s): 4981Problem Description省政府“畅通工程”的目标是使全省任何
2014-02-10 22:47:14
498
原创 ASCII码排序
ASCII码排序Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 78102 Accepted Submission(s): 32368Problem Description输入三个字符后，按各字符的AS
2014-02-10 22:45:16
516
原创 Red and Black
Red and BlackTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7720 Accepted Submission(s): 4842Problem DescriptionThere is a r
2014-02-10 22:43:08
557
原创 Diophantus of Alexandria
Diophantus of AlexandriaTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2139 Accepted Submission(s): 808Problem DescriptionDi
2014-02-10 22:42:13
562
原创 Move Move Look
Move Move LookTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 648 Accepted Submission(s): 421Problem DescriptionThere are two
2014-02-10 22:38:30
561
原创 找新朋友
找新朋友Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6591 Accepted Submission(s): 3426Problem Description新年快到了，“猪头帮协会”准备搞一个聚会，
2014-02-10 22:37:00
541
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