
数学
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丢掉盔甲,我依然是骄傲帅气的骑士。
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HDOJ 题目18651sting(大数 斐波那契)
1stingTime Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3191 Accepted Submission(s): 1223Problem DescriptionYou will be given a str原创 2014-07-25 17:19:52 · 584 阅读 · 0 评论 -
HDOJ 题目1465 不容易系列一 (全错排)
不容易系列之一Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 14218 Accepted Submission(s): 5908Problem Description大家常常感慨,要做好一件事情真的不容易,确原创 2014-07-25 08:58:55 · 503 阅读 · 0 评论 -
HDOJ 题目2899 Strange fuction(数学 导数)
Strange fuctionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3079 Accepted Submission(s): 2278Problem DescriptionNow, here is a原创 2014-07-24 21:07:09 · 512 阅读 · 0 评论 -
HDOJ 题目2674N!Again(剩余定理 技巧)
N!AgainTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3324 Accepted Submission(s): 1788Problem DescriptionWhereIsHeroFrom:原创 2014-07-25 21:18:28 · 520 阅读 · 0 评论 -
HDOJ 题目1005 Number Sequence(剩余定理)
Number SequenceTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 102262 Accepted Submission(s): 24702Problem DescriptionA number se原创 2014-07-25 19:49:30 · 524 阅读 · 0 评论 -
HDOJ题目2105The Center of Gravity
The Center of GravityTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4112 Accepted Submission(s): 2371Problem DescriptionEveryone原创 2014-07-27 22:18:43 · 511 阅读 · 0 评论 -
HDOJ 题目2035人见人爱A^B(剩余定理 水题)
人见人爱A^BTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 22013 Accepted Submission(s): 15343Problem Description求A^B的最后三位数表示的整数。说明原创 2014-07-27 21:57:32 · 423 阅读 · 0 评论 -
HDOJ题目2086 A1 = ?(数学)
A1 = ?Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4782 Accepted Submission(s): 3057Problem Description有如下方程:Ai = (Ai-1 + Ai+1原创 2014-07-27 23:35:45 · 748 阅读 · 0 评论 -
HDOJ 题目2601 An easy problem(数学 水题)
An easy problemTime Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6196 Accepted Submission(s): 1490Problem DescriptionWhen Teddy was原创 2014-07-28 11:47:34 · 441 阅读 · 0 评论 -
HDOJ 题目1060Leftmost Digit(数学)
Leftmost DigitTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 12907 Accepted Submission(s): 4940Problem DescriptionGiven a positi原创 2014-07-27 15:13:52 · 538 阅读 · 0 评论 -
HDOJ 题目1717 小数化分数2(数学)
小数化分数2Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2971 Accepted Submission(s): 1213Problem DescriptionRay 在数学课上听老师说,任何小数都能表示成原创 2014-07-29 10:04:30 · 603 阅读 · 0 评论 -
HDOJ 题目2306 改革春风吹满地(数学 几何)
#include#includeint main(){int n;while(scanf("%d",&n)!=EOF,n){double x,y,sum=0,fx,fy,x0,y0,x1,y1,fx1,fy1;int i;scanf("%lf%lf%lf%lf",&x0,&y0,&x1,&y1);fx=(x1-x0);fy=(y1-y0);for(i原创 2014-08-05 00:48:39 · 572 阅读 · 0 评论 -
HDOJ 题目2036 改革春风吹满地(数学,几何,水题)
改革春风吹满地Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 18571 Accepted Submission(s): 9505Problem Description“ 改革春风吹满地,不会AC没关系;原创 2014-08-05 08:38:45 · 549 阅读 · 0 评论 -
HDOJ 题目1799 循环多少次(数学 递推)
循环多少次?Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2773 Accepted Submission(s): 1004Problem Description 我们知道,在编程中,我们时常需要考虑到时间原创 2014-07-31 10:43:36 · 598 阅读 · 0 评论 -
HDOJ 题目2178 猜数字(数学)
猜数字Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3244 Accepted Submission(s): 2345Problem DescriptionA有1数m,B来猜.B每猜一次,A就说"太大","太原创 2014-08-19 19:00:39 · 744 阅读 · 0 评论 -
HDOJ 题目4497 GCD and LCM (组合数学,gcd性质)
GCD and LCM Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 950 Accepted Submission(s): 443Problem DescriptionGiven two positive原创 2014-08-18 16:05:03 · 766 阅读 · 0 评论 -
NYOJ 题目105 九的余数(数学)
九的余数时间限制:3000 ms | 内存限制:65535 KB难度:3描述现在给你一个自然数n,它的位数小于等于一百万,现在你要做的就是求出这个数整除九之后的余数。输入第一行有一个整数m(1随后m行每行有一个自然数n。输出输出n整除九之后的余数,每次输出占一行。样例输入345465456541样例输出4原创 2014-08-07 00:44:00 · 1095 阅读 · 0 评论 -
HDOJ 题目1133Buy the Ticket(大数,数学)
Buy the TicketTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4606 Accepted Submission(s): 1949Problem DescriptionThe "Harry Pott原创 2014-08-20 20:10:55 · 589 阅读 · 0 评论 -
HDOJ题目1058Humble Numbers(数学,丑数)
Humble NumbersTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 17104 Accepted Submission(s): 7434Problem DescriptionA number whose原创 2014-08-07 22:28:42 · 683 阅读 · 0 评论 -
NYOJ 题目333mdd的烦恼(欧拉函数)
mdd的烦恼时间限制:1000 ms | 内存限制:65535 KB难度:3描述今天mdd看到这么一段话:在数论,对正整数n,欧拉函数是少于或等于n的数中与n互质的数的数目。此函数以其首名研究者欧拉命名,它又称为Euler's totient function、φ函数、欧拉商数等。 例如φ(8)=4,因为1,3,5,7均和8互质。于是他想用计算机实现原创 2014-09-06 01:16:18 · 616 阅读 · 0 评论 -
HDOJ 题目2588 GCD(欧拉函数)
GCDTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1074 Accepted Submission(s): 486Problem DescriptionThe greatest common div原创 2014-09-05 18:49:54 · 575 阅读 · 0 评论 -
HDOJ题目2529shot(数学)
ShotTime Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 707 Accepted Submission(s): 434Problem Description“超人”霍华德在NBA扣篮大赛上要求把篮筐升高表演扣篮原创 2014-08-07 23:48:06 · 594 阅读 · 0 评论 -
HDOJ 题目1086You can Solve a Geometry Problem too(数学)
You can Solve a Geometry Problem tooTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7445 Accepted Submission(s): 3626Problem Descri原创 2014-08-20 20:05:56 · 789 阅读 · 0 评论 -
HDOJ 题目4112Break the Chocolate(数学)
Break the ChocolateTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4066 Accepted Submission(s): 1287Problem Description原创 2014-09-06 00:32:09 · 635 阅读 · 0 评论 -
HDOJ 题目4556Stern-Brocot Tree(数学,欧拉函数)
Stern-Brocot TreeTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 485 Accepted Submission(s): 264Problem Description原创 2014-09-05 16:31:37 · 818 阅读 · 0 评论 -
NYOJ 题目569最大公约数之和(欧拉函数,数学)
最大公约数之和时间限制:1000 ms | 内存限制:65535 KB难度:4描述题目很简单,求出:输入每行一个数n(n输出每个结果占一行。样例输入12样例输出40来源rihkddd原创上传者rihkddd原创 2014-09-19 00:59:09 · 654 阅读 · 0 评论 -
HDOJ题目1492The number of divisors(约数) about Humble Numbers(数学)
The number of divisors(约数) about Humble NumbersTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2538 Accepted Submission(s): 1231Pro原创 2014-08-10 23:05:04 · 387 阅读 · 0 评论 -
HDOJ题目4985Little Pony and Permutation(置换群)
Little Pony and PermutationTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 230 Accepted Submission(s): 157Problem Description原创 2014-09-06 23:09:06 · 660 阅读 · 0 评论 -
HDOJ题目1220 Cube(组合数学)
CubeTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1351 Accepted Submission(s): 1069Problem DescriptionCowl is good at solving m原创 2014-08-10 22:12:02 · 637 阅读 · 0 评论 -
HDOJ题目1593find a way to escape(数学)
find a way to escapeTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1381 Accepted Submission(s): 504Problem Description一日,话说0068与原创 2014-08-11 01:08:35 · 806 阅读 · 0 评论 -
HDOJ 题目2058The sum problem(数学)
The sum problemTime Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 15381 Accepted Submission(s): 4620Problem DescriptionGiven a s原创 2014-08-23 02:10:38 · 389 阅读 · 0 评论 -
HDOJ 题目1439Cipher(置换群)
CipherTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 386 Accepted Submission(s): 171Problem DescriptionBob and Alice started原创 2014-09-06 20:32:13 · 534 阅读 · 0 评论 -
HDOJ题目1701ACMer(数学)
ACMerTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3733 Accepted Submission(s): 1712Problem DescriptionThere are at least P% an原创 2014-08-11 08:50:55 · 570 阅读 · 0 评论 -
HDOJ 题目4535 吉哥系列故事——礼尚往来(错排)
寻人启事:2014级新生看过来!吉哥系列故事——礼尚往来Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 996 Accepted Submission(s): 524原创 2014-09-08 17:35:58 · 644 阅读 · 0 评论 -
HDOJ 题目1722 Cake(数学)
CakeTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2055 Accepted Submission(s): 1066Problem Description一次生日Party可能有p人或者q人参加,原创 2014-09-08 17:23:04 · 477 阅读 · 0 评论 -
HDOJ题目1290献给杭电五十周年校庆的礼物(数学,递推)
献给杭电五十周年校庆的礼物Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7314 Accepted Submission(s): 3981Problem Description或许你曾经牢骚满腹或许你依然原创 2014-08-12 01:06:43 · 653 阅读 · 0 评论 -
HDOJ题目2095find your present (2)(数学,异或消除)
find your present (2)Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/1024 K (Java/Others)Total Submission(s): 15376 Accepted Submission(s): 5838Problem DescriptionIn the n原创 2014-08-11 11:05:46 · 604 阅读 · 0 评论 -
HDOJ 题目2824 The Euler function(欧拉函数)
The Euler functionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3752 Accepted Submission(s): 1547Problem DescriptionThe Eul原创 2014-09-08 16:51:29 · 595 阅读 · 0 评论 -
NYOJ 题目3多边形重心问题(数学几何)
多边形重心问题时间限制:3000 ms | 内存限制:65535 KB难度:5描述在某个多边形上,取n个点,这n个点顺序给出,按照给出顺序将相邻的点用直线连接, (第一个和最后一个连接),所有线段不和其他线段相交,但是可以重合,可得到一个多边形或一条线段或一个多边形和一个线段的连接后的图形; 如果是一条线段,我们定义面积为0,重心坐标为(0,0).现在求给出原创 2014-08-25 00:25:57 · 702 阅读 · 0 评论 -
HDOJ题目2502月之数(数学,递推)
月之数Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6468 Accepted Submission(s): 3834Problem Description当寒月还在读大一的时候,他在一本武林秘籍中(据后来考原创 2014-08-12 19:20:25 · 590 阅读 · 0 评论