滴水穿石，慢慢积累，总会有成果

Treasure HuntTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 6138 Accepted: 2548DescriptionArcheologists from the Antiquities and Curios Museum (ACM) have

Pick-up sticksTime Limit: 3000MS Memory Limit: 65536KTotal Submissions: 11329 Accepted: 4247DescriptionStan has n sticks of various length. He throws them one at a

Dancing Stars on MeTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 105    Accepted Submission(s): 74Problem DescriptionThe sky was

FishnetTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 1935 Accepted: 1242DescriptionA fisherman named Etadokah awoke in a very small island. He could see

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）.现在求给出的点集组成的

You can Solve a Geometry Problem tooTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9206    Accepted Submission(s): 4509Problem Descri

TOYSTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 12533 Accepted: 6066DescriptionCalculate the number of toys that land in each bin of a partitioned toy

Toy StorageTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 4851 Accepted: 2878DescriptionMom and dad have a problem: their child, Reza, never puts his toy

D. Polylinetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are three points marked on the coordinate plane. The

I Think I Need a HouseboatTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 95428 Accepted: 41554DescriptionFred Mapper is considering purchasing some land

Space AntTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 3816 Accepted: 2386DescriptionThe most exciting space discovery occurred at the end of the 20th c

A. Wilbur and Swimming Pooltime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAfter making bad dives into swimming pools

题目链接：http://www.lightoj.com/volume_showproblem.php?problem=1062题意：两根棍子斜放在墙上，给你棍子的长度和他们交点距离地面的高度 ，求两个墙之间的距离 思路：直接枚举距离二分即可 ac代码：#include<stdio.h>#include<math.h>#include<string.h>#include<stack>#i

题目链接：http://www.lightoj.com/volume_showproblem.php?problem=1385题意：给你一个分成了四部分的三角形，已知a,b,c，求d是否存在思路：链接EF，设XEF为s1，AEF为x2，根据题目我们可以求得两个等式：s1/A=C/B,(A+s1+s2)/(B+C)=s2/(s1+C)，化简求即可ac代码：#include<stdio.h>#incl

题目链接：http://codeforces.com/problemset/problem/140/A题意：给你一个大圆半径R，一个小圆半径r，问是否能在R中放置n个小圆，小圆必须贴着大圆的边思路：求出r在R中最多能放多少个，注意特判，向下取整过程中需要加精度ac代码：#include<stdio.h>#include<math.h>#include<string.h>#include<sta

tetrahedron Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 569 Accepted Submission(s): 219Problem Description Given four points ABCD, if

promise me a medal时间限制：1000 ms  |  内存限制：65535 KB难度：2描述   you all know that creat2012 will go to a regional. and i want you all pray for us. thx.  for this problem, you need judge if two se

House BuildingTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 96    Accepted Submission(s): 77Problem DescriptionHave you ever pla

最大四边形时间限制：1000 ms  |  内存限制：65535 KB难度：2描述 平面坐标上有n个点，你知道能组成四边形中面积最大的是多少吗？输入有多组测试数据第一行整数n，表示有n个点，( 4然后n行，每行x，y表示点的坐标。(没有重复的点)输出最大四边形的面积.(保留六位小数)样例输入50 00 44 04 42 3样例输出16.000000

Shape of HDUTime Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6850    Accepted Submission(s): 3087Problem Description话说上回讲到海东集团推选老总的事情

CowsTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 7869 Accepted: 3565DescriptionYour friend to the south is interested in building fences and turning

UmBasketellaTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 6491 Accepted: 2525DescriptionIn recent days, people always design new things with multifu

The DoorsTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 7392 Accepted: 2900DescriptionYou are to find the length of the shortest path through a chamber c

Grandpa's EstateTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 11990 Accepted: 3340DescriptionBeing the only living descendant of his grandfather, Kamran

Rotating ScoreboardTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 6190 Accepted: 2447DescriptionThis year, ACM/ICPC World finals will be held in a hall

Video SurveillanceTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 3612 Accepted: 1617DescriptionA friend of yours has taken the job of security officer at

题目链接：http://acm.uestc.edu.cn/#/problem/show/1265思路：因为城市是正方形，所以说取x轴的最大差值和y轴的最大差值的最大值，然后平方ac代码：#include#include#include#include#include#include#include#include#define MAXN 1010000

Art GalleryTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 6318 Accepted: 2627DescriptionThe art galleries of the new and very futuristic building of the

改革春风吹满地Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 24595    Accepted Submission(s): 12697Problem Description“ 改革春风吹满地,不会AC没关系;

Lifting the StoneTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6730    Accepted Submission(s): 2801Problem DescriptionThere are ma

Clarke and five-pointed starTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 420    Accepted Submission(s): 227Problem DescriptionCla

Intersecting LinesTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 12831 Accepted: 5697DescriptionWe all know that a pair of distinct points on a plane def

IntersectionTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 13106 Accepted: 3412DescriptionYou are to write a program that has to decide whether a given l

Lan Xiang's Square时间限制：1000 ms  |  内存限制：65535 KB难度：0描述        Excavator technology which is strong, fast to Shandong to find Lan Xiang.       Then the question comes.. :)       for thi

C. Recycling Bottlestime limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard outputIt was recycling day in Kekoland. To celebrate it Adil and Bera w