题目: Nowadays spaceships are never launched from the Earth's surface. There is a huge spaceport placed in the geostationary orbit and connected to the Earth with carbon nanotube cables. People and cargo are delivered to the orbit by elevators moving a…

啥也不说了,直接看图吧…… 代码如下: #include<stdio.h> #include<iostream> #include<math.h> using namespace std; #define LL long long struct point { LL x,y,z; }; bool fun(point a,point b,point c,point d) { point p1, p2,p3; p1.x = a.x-d.x; p1.y = a.y-d.y;…

1075. Thread in a Space Time limit: 1.0 secondMemory limit: 64 MB There are three points in a 3-dimensional space: A, B and C. All the coordinates of the points are integer numbers with absolute values not greater than 1000. A solid ball with a cente…

B - Space BowlingTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=87643#problem/B Description The inhabitants of planets orbiting around the pulsar PSR 2010+15 enjoy playing space bowling. A few cylin…

2073. Log Files Time limit: 1.0 secondMemory limit: 64 MB Nikolay has decided to become the best programmer in the world! Now he regularly takes part in various programming contests, attentively listens to problems analysis and upsolves problems. But…

2069. Hard Rock Time limit: 1.0 secondMemory limit: 64 MB Ilya is a frontman of the most famous rock band on Earth. Band decided to make the most awesome music video ever for their new single. In that music video Ilya will go through Manhattan standi…

2065. Different Sums Time limit: 1.0 secondMemory limit: 64 MB Alex is a very serious mathematician and he likes to solve serious problems. For example, this problem. You are to construct an array of n integers in which the amount of different intege…

1249. Ancient Necropolis Time limit: 5.0 secondMemory limit: 4 MB Aerophotography data provide a bitmap picture of a hard-to-reach region. According to the suggestions of scientists, this region is a cemetery of an extinct civilization. Indeed, the p…

1072. Routing Time limit: 1.0 secondMemory limit: 64 MB There is a TCP/IP net of several computers. It means that: Each computer has one or more net interfaces. Each interface is identified by its IP-address and a subnet mask — these are two four-byt…

1071. Nikifor 2 Time limit: 1.0 secondMemory limit: 64 MB Nikifor has a number x. He doesn't need it. He needs a number y. Nikifor tries to obtain the required number by erasing some digits from x. But he is not lucky in the meanwhile. May be he is t…

1070. Local Time Time limit: 1.0 secondMemory limit: 64 MB Soon the USU team will go to Vancouver to participate in the final of the ACM International Collegiate Programming Contest. They will be to take four different planes (three changes on the wa…

1069. Prufer Code Time limit: 0.25 secondMemory limit: 8 MB A tree (i.e. a connected graph without cycles) with vertices is given (N ≥ 2). Vertices of the tree are numbered by the integers 1,…,N. A Prufer code for the tree is built as follows: a leaf…

1339. Babies Time limit: 1.0 secondMemory limit: 64 MB O tempora! O mores! Present-day babies progress quickly. There are exactly k boys and k girls in the kindergarten. Some boys like some girls. But in this age the boys are still knights, so, if so…

http://acm.timus.ru/problem.aspx?space=1&num=1936 F - Roshambo Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice URAL Description Bootstrap: Wondering how it's played? Will: It's a game of deception. But y…

http://acm.timus.ru/problem.aspx?space=1&num=1932 B - The Secret of Identifier Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice URAL Description Davy Jones: You've been captain of the Black Pearl for 13 y…

1272. Non-Yekaterinburg Subway Time limit: 1.0 secondMemory limit: 64 MB A little town started to construct a subway. The peculiarity of the town is that it is located on small islands, some of them are connected with tunnels or bridges. The mayor is…

1269. Obscene Words Filter Time limit: 0.5 secondMemory limit: 8 MB There is a problem to check messages of web-board visitors for the obscene words. Your elder colleagues commit this problem to you. You are to write a program, which check if there i…

1247. Check a Sequence Time limit: 0.5 secondMemory limit: 64 MB There is a sequence of integer numbers A1, A2, …, AS, and a positive integer N. It's known that all elements of the sequence {Ai} satisfy the restriction 0 ≤ Ai ≤ 100. Moreover, it's kn…

1246. Tethered Dog Time limit: 1.0 secondMemory limit: 64 MB A dog is tethered to a pole with a rope. The pole is located inside a fenced polygon (not necessarily convex) with nonzero area. The fence has no self-crosses. The Olympian runs along the f…

1244. Gentlemen Time limit: 0.5 secondMemory limit: 64 MB Let's remember one old joke: Once a gentleman said to another gentleman:— What if we play cards?— You know, I haven't played cards for ten years…— And I haven't played for fifteen years…So, li…

1242. Werewolf Time limit: 1.0 secondMemory limit: 64 MB   Knife. Moonlit night. Rotten stump with a short black-handled knife in it. Those who know will understand. Disaster in the village. Werewolf. There are no so many residents in the village. Ma…

1218. Episode N-th: The Jedi Tournament Time limit: 1.0 secondMemory limit: 64 MB Decided several Jedi Knights to organize a tournament once. To know, accumulates who the largest amount of Force. Brought each Jedi his lightsaber with him to the tourn…

1741. Communication Fiend Time limit: 1.0 second Memory limit: 64 MB Kolya has returned from a summer camp and now he's a real communication fiend. He spends all his free time on the Web chatting with his friends via ICQ. However, lately the protocol…

NYOJ 239:http://acm.nyist.net/JudgeOnline/problem.php?pid=239 ural 1109 :http://acm.timus.ru/problem.aspx?space=1&num=1109 NYOJ 月老的难题,是裸的最大匹配,很烦的是邻接阵超时.改用邻接表. #include <bits/stdc++.h> using namespace std; #define maxn 1005 vector <int> G[m…

ural 1091 题目链接:http://acm.timus.ru/problem.aspx?space=1&num=1091 题意是从1到n的集合里选出k个数,使得这些数满足gcd大于1 解法: 因子有2的数: 2,4,6,8,10,12,14... 因子有3的数:3,6,9,12,15,18,21... 因子有5的数:5,10,15,18,21,24... 可以看出这里求出的集合时会有重复的,得去从.可惜没有学过容斥原理.不过解决这题还是没问题的. 50以内的素因子有:2, 3, 5, 7…

2025. Line Fighting Time limit: 1.0 second Memory limit: 64 MB Boxing, karate, sambo- The audience is sick of classic combat sports. That is why a popular sports channel launches a new competition format based on the traditional Russian entertainment…

1796. Amusement Park Time limit: 1.0 second Memory limit: 64 MB On a sunny Sunday, a group of children headed by their teacher came to an amusement park. Aunt Frosya,who was a very kind and quiet person, worked at the ticket window on that day. The t…

题目链接:space=1&num=1820" target="_blank">http://acm.timus.ru/problem.aspx? space=1&num=1820 1820. Ural Steaks Time limit: 0.5 second Memory limit: 64 MB After the personal contest, happy but hungry programmers dropped into the rest…

1792. Hamming Code Time limit: 1.0 second Memory limit: 64 MB Let us consider four disks intersecting as in the figure. Each of the three shapes formed by the intersectionof three disks will be called a petal. Write zero or one on each of the disks.…

URAL 1707. Hypnotoad's Secret space=1&num=1707" target="_blank" style="">题目链接 题意:这题设置的恶心不能多说.构造点和矩形.大概就是问每一个矩形里面是否包括点 思路:树状数组.把点排序,按y轴,在按x轴.在按询问,这样每次遇到一个点就在对应的扫描线上加.遇到查询就询问出左边到这个点位置的,就能预处理出每一个点左下角包括的点的个数,然后每一个矩形再利用容斥原理去搞一下就…