SGU 208. Toral Tickets】的更多相关文章

208. Toral Tickets time limit per test: 0.25 sec. memory limit per test: 65536 KB input: standard output: standard On the planet Eisiem passenger tickets for the new mean of transportation are planned to have the form of tores. Each tore is made of a…
Tickets   Description Conductor is quite a boring profession, as all you have to do is just to sell tickets to the passengers. So no wonder that once upon a time in a faraway galaxy one conductor decided to diversify this occupation. Now this conduct…
题意简述:给你N和M,对于一个N∗M的单面方格纸你能够对它的每 个个格子黑白染色.然后把方格纸的长边卷起来,卷成一个圆柱体,然后再把 两个短边形成的圆也接起来.形成一个游泳圈的形状(我们染的色仅仅在游泳圈 的外表面).假设对于两种黑白染色方案.通过卷成这种游泳圈后,是一样 的.则这两种方案也是一样的.给定N,M<=20.求染色方案总数. 分析: 首先我们得会Pólya定理,參见http://wenku.baidu.com/view/bf92a95f804d2b160b4ec0be.html 依据…
Buy Tickets Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 19012   Accepted: 9442 Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue… The Lunar New Year wa…
 FZU 2112 Tickets Time Limit:3000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Practice Description You have won a collection of tickets on luxury cruisers. Each ticket can be used only once, but can be used in either direction betwee…
H. Tickets Jesus, what a great movie! Thousands of people are rushing to the cinema. However, this is really a tuff time for Joe who sells the film tickets. He is wandering when could he go back home as early as possible.A good approach, reducing the…
题目链接: 传送门 Buy Tickets Time Limit: 4000MS     Memory Limit: 65536K Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue- The Lunar New Year was approaching, but unluckily t…
水概率....SGU里难得的水题.... 495. Kids and Prizes Time limit per test: 0.5 second(s)Memory limit: 262144 kilobytes input: standardoutput: standard ICPC (International Cardboard Producing Company) is in the business of producing cardboard boxes. Recently the…
sgu 101 - Domino Time Limit:250MS     Memory Limit:4096KB     64bit IO Format:%I64d & %I64u Description Dominoes – game played with small, rectangular blocks of wood or other material, each identified by a number of dots, or pips, on its face. The bl…
http://acm.sgu.ru/problem.php?contest=0&problem=495 题意:N个箱子M个人,初始N个箱子都有一个礼物,M个人依次等概率取一个箱子,如果有礼物则拿出礼物放回盒子,如果没有礼物则不操作.问M个人拿出礼物个数的期望.(N,M<=100000) #include <cstdio> using namespace std; double mpow(double a, int n) { double r=1; while(n) { if(n&…