BUAA_Alchemist的博客

E. The Fair Nut and Stringstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputRecently, the Fair Nut has written k strings of length n, consistin...

Getting closer and closer to a mathematician, Serval becomes a university student on math major in Japari University. On the Calculus class, his teacher taught him how to calculate the expected length...

B. Circustime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputPolycarp is a head of a circus troupe. There are n — an even number — artists in the ...

1106: [POI2007]立方体大作战tetTime Limit: 10 Sec Memory Limit: 162 MBSubmit: 1046 Solved: 762[Submit][Status][Discuss]Description　　一个叫做立方体大作战的游戏风靡整个Byteotia。这个游戏的规则是相当复杂的，所以我们只介绍他的简单规则：给定玩家一个有2n个元素的...

E. Decypher the Stringtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThis is an interactive problem. Remember to flush your output while com...

C. Magic Shiptime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou a captain of a ship. Initially you are standing in a point (x1,y1) (obviousl...

 传送门：https://nanti.jisuanke.com/t/36108 本题出自计蒜客模拟赛。 比较容易猜的一个结论就是，题目中所说的势能，就是S除这个子集的gcd。 原因先看两个元素的集合，设为{a,b}，势能=lcm(Sa,Sb)=S2ab∗gcd(Sa,Sb)势能=lcm(\frac{S}{a},\frac{S}{b})=\frac{S^2}{ab*gcd(\frac{S}...

D. Destroy the Colonytime limit per test2 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputThere is a colony of villains with several holes aligned in a row, where...

B. Ultraman vs. Aodzilla and Bodzillatime limit per test2.0 smemory limit per test1024 MBinputstandard inputoutputstandard outputSix months ago our hero, formerly known as Huriyyah, was beating a...

D. Neko and Aki’s Pranktime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputNeko is playing with his toys on the backyard of Aki’s house. Aki decid...