原创 Frogs （hdu5514）——2015ACM/ICPC亞洲區瀋陽站（容斥定理）
There are mm stones lying on a circle, and nn frogs are jumping over them. The stones are numbered from 00 to m−1m−1
2020-06-30 02:37:06
原创 Game of Taking Stones （hdu5973）——2016大連現場賽C題 威佐夫博弈
Two people face two piles of stones and make a game. They take turns to take stones. As game rules, there are two diffe
2020-06-30 02:37:06
原创 Public Sale（hdu2149）巴什博弈
Problem Description 雖然不想，但是現實總歸是現實，Lele始終沒有逃過退學的命運，因爲他沒有拿到獎學金。現在等待他的，就是像FarmJohn一樣的農田生涯。 要種田得有田纔行，Lele聽說街上正在舉行一場別開生面的拍賣
2020-06-30 02:37:05
原创 取石子游戲（hdu1527）
Problem Description 有兩堆石子，數量任意，可以不同。遊戲開始由兩個人輪流取石子。遊戲規定，每次有兩種不同的取法，一是可以在任意的一堆中取走任意多的石子；二是可以在兩堆中同時取走相同數量的石子。最後把石子全部取完者爲勝者
2020-06-30 02:37:05
原创 Game of Flying Circus --(hdu5515)
The discovery of anti-gravitations technology changed the world. The invention of anti-gravitation shoes (Grav-shoes) e
2020-06-30 02:37:05
原创 Kanade's sum（hdu 6058)
Problem Description Give you an array A[1..n]of length n. Let f(l,r,k) be the k-th largest element of A[l..r]. Specia
2020-06-30 02:37:05
原创 Intersection （hdu-5120）
Matt is a big fan of logo design. Recently he falls in love with logo made up by rings. The following figures are some
2020-06-30 02:37:05
原创 kiki's game（hdu2147）
Problem Description Recently kiki has nothing to do. While she is bored, an idea appears in his mind, she just playes t
2020-06-30 02:37:05
原创 Square Coins （hdu1398）
Problem Description People in Silverland use square coins. Not only they have square shapes but also their values are s
2020-02-23 17:24:31
原创 Collision （hdu-5114）
Matt is playing a naive computer game with his deeply loved pure girl. The playground is a rectangle with walls around
2020-02-23 17:24:31
原创 An Easy Physics Problem （hdu5572） 2015ACM/ICPC亞洲區上海站
On an infinite smooth table, there's a big round fixed cylinder and a little ball whose volume can be ignored. Current
2020-02-23 17:24:31
原创 Rikka with Subset（hdu6092）
Problem Description As we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some ma
2020-02-23 17:24:31
原创 TrickGCD————（hdu6053）2017多校（莫比烏斯容斥）
Problem Description You are given an array A , and Zhu wants to know there are how many different array B satisfy t
2020-02-23 17:24:31
原创 Unknown Treasure ————（hdu5446） 中國剩餘定理+盧卡斯定理
On the way to the next secret treasure hiding place, the mathematician discovered a cave unknown to the map. The mathem
2020-02-23 17:24:31
原创 Pagodas --（hdu5512）2015ACM/ICPC亞洲區瀋陽站
nn pagodas were standing erect in Hong Jue Si between the Niushou Mountain and the Yuntai Mountain, labelled from 11 t
2020-02-23 17:24:31