I - Forming Teams CodeForces - 216B One day n students come to the stadi...

M - 大明A+B HDU-1753 话说，经过了漫长的一个多月，小明已经成长了许多，所以他改了一个名字叫“大明”。这时他已经不是那个只会做10...

Q - Beautiful Paintings CodeForces - 651B There are n pictures delivered...

A - Transformation: from A to B CodeForces - 727A Vasily has a number a,...

E - Memory and Trident CodeForces - 712B Memory is performing a walk on ...

F - Preparing Olympiad CodeForces - 550B You have n problems. You have e...

A - Football POJ-3071 Consider a single-elimination football tournament ...

E - Help is needed for Dexter UVA - 11384 Dexter is tired of Dee Dee. So...

D - The least round way Codeforces Beta Round #2 There is a square matri...