n3wb13_223

This is the year 3202. 300 years ago, AI got so much smart that AI took control over its creators. N...

Anina is a girl who is very much interested in mathematics. She likes to solve Geometry and Counting...

This Christmas Anina and her friends have decided to make some Christmas trees to decorate her town....

In the ICPC regional contest, you have got rejected for the ICPC World Finals contest selection. But...

This Problem is very straightforward. Let’s define a function InvCnt(p) where p is a permutation of ...

King of Babuland is going through a tough time because of a migrating group of bandits which came to...