steinum

You are given an array s1​,s2​,…,sn​ of length n and an arbitrary integer x. For an array, c1​,c2​,…...

Cats everywhere! I came back home after being far away for a long time. Two of my sisters are very f...

Given a k degree polynomial P(x)=∑i=0k​ai​xi (0≤ai​≤7) and f(n)=“number of such polynomial so that ...

You are given n strings s1​,s2​,s3​,…,sn​ and should process m queries. Each query is described by f...