Palindromic Naming Convention

In Strangeland, people name their child in a cute way. I'm sure you already know the way by the prob...

Isomorphic Graph

You are given two connected graphs G1G_1G1​ and G2G_2G2​. Both of the graphs have NNN vertices and N...

Batman Needs Your Help!

Hello Batman or Joker fans!! You all know that in the history of movie, one of the smartest villain ...