Join Mr Robot

Mr. Robot is an awesome hacker. And a haker cannot be a good hacker without knowing how to code well ! He is forming a group of hackers that will join him and explore the wrong deeds of E Corp, by hacking into there systems. He needs to make sure that the team he forms is as good as possible, at hacking and coding. So he gives them a challenge to solve and it is something like this: You need to c