Help in a question

You are given n people in a row, k of whom are infected with a disease, number of ways in which disease can spread to all n people considering At any point it only spreads from one person to one of its neighbour

Link to the problem ?

1 Like

As the question has been asked by a senior, I do not really have the link.

Then I don’t think people will help here because some people cheat in a contest by asking such questions without link.


Why don’t you ask your senior :stuck_out_tongue: ?