codechef-airline restictions problem

[Harshit3107]

i want to add airline restrictions codechef problem LINK: https://www.codechef.com/SEPT21C/problems/AIRLINE

[pandapritish25]

Basically I am giving the solution to this problem kindly check the solution .

[pandapritish25]

creating a new file under the codechef file and adding the file in that name of the problem airline restriction