The problem statement is included in a PDF, here's the url http://codeforces.com/gym/100676/attachments/download/3333/acm-arabella-collegiate-programming-contest-en.pdf
This is my submission : http://ideone.com/ydWkFG ( Submission ID : # http://codeforces.com/gym/100676/submission/13904264)
Getting MLE on submission, makes me think of my approach as an incorrect one. Please help to fix/correct the above mentioned approach, or provide hints towards the right approach , if mine is wrong.
Ty in advance. :) Warm Regards