Okay so I was solving this October cook off question:
I used simple logic. Like straight forward logic. But I got the much expected TLE. My solution is here:
CodeChef: Practical coding for everyone (dont even bother reading it’s not worth it… )
So while going through the solutions I found this guy’s answer:
http://www.codechef.com/viewsolution/2866246
I have no idea what on earth has he done! He has used God knows what algorithm!! Can anybody be a lamb and explain what he has done?? I have been trying to figure it out since forever…