So, my question is how do I practice. Wish to participate in IOI.

Keeping that in mind, how do you suggest I should practice, assuming I have 3 hours of time everyday. I thought of doing Atcoder, to improve my thinking skills, but I have noticed that IOI problems often require much more coding than simple Atcoder problems. OI checklist is one such option, but I wish to do that a bit later. Further, how helpful is Topcoder for OI styled problems. Should I practice from ICPC problems sets?

Can someone suggest me a sources as to where to practice from? Or like your own experiences of success and how and from where you practised.

You can assume my probable CF rating to be purple.

Hi, Can someone help me with this problem from NOI.

Thanks for any help.

PS:ko_osaga can you provide hints as u already ACd it.

Hi, I am new to codeforces :D

I was trying this problem, and I have a doubt in the editorial given here.

How do we represent the function F without the parameter H? We cannot create a DP table if H was there as it would be too large. Also, H has to be a part of the function somehow. Can anyone explain how to maintain that constraint?

Thanks for any help!