Hi everyone!

Codeforces Round #448 (Div.2) takes place on 26th of November at 19:05 MSK. As usual, Div.1 participants can join out of competition.

This is my second round on Codeforces! I advise you to read all of the 5 problems. Hope everyone will find something interesting.

I'd like to thank vintage_Vlad_Makeev for coordination, igdor99 for helping me in developing problems. And, surely, thanks to Tommyr7, Arpa, 300iq for testing this round.

Of course, many thanks to MikeMirzayanov for great Codeforces and Polygon platforms.

Scoring: 500-1000-1750-2000-2250

High ratings to everybody!

UPD: Contest is finished. Editorial will be posted soon.

UPD: Editorial

Congratulations to the winners!!!

Div1

1. uwi

2. Benq

3. irkstepanov

4. dreamoon_love_AA

5. JustasK

6. eddy1021

7. yancouto

8. chemthan

9. Nephren_Ruq_Insania

10. KrK

Div2

1. Nephren_Ruq_Insania

2. Mahan_sh

3. lsrothy

4. ngfam

5. georgerapeanu

6. ZalBinHassan

7. mtkaya

8. Bodo

9. szhouan

10. fchirica