→ About Contest
Andrew Stankevich — Gold and Silver Medalist of ACM-ICPC, associate professor in Saint Petersburg University ITMO, SPb NRU ITMO teams coach, that became ACM-ICPC World Champions for 5 times. His contests have been used in Summer and Winter Petrozavodsk Camps since 2003. The contests are considered to be among the most interesting and well-prepared contests used at this international training camp. Contests materials are distributed under Creative Commons 4.0 Attribution license.
→ Virtual participation
Virtual contest is a way to take part in past contest, as close as possible to participation on time. It is supported only ICPC mode for virtual contests.
If you've seen these problems, a virtual contest is not for you - solve these problems in the archive.
If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.
Never use someone else's code, read the tutorials or communicate with other person during a virtual contest.
→ Practice?
Want to solve the contest problems after the official contest ends? Just register for practice and you will be able to submit solutions.
→ Contest materials
Problems
| # | Name | ||
|---|---|---|---|
| A |
average.in / average.out
2 s, 256 MB
|
|
 x170
|
| B |
binary.in / binary.out
1 s, 256 MB
|
|
x302
|
| C |
collision.in / collision.out
1 s, 256 MB
|
|
x47
|
| D |
dual.in / dual.out
2 s, 256 MB
|
|
x61
|
| E |
elections.in / elections.out
3 s, 256 MB
|
|
x146
|
| F |
free.in / free.out
1 s, 256 MB
|
|
x251
|
| G |
gas.in / gas.out
1 s, 256 MB
|
|
x281
|
| H |
handsome.in / handsome.out
1 s, 256 MB
|
|
x284
|
| I |
intouch.in / intouch.out
2 s, 256 MB
|
|
x312
|
| J |
jumbo.in / jumbo.out
2 s, 256 MB
|
|
x16
|
Questions about problems
| Question | Answer |
|---|
Codeforces (c) Copyright 2010-2026 Mike Mirzayanov
The only programming contests Web 2.0 platform
Server time: May/22/2026 12:15:05 (g1).
Desktop version, switch to mobile version.
Supported by
