→ 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 |
standard input/output
2 s, 256 MB
|
|
 x769
|
| B |
standard input/output
1 s, 256 MB
|
|
x1727
|
| C |
standard input/output
1 s, 256 MB
|
|
x1084
|
| D |
standard input/output
1 s, 256 MB
|
|
x374
|
| E |
standard input/output
1 s, 256 MB
|
|
x30
|
| F |
standard input/output
1 s, 256 MB
|
|
x52
|
| G |
standard input/output
2 s, 512 MB
|
|
x106
|
| H |
standard input/output
2 s, 256 MB
|
|
x515
|
| I |
standard input/output
1 s, 256 MB
|
|
|
| J |
standard input/output
1 s, 256 MB
|
|
x8
|
| K |
standard input/output
6 s, 256 MB
|
|
x3
|
| L |
standard input/output
1 s, 256 MB
|
|
x296
|
| M |
standard input/output
6 s, 256 MB
|
|
x15
|
Questions about problems
| Question | Answer | |
|---|---|---|
|
2020-08-31 23:24:46
|
In problem E, 1 <= n <= 3*10^5 (not 10^5). Sorry for the inconvenience.
|
Codeforces (c) Copyright 2010-2026 Mike Mirzayanov
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