→ 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 |
window.in / standard output
2 s, 64 MB
|
|
 x858
|
| B |
standard input/output
1 s, 64 MB
|
|
x871
|
| C |
standard input/output
2 s, 64 MB
|
|
x693
|
| D |
standard input/output
1.5 s, 4 MB
|
|
x417
|
| E |
standard input/output
1 s, 64 MB
|
|
x380
|
| F |
standard input/output
2 s, 64 MB
|
|
x649
|
| G |
standard input/output
1 s, 64 MB
|
|
x591
|
| H |
standard input/output
2 s, 250 MB
|
|
x176
|
| I |
standard input/output
2 s, 64 MB
|
|
x594
|
| J |
standard input/output
1 s, 64 MB
|
|
x689
|
| K |
standard input/output
2 s, 64 MB
|
|
x47
|
Questions about problems
| Question | Answer | |
|---|---|---|
|
2020-08-13 05:28:12
|
There is a mistake in the statement of the problem D -- Xi CAN be 0
|
|
|
2016-08-26 23:16:04
|
Friends could be at the same intersection.
|
|
|
2016-06-14 12:00:18
|
we are sorry there was a mistake in time limit , now it's fixed and all solutions have been rejudged , sorry again
|
Codeforces (c) Copyright 2010-2026 Mike Mirzayanov
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