→ About Contest
→ 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
1 s, 64 MB
|
|
 x71
|
| B |
standard input/output
1 s, 256 MB
|
|
x18
|
| C |
standard input/output
1 s, 256 MB
|
|
x38
|
| D |
standard input/output
3 s, 512 MB
|
|
x31
|
| E |
standard input/output
1 s, 64 MB
|
|
x75
|
| F |
standard input/output
3 s, 512 MB
|
|
x29
|
| G |
standard input/output
0.5 s, 64 MB
|
|
x50
|
| H |
standard input/output
0.3 s, 512 MB
|
|
x30
|
Questions about problems
| Question | Answer | |
|---|---|---|
|
2021-12-09 21:14:50
|
It wasn't specified very clearly in the statement, but for all update queries, node u is guaranteed to be a leaf.
|
|
|
2021-12-09 14:01:26
|
There is a critical issue with the checker, which causes it to give more points than intended. We are aware of this, it will be fixed soon. All solutions will be rejudged afterwards. Sorry for the inconvenience!
|
|
|
2021-12-04 21:58:14
|
The explanation for the first testcase is wrong. "WYWYWYW" is not a rubik string. A correct answer for this testcase would be "WRWOWBW". This should be fixed soon, sorry for the incovenience!
|
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