Codeforces Round 1133 (Div. 1, Div. 2) is coming soon! Register here.
→ About Contest
Official Competition to choose which teams of the Universidad Nacional de Colombia Qualify to the National Competition
→ 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, 256 MB
|
|
 x143
|
| B |
standard input/output
1 s, 256 MB
|
|
x62
|
| C |
standard input/output
1 s, 256 MB
|
|
x328
|
| D |
standard input/output
2 s, 512 MB
|
|
x88
|
| E |
standard input/output
1 s, 256 MB
|
|
x74
|
| F |
standard input/output
0.5 s, 256 MB
|
|
x212
|
| G |
standard input/output
1 s, 512 MB
|
|
x107
|
| H |
standard input/output
2 s, 128 MB
|
|
x378
|
| I |
standard input/output
1 s, 256 MB
|
|
x345
|
| J |
standard input/output
1 s, 256 MB
|
|
x90
|
| K |
standard input/output
2.5 s, 256 MB
|
|
x176
|
| L |
standard input/output
2 s, 256 MB
|
|
x29
|
| M |
standard input/output
1 s, 256 MB
|
|
x277
|
Questions about problems
| Question | Answer |
|---|
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