Northern Eurasia Camp 2025, Upsolving problems

1A

Acridity and Sourness

Limits: 1 second / 1 GB


1B

Broken Key

Limits: 1 second / 1 GB


1C

Counting Triangles

Limits: 1 second / 1 GB


1D

Do the Inspection

Limits: 3 seconds / 1 GB


1E

Emerald Shop

Limits: 1 second / 1 GB


1F

Function and String

Limits: 1 second / 1 GB


1G

Giant Playlist

Limits: 1 second / 1 GB


1H

How Many Ways to Pack?

Limits: 1 second / 1 GB


1I

In One Row

Limits: 1 second / 1 GB


1J

Japanese Art

Limits: 1 second / 1 GB


1K

Know Your Prefix

Limits: 1 second / 1 GB


1L

Leave Only Root

Limits: 1 second / 1 GB


2A

Arithmetic Progression

Limits: 1 second / 1024.0 MB


2B

Binary Tandem

Limits: 1 second / 1024.0 MB


2C

Counting Paths

Limits: 5 seconds / 1024.0 MB


2D

Dota Limit

Limits: 1 second / 1024.0 MB


2E

Exactly X Pairs

Limits: 2 seconds / 1024.0 MB


2F

Fastest Sort

Limits: 1 second / 1024.0 MB


2G

Great Pairs

Limits: 2 seconds / 1024.0 MB


2H

Hamiltonian-ish Path

Limits: 1 second / 1024.0 MB


2I

Independent Cuts

Limits: 5 seconds / 1024.0 MB


2J

Joy of Geometry

Limits: 1 second / 1024.0 MB


2K

K Segments

Limits: 1 second / 1024.0 MB


2L

L2 Norm

Limits: 15 seconds / 1024.0 MB


3A

A Sorting Master

Limits: 1 second / 1 GB


3B

Black and White Vertices

Limits: 1 second / 1 GB


3C

Calculations With Random

Limits: 2 seconds / 1 GB


3D

Degree of Asymmetry

Limits: 2 seconds / 1 GB


3E

Easy Game

Limits: 1 second / 1 GB


3F

First Actions

Limits: 2 seconds / 1 GB


3G

Gem Mine

Limits: 3 seconds / 1 GB


3H

Hack the Binary String

Limits: 8 seconds / 1 GB


3I

Interesting Sets

Limits: 1 second / 1 GB


3J

Joy of Short Statement

Limits: 1 second / 1 GB


3K

Komogu

Limits: 1 second / 1 GB


3L

Locate and Destroy

Limits: 3 seconds / 1 GB


4A

Astana Hard Metro

Limits: 3 seconds / 1 GB


4B

Beggar Robin

Limits: 1 second / 1024.0 MB


4C

Cost of Conflicts

Limits: 15 seconds / 1 GB


4D

Digesting

Limits: 1 second / 1024.0 MB


4E

Easter Eggs

Limits: 4 seconds / 1024.0 MB


4F

Fresh Cartridges

Limits: 2 seconds / 1024.0 MB


4G

Game Show: XOR Edition

Limits: 2 seconds / 1024.0 MB


4H

Hockey Hog

Limits: 4 seconds / 1024.0 MB


4I

Incident in the Bakery

Limits: 1 second / 1 GB


4J

Jaded Juice

Limits: 2 seconds / 1024.0 MB


4K

Kitchen Knives

Limits: 2 seconds / 1024.0 MB


4L

Leave Triple \& Link Tree

Limits: 3 seconds / 1024.0 MB


4M

Minecraft Spiderweb

Limits: 3 seconds / 1 GB


4N

Native Niuean

Limits: 4 seconds / 1024.0 MB


5A

Binary Paths

Limits: 1 second / 1024.0 MB


5B

Cubes and Isomorphism

Limits: 1 second / 1024.0 MB


5C

Cockroach on an Octahedron

Limits: 1 second / 1024.0 MB


5D

Odd Colorings

Limits: 1 second / 1024.0 MB


5E

Telegram

Limits: 1 second / 1024.0 MB


5F

Red-Green Trees

Limits: 1 second / 1024.0 MB


5G

6 AM

Limits: 1 second / 1024.0 MB


5H

Machine Learning

Limits: 1 second / 1024.0 MB


5I

Why I Don't Like Number Theory

Limits: 1 second / 1024.0 MB


5J

To Make You Cry

Limits: 1 second / 1024.0 MB


6A

Aardwark's Appetite

Limits: 1 second / 1 GB


6B

Byteland Bands

Limits: 1 second / 1 GB


6C

Careful Cleaning

Limits: 2 seconds / 1 GB


6D

Different Delicious

Limits: 1 second / 1 GB


6E

Erroneous Erase

Limits: 1 second / 1 GB


6F

Funny Farm

Limits: 9 seconds / 1 GB


6G

Greta's Gaps

Limits: 3 seconds / 1 GB


6H

Hidden Hint

Limits: 1 second / 1 GB


6I

Interval Interactions

Limits: 4 seconds / 1 GB


6J

Jill's Jukebox

Limits: 2 seconds / 1 GB


6K

Kunkka's Knowledge

Limits: 10 seconds / 1 GB


6L

Longest, Leftmost

Limits: 1 second / 1 GB