Northern Eurasia Camp 2025, Upsolving problems

1A

Aircraft Seats Arrangement

Limits: 2 seconds / 1 GB


1B

Border on Map

Limits: 1 second / 1 GB


1C

Conducting An Experiment

Limits: 1 second / 1 GB


1D

Divide And Conspire

Limits: 2 seconds / 1 GB


1E

Evacuation of Martian Rabbits

Limits: 3 seconds / 1 GB


1F

Fast Delivery

Limits: 1 second / 1 GB


1G

Great Desert

Limits: 1 second / 1 GB


1H

Hairband and Nails

Limits: 1 second / 1 GB


1I

Installation Disks

Limits: 3 seconds / 1 GB


1J

Jumbo And Food

Limits: 1 second / 1 GB


1K

King Byteazar's Road

Limits: 1 second / 1 GB


1L

Looking For Palindromic Path

Limits: 5 seconds / 1 GB


1M

Median On Path

Limits: 5 seconds / 1 GB


2A

Alice and Siri

Limits: 1 second / 1 GB


2B

Big Amount of Cakes

Limits: 1 second / 1 GB


2C

Circular Areas

Limits: 2 seconds / 1 GB


2D

Count The Subintervals

Limits: 5 seconds / 1 GB


2E

Efficient Summation

Limits: 3 seconds / 1 GB


2F

Find The Arrangement

Limits: 1 second / 1 GB


2G

Graph Magic

Limits: 2 seconds / 1 GB


2H

How to Play With Segtree

Limits: 3 seconds / 1 GB


2I

Invented Card Game

Limits: 15 seconds / 2 GB


2J

Joyful Binary Sequences

Limits: 1 second / 1 GB


2K

Kindness of the Graph

Limits: 1 second / 1 GB


3A

Grid Problem

Limits: 3 seconds / 256 MB


3B

Domain Compression

Limits: 2 seconds / 512 MB


3C

Staple Stable

Limits: 3 seconds / 256 MB


3D

Sequence Is Not Subsequence

Limits: 1 second / 256 MB


3E

Coffee Shops

Limits: 2 seconds / 512 MB


3F

Yet Another MST Problem

Limits: 3 seconds / 512 MB


3G

Cyclic Topsort

Limits: 3 seconds / 256 MB


3H

Misread Problem

Limits: 3 seconds / 256 MB


3I

troS XEM

Limits: 1.5 seconds / 512 MB


3J

Yet Another Constructive Problem

Limits: 1 second / 256 MB


3K

Robot Construction

Limits: 3 seconds / 256 MB


4A

A Partition Scoring

Limits: 8 seconds / 1 GB


4B

Board And Skating

Limits: 2 seconds / 1 GB


4C

Commutate!

Limits: 2 seconds / 1 GB


4D

Determine The Game Winner

Limits: 1 second / 1 GB


4E

Energy From Bacteria

Limits: 3 seconds / 1 GB


4F

Famous Book

Limits: 1 second / 1 GB


4G

Governor And Bridges

Limits: 15 seconds / 1 GB


4H

Hanging Coins

Limits: 5 seconds / 1 GB


4I

Integer Variables

Limits: 4 seconds / 1 GB


4J

Junctions and Birds

Limits: 2 seconds / 1 GB


4K

King and Gardener

Limits: 4 seconds / 1 GB


4L

Looking For Rectangles

Limits: 10 seconds / 1 GB


4M

An Exam Preparation

Limits: 1 second / 1 GB


5A

An Euler Function

Limits: 2 seconds / 1 GB


5B

Beatmap Scoring

Limits: 1 second / 1 GB


5C

Connect Two Rows

Limits: 1 second / 1 GB


5D

Decimal Representations

Limits: 1 second / 1 GB


5E

Efficient Breeding

Limits: 1 second / 1 GB


5F

Fight On Guns

Limits: 1 second / 1 GB


5G

Game With Wizards

Limits: 2 seconds / 1 GB


5H

Hello Python

Limits: 1 second / 1 GB


5I

Integers On Cards

Limits: 1 second / 1 GB


5J

Just One Dice

Limits: 1 second / 1 GB


5K

Knowledge Is Power Of Matrix

Limits: 1 second / 1 GB


5L

Leaves

Limits: 7 seconds / 1 GB


5M

Make Them Equal

Limits: 4 seconds / 1 GB


6A

Area Of Good Polygon

Limits: 1 second / 1 GB


6B

Bracelets Transformation

Limits: 1 second / 1 GB


6C

Clock In The Hall

Limits: 2 seconds / 1 GB


6D

Door To Another World

Limits: 4 seconds / 1 GB


6E

Experiment With Magnet

Limits: 2 seconds / 1 GB


6F

Five Sword Quest

Limits: 5 seconds / 1 GB


6G

Goods Movement

Limits: 2 seconds / 1 GB


6H

Hills And Desert

Limits: 1 second / 1 GB


6I

Inversion Count

Limits: 1 second / 1 GB


6J

Join My Team

Limits: 4 seconds / 1 GB


6K

Korean Soccer Team Support

Limits: 3 seconds / 1 GB


6L

Ladder Of Blocks

Limits: 2 seconds / 1 GB


6M

Manhattan

Limits: 4 seconds / 1 GB


6N

New Lock Solving Compeition

Limits: 3 seconds / 1 GB