Gregor and the Pawn Game

dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation

Computer Game

brute force, dfs and similar, dp, implementation

The Way to Home

dfs and similar, dp, greedy, implementation

Party

dfs and similar, graphs, trees

Make it Divisible by 25

dfs and similar, dp, greedy, math, math

Protect Sheep

brute force, dfs and similar, graphs, implementation

Bmail Computer Network

*special problem, dfs and similar, trees

New Year Transportation

dfs and similar, graphs, implementation

Badge

brute force, dfs and similar, graphs

King Escape

dfs and similar, graphs, implementation

Transformation: from A to B

brute force, dfs and similar, math

Frog Jumps

binary search, data structures, dfs and similar, greedy, implementation

Game on Ranges

brute force, dfs and similar, implementation, sortings

BerSU Ball

dfs and similar, dp, graph matchings, greedy, sortings, two pointers

DZY Loves Chessboard

dfs and similar, implementation

Districts Connection

constructive algorithms, dfs and similar

WeirdSort

dfs and similar, sortings

Ice Skating

brute force, dfs and similar, dsu, graphs

Permutation Transformation

dfs and similar, divide and conquer, implementation

Reposts

*special problem, dfs and similar, dp, graphs, trees

Fall Down

dfs and similar, implementation

Students and Shoelaces

brute force, dfs and similar, graphs, implementation

Coloring a Tree

dfs and similar, dsu, greedy

Rumor

dfs and similar, graphs, greedy

Books Exchange (hard version)

dfs and similar, dsu, math

Mahmoud and Ehab and the bipartiteness

dfs and similar, graphs, trees

Getting Zero

bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths

Plus from Picture

dfs and similar, implementation, strings

PolandBall and Forest

dfs and similar, dsu, graphs, interactive, trees

Xor-tree

dfs and similar, trees

Neko Performs Cat Furrier Transform

bitmasks, constructive algorithms, dfs and similar, math

Recursive Queries

binary search, data structures, dfs and similar

White-Black Balanced Subtrees

dfs and similar, dp, graphs, trees

Bear and Compressing

brute force, dfs and similar, dp, strings

Tournament

bitmasks, brute force, dfs and similar, greedy

Square Earth?

dfs and similar, greedy, implementation

Two Buttons

dfs and similar, graphs, greedy, implementation, math, shortest paths

Soldier and Cards

brute force, dfs and similar, games

Learning Languages

dfs and similar, dsu

Divide by three, multiply by two

dfs and similar, math, sortings

News Distribution

dfs and similar, dsu, graphs

Fillomino 2

constructive algorithms, dfs and similar, greedy, implementation

Not Assigning

constructive algorithms, dfs and similar, number theory, trees

Mr. Kitayuta's Colorful Graph

dfs and similar, dp, dsu, graphs

DZY Loves Chemistry

dfs and similar, dsu, greedy

Queen

dfs and similar, trees

Swap Adjacent Elements

dfs and similar, greedy, math, sortings, two pointers

Connect

brute force, dfs and similar, dsu

Strongly Connected City

brute force, dfs and similar, graphs, implementation

Where is the Pizza?

data structures, dfs and similar, dsu, graphs, implementation, math

Sorting by Subsequences

dfs and similar, dsu, implementation, math, sortings

Om Nom and Dark Park

dfs and similar, greedy, implementation

Dorm Water Supply

dfs and similar, graphs

Serial Time!

dfs and similar, dsu

Send the Fool Further! (easy)

dfs and similar, graphs, trees

Robot Factory

bitmasks, dfs and similar

Kefa and Park

dfs and similar, graphs, trees

K-Complete Word

dfs and similar, dsu, greedy, implementation, strings

Cyclic Components

dfs and similar, dsu, graphs

Binary String Reconstruction

constructive algorithms, dfs and similar, math

Journey

dfs and similar, dp, graphs, probabilities, trees

Bear and Friendship Condition

dfs and similar, dsu, graphs

Ehab and Path-etic MEXs

constructive algorithms, dfs and similar, greedy, trees

NP-Hard Problem

dfs and similar, graphs

Lunar New Year and a Wander

data structures, dfs and similar, graphs, greedy, shortest paths

Fox And Two Dots

dfs and similar

Minimum Ties

brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math

Secret Passwords

dfs and similar, dsu, graphs

Valera and Tubes

constructive algorithms, dfs and similar, implementation

Edgy Trees

dfs and similar, dsu, graphs, math, trees

Cut 'em all!

dfs and similar, dp, graphs, greedy, trees

Cthulhu

dfs and similar, dsu, graphs

Bear and Three Musketeers

brute force, dfs and similar, graphs, hashing

Hongcow Builds A Nation

dfs and similar, graphs

Ping-Pong (Easy Version)

dfs and similar, graphs

Peculiar apple-tree

dfs and similar, graphs, trees

Coach

brute force, dfs and similar, graphs

Biridian Forest

dfs and similar, shortest paths

Fire Again

brute force, dfs and similar, shortest paths

Bertown Subway

dfs and similar, greedy, math

Hierarchy

dfs and similar, dsu, greedy, shortest paths

Statues

dfs and similar

Brain Network (medium)

dfs and similar, graphs, trees

Online Courses In BSU

*special problem, dfs and similar, graphs, implementation

STL

dfs and similar

Party

brute force, dfs and similar, dsu, graphs

Party

dfs and similar, dsu, graphs

Making Genome in Berland

*special problem, dfs and similar, strings

IT Restaurants

dfs and similar, dp, trees

EKG

brute force, dfs and similar

Maze

dfs and similar

Linova and Kingdom

dfs and similar, dp, greedy, sortings, trees

Fox And Names

dfs and similar, graphs, sortings

Parsa's Humongous Tree

dfs and similar, divide and conquer, dp, greedy, trees

Perfect Keyboard

dfs and similar, greedy, implementation

Timofey and a tree

dfs and similar, dp, dsu, graphs, implementation, trees

Gardener and Tree

brute force, data structures, dfs and similar, greedy, implementation, trees

Colorful Graph

brute force, dfs and similar, graphs

New Year Permutation

dfs and similar, dsu, graphs, greedy, math, sortings

Andryusha and Colored Balloons

dfs and similar, graphs, greedy, trees