Queue at the School

constructive algorithms, graph matchings, implementation, shortest paths

Gregor and the Pawn Game

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

Similar Pairs

constructive algorithms, graph matchings, greedy, sortings

Division by Two and Permutation

constructive algorithms, flows, graph matchings, greedy, math

BerSU Ball

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

WTF?

*special problem, graph matchings, implementation, trees

Chef Monocarp

dp, flows, graph matchings, greedy, math, sortings

Armchairs

dp, flows, graph matchings, greedy

Brevity is Soul of Wit

graph matchings

Disks

dfs and similar, geometry, graph matchings, graphs

Programming Competition

dfs and similar, dp, graph matchings, greedy, trees

Valuable Paper

binary search, flows, graph matchings, graphs

Amazing Trick

constructive algorithms, graph matchings, math, probabilities

Two Sets

2-sat, dfs and similar, dsu, graph matchings, greedy

Koxia and Game

constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation

Array and Operations

flows, graph matchings, number theory

New Year's Puzzle

brute force, dp, graph matchings, greedy, sortings

Exploration plan

binary search, flows, graph matchings, shortest paths

Strange Housing

constructive algorithms, dfs and similar, graph matchings, graphs, greedy

Moment of Bloom

constructive algorithms, dfs and similar, graph matchings, graphs, greedy, trees

Little C Loves 3 II

brute force, constructive algorithms, flows, graph matchings

Star MST

combinatorics, dp, graph matchings, math

Serge and Dining Room

binary search, data structures, graph matchings, greedy, implementation, math, trees

Hamiltonian Spanning Tree

dfs and similar, dp, graph matchings, greedy, trees

George and Interesting Graph

graph matchings

Antichain

dp, graph matchings, greedy

The Doctor Meets Vader (Medium)

flows, graph matchings, graphs, shortest paths, sortings

Tetris revisited

constructive algorithms, graph matchings, greedy, math

The Most Reckless Defense

bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths

Tidying Up

flows, graph matchings

Deciphering

flows, graph matchings

Catowice City

2-sat, dfs and similar, graph matchings, graphs

Maximize Mex

flows, graph matchings, graphs

Fair Share

constructive algorithms, data structures, dfs and similar, graph matchings, graphs

Session in BSU

binary search, dfs and similar, dsu, graph matchings, graphs

House Planning

constructive algorithms, data structures, graph matchings, greedy

Traveling Graph

bitmasks, graph matchings, graphs

Allowed Letters

bitmasks, flows, graph matchings, graphs, greedy

Access Levels

bitmasks, dsu, flows, graph matchings

Privatization of Roads in Berland

flows, graph matchings, graphs

Two Arrays

binary search, games, graph matchings

Mastermind

constructive algorithms, graph matchings, greedy, implementation, sortings, two pointers

Replace on Segment

dp, graph matchings

Rectangle Painting 2

flows, graph matchings, graphs

Summoning Minions

constructive algorithms, dp, flows, graph matchings, greedy, sortings

Double Sort II

dfs and similar, flows, graph matchings, graphs

Round Marriage

binary search, graph matchings, greedy

Robot and Candies

data structures, graph matchings, greedy

Madoka and The First Session

constructive algorithms, flows, graph matchings, graphs, implementation

Shoe Store

dp, graph matchings, greedy, sortings, two pointers

Last chance

data structures, flows, graph matchings, graphs, trees

Bicolored Segments

data structures, dp, graph matchings, sortings

Vasya and Endless Credits

dp, flows, graph matchings, graphs, sortings

Button Lock

flows, graph matchings, graphs

Sum of Matchings

brute force, combinatorics, constructive algorithms, dfs and similar, graph matchings, greedy, math

Dominoes

combinatorics, flows, graph matchings, greedy

Beautiful League

constructive algorithms, flows, graph matchings

Electric Scheme

flows, graph matchings

Party

bitmasks, brute force, graph matchings

Tree Modification

brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees

Bricks

flows, graph matchings, graphs

Alice and Recoloring 2

constructive algorithms, flows, graph matchings, greedy

AquaMoon and Permutations

2-sat, brute force, combinatorics, constructive algorithms, graph matchings, graphs

Euclid Guess

constructive algorithms, flows, graph matchings, math, number theory

Bridge Club

flows, graph matchings, graphs, greedy

Random Forest Rank

dp, graph matchings, math, trees

Matching Reduction

brute force, constructive algorithms, dfs and similar, flows, graph matchings, graphs, interactive

Goblins And Gnomes

brute force, dp, flows, graph matchings

Buying Sets

flows, graph matchings

Cactus Not Enough

dfs and similar, graph matchings, graphs

Hero to Zero

graph matchings, math

Contingency Plan 2

graph matchings

Wizards and Roads

data structures, divide and conquer, graph matchings, graphs, greedy

MST with Matching

bitmasks, brute force, dsu, graph matchings, trees

Fishermen

flows, graph matchings, greedy

Tree

graph matchings

Permanent

dp, graph matchings, math, meet-in-the-middle

Sloth

dfs and similar, dp, graph matchings, trees

Birthday

graph matchings, strings

New Year and Social Network

data structures, graph matchings, graphs, math, trees

Showing Off

flows, graph matchings, greedy, implementation

Permutation for Burenka

data structures, graph matchings, greedy, math, trees

Maximum Adjacent Pairs

constructive algorithms, graph matchings

Tanya is 5!

graph matchings, graphs, greedy, schedules

Making It Bipartite

flows, graph matchings, graphs, number theory

Oleg and chess

data structures, divide and conquer, flows, graph matchings

Recover a functional graph

graph matchings

Good Graph

bitmasks, dfs and similar, graph matchings, graphs, implementation