Did We Get Everything Covered?

constructive algorithms, dp, greedy, shortest paths, strings

Shrink-Reverse

binary search, brute force, greedy, hashing, implementation, string suffix structures, strings

Slimes

binary search, constructive algorithms, data structures, greedy, two pointers

Find B

constructive algorithms, greedy

Monsters Attack!

dp, greedy, implementation

Moving Chips

greedy, implementation

Increasing Subsequences

bitmasks, constructive algorithms, divide and conquer, greedy, math

Closest Cities

greedy, implementation, math

Eat the Chip

brute force, games, greedy, math

Very Different Array

data structures, greedy, sortings, two pointers

Sending Messages

greedy, math

Arranging Cats

greedy, implementation

Square

greedy, math

Summation Game

games, greedy, math, sortings

Satisfying Constraints

brute force, greedy, math

Wine Factory (Hard Version)

data structures, dp, flows, greedy, matrices

Wine Factory (Easy Version)

data structures, greedy

01 Tree

constructive algorithms, data structures, dsu, greedy, sortings, trees

Grouping Increases

data structures, dp, greedy

Plus-Minus Split

greedy

Caterpillar on a Tree

dfs and similar, graphs, greedy, implementation, sortings, trees

XOR-distance

bitmasks, greedy, implementation, math

Minimize Inversions

constructive algorithms, data structures, greedy, implementation, sortings

Brick Wall

constructive algorithms, greedy, implementation, math

Watering an Array

brute force, greedy, implementation, math

Group Division

constructive algorithms, dfs and similar, graphs, greedy

Happy Life in University

data structures, dfs and similar, greedy, trees

Training Before the Olympiad

constructive algorithms, games, greedy, implementation, math

Bicycles

graphs, greedy, implementation, shortest paths, sortings

Romantic Glasses

data structures, greedy, math

Unnatural Language Processing

greedy, implementation, strings

Programming Competition

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

Game with Marbles (Hard Version)

games, greedy, sortings

Game with Marbles (Easy Version)

brute force, games, greedy, sortings

Three Activities

brute force, dp, greedy, implementation, sortings

Quests

greedy, math

Game with Multiset

binary search, bitmasks, brute force, greedy

Pool Records

*special problem, greedy

Build Railway Stations

*special problem, greedy, trees

Remove and Add

*special problem, greedy

Security Guard

*special problem, greedy

Split Plus K

greedy, math, number theory

Heavy Intervals

constructive algorithms, data structures, dsu, greedy, math, sortings

Lights

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

Shift and Reverse

greedy, sortings

Removal of Unattractive Pairs

constructive algorithms, greedy, math, strings

Triangle Construction

greedy, math

Largest Subsequence

greedy, strings

Begginer's Zelda

greedy, trees

Set To Max (Hard Version)

constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings

Set To Max (Easy Version)

brute force, constructive algorithms, greedy

Collecting Game

binary search, dp, greedy, sortings, two pointers

Geo Game

greedy, interactive, math

Maximum And Queries (hard version)

bitmasks, divide and conquer, dp, greedy

Maximum And Queries (easy version)

binary search, bitmasks, brute force, greedy

Theofanis' Nightmare

constructive algorithms, greedy

StORage room

bitmasks, brute force, constructive algorithms, greedy

Halloumi Boxes

brute force, greedy, sortings

Insert and Equalize

brute force, constructive algorithms, greedy, math, number theory

Getting Points

binary search, brute force, greedy

Compressed Tree

dfs and similar, dp, graphs, greedy, sortings, trees

Yet Another Monster Fight

binary search, dp, greedy, implementation, math

Add, Divide and Floor

constructive algorithms, greedy, math

Chip and Ribbon

greedy, math

Line Trip

greedy, math

Cover in Water

constructive algorithms, greedy, implementation, strings

Alex's whims

constructive algorithms, graphs, greedy, shortest paths, trees

Queue Sort

greedy, implementation, sortings

Yarik and Array

dp, greedy, two pointers

Sofia and Strings

data structures, greedy, sortings, strings, two pointers

Absolute Beauty

greedy, math

Milena and Admirer

greedy, math

Bracket Xoring

constructive algorithms, greedy, implementation, math

Matching Arrays

binary search, constructive algorithms, greedy, sortings

AB Flipping

greedy, strings, two pointers

Two Characters, Two Colors

binary search, data structures, dp, flows, greedy

Infinite Card Game

binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers

Points and Minimum Distance

greedy, math, sortings

Colorful Constructive

constructive algorithms, data structures, greedy

Freedom of Choice

brute force, greedy, implementation

Neutral Tonality

constructive algorithms, greedy, sortings, two pointers

Brukhovich and Exams

brute force, greedy, implementation, math, sortings

Smilo and Monsters

binary search, constructive algorithms, greedy, sortings, two pointers

Doremy's Average Tree

data structures, dp, greedy, trees

Doremy's Drying Plan (Easy Version)

brute force, data structures, dp, greedy, sortings

Doremy's Connecting Plan

constructive algorithms, greedy, math, sortings

Qingshan Loves Strings 2

constructive algorithms, greedy, implementation

Minimum Array

binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers

Diamond Theft

data structures, greedy

I Wanna be the Team Leader

bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers

Hard Design

greedy, implementation, math

Medium Design

brute force, data structures, dp, greedy, sortings

Haunted House

binary search, greedy, math, two pointers

Simple Design

brute force, greedy, math

Dances (Hard Version)

binary search, greedy, sortings, two pointers

Dances (Easy version)

binary search, greedy, two pointers

Look Back

bitmasks, greedy

In Love

data structures, greedy

Two Permutations (Easy Version)

brute force, constructive algorithms, greedy, number theory

Tree XOR

bitmasks, dfs and similar, dp, greedy, trees