Maximum splitting

dp, greedy, math, number theory

Homecoming

binary search, dp, greedy, strings

Simple Strings

dp, greedy, strings

Sonya and Exhibition

constructive algorithms, greedy, implementation, math

Mishka and the Last Exam

greedy

Game of Credit Cards

data structures, dp, greedy, sortings

Gambling

greedy, sortings

Bessie's Birthday Cake (Easy Version)

geometry, greedy, math

Painting Pebbles

constructive algorithms, greedy, implementation

Brutality

greedy, sortings, two pointers

Alyona and a Narrow Fridge

binary search, flows, greedy, sortings

Labs

constructive algorithms, greedy, implementation

Substring Game in the Lesson

games, greedy, strings

Reach Median

greedy

Shawarma Tent

brute force, geometry, greedy, implementation

Accordion

greedy, implementation

Snow Footprints

greedy, implementation

Salyg1n and the MEX Game

constructive algorithms, data structures, games, greedy, interactive

Bit Flipping

bitmasks, constructive algorithms, greedy, strings

Summer sell-off

greedy, sortings

Increase and Decrease

greedy, math

Packets

constructive algorithms, greedy, math

Blocks

greedy, math

Tiles

combinatorics, greedy, math

Summarize to the Power of Two

brute force, greedy, implementation

Minimize Distance

greedy

Ice and Fire

constructive algorithms, dp, greedy

Strongly Composite

greedy, math, number theory

Nice Garland

brute force, greedy, math

Complete the Word

greedy, two pointers

Coins

greedy

Seraphim the Owl

dp, greedy

Qingshan Loves Strings 2

constructive algorithms, greedy, implementation

Constructive Problem

brute force, greedy

Jatayu's Balanced Bracket Sequence

data structures, dsu, graphs, greedy

Insert and Equalize

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

Unusual Competitions

greedy

Permutation Operations

constructive algorithms, greedy, implementation, math

Increasing Subsequence (easy version)

greedy

Madoka and Childish Pranks

constructive algorithms, greedy

Scoring Subsequences

binary search, greedy, math, two pointers

Good String

greedy

Dreaming of Freedom

greedy, math, number theory

Game of Ball Passing

greedy, implementation

The Forbidden Permutation

greedy, math

Cow and Friend

geometry, greedy, math

Binary Path

dp, greedy, implementation

Kill `Em All

greedy, sortings

Array Elimination

bitmasks, greedy, math, number theory

Vlad and Division

bitmasks, greedy

Ian and Array Sorting

greedy, math

Deep Down Below

binary search, greedy, sortings

Elemental Decompress

constructive algorithms, greedy, implementation, sortings

Game with Multiset

binary search, bitmasks, brute force, greedy

Money Trees

binary search, greedy, math, two pointers

Make It Permutation

brute force, greedy, sortings

Array Sharpening

greedy, implementation

Lose it!

dp, greedy, implementation

Queue Sort

greedy, implementation, sortings

Appleman and Card Game

greedy

Nice Matrix

greedy, implementation, math

Sets and Union

bitmasks, brute force, constructive algorithms, greedy

Madoka and Formal Statement

greedy

Make Nonzero Sum (easy version)

constructive algorithms, dp, greedy

Make it Increasing

brute force, greedy, math

Long Number

greedy

Paprika and Permutation

binary search, greedy, math, sortings

Particles

dp, greedy, implementation, math

Make it Alternating

combinatorics, dp, greedy

Knapsack

constructive algorithms, greedy, sortings

MEX Game 1

games, greedy

Good Numbers (easy version)

brute force, greedy, implementation

And It's Non-Zero

bitmasks, greedy, math

Permutation Partitions

combinatorics, greedy, math

Saving the City

dp, greedy, math, sortings

Directional Increase

greedy

Simple Game

constructive algorithms, games, greedy, implementation, math

Longest Strike

data structures, greedy, implementation, sortings, two pointers

Co-growing Sequence

bitmasks, constructive algorithms, greedy

Box Fitting

binary search, bitmasks, data structures, greedy

Maximal AND

bitmasks, greedy, math

Not Sitting

games, greedy, sortings

Negative Prefixes

greedy, sortings

Blue-Red Permutation

greedy, math, sortings

Matching Numbers

constructive algorithms, greedy, math

Slay the Dragon

binary search, greedy, sortings, ternary search

Big Vova

brute force, greedy, math, number theory

Closest Cities

greedy, implementation, math

OR in Matrix

greedy, hashing, implementation

Getting Zero

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

Inhabitant of the Deep Sea

greedy, implementation, math

Pokémon Army (easy version)

constructive algorithms, dp, greedy

Canine poetry

dp, greedy, strings

Make a Power of Two

greedy, math, strings

Yet Another Problem About Pairs Satisfying an Inequality

binary search, data structures, dp, greedy, sortings

Find the Different Ones!

binary search, brute force, data structures, dp, dsu, greedy, two pointers

Array and Operations

dp, greedy, math

Equalize

dp, greedy, strings

Romantic Glasses

data structures, greedy, math

Most socially-distanced subsequence

greedy, two pointers