Torn Lucky Ticket

brute force, dp, hashing, implementation, math

Cacti Symphony

combinatorics, dfs and similar, dp, graphs

Colorful Constructive

constructive algorithms, data structures, greedy

Freedom of Choice

brute force, greedy, implementation

Neutral Tonality

constructive algorithms, greedy, sortings, two pointers

Anonymous Informant

brute force, dfs and similar, graphs, implementation

A Growing Tree

data structures, dfs and similar, trees

Brukhovich and Exams

brute force, greedy, implementation, math, sortings

Suspicious logarithms

binary search, brute force, math

Smilo and Monsters

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

Doremy's Average Tree

data structures, dp, greedy, trees

Doremy's Swapping Trees

dfs and similar, graphs, trees

Game of Stacks

brute force, dfs and similar, graphs, implementation, trees

Doremy's Drying Plan (Hard Version)

data structures, dp

Doremy's Drying Plan (Easy Version)

brute force, data structures, dp, greedy, sortings

Doremy's Connecting Plan

constructive algorithms, greedy, math, sortings

Minimum Segments

constructive algorithms

Good Colorings

binary search, constructive algorithms, graphs, interactive

Split

binary search, data structures, divide and conquer, dsu, math, trees, two pointers

Minimum Array

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

Time Travel

binary search, graphs, shortest paths

Diamond Theft

data structures, greedy

I Wanna be the Team Leader

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

Monocarp and the Set

combinatorics, data structures, math

Decreasing String

implementation, strings

Hard Design

greedy, implementation, math

Counting Rhyme

dp, math, number theory

Medium Design

brute force, data structures, dp, greedy, sortings

Dances (Hard Version)

binary search, greedy, sortings, two pointers

Dances (Easy version)

binary search, greedy, two pointers

You Are So Beautiful

data structures

Look Back

bitmasks, greedy

In Love

data structures, greedy

Two Permutations (Hard Version)

constructive algorithms

Two Permutations (Easy Version)

brute force, constructive algorithms, greedy, number theory

Tree XOR

bitmasks, dfs and similar, dp, greedy, trees

Card Game

brute force, greedy

Anya and the Mysterious String

binary search, data structures

Minimum Maximum Distance

dfs and similar, dp, graphs, shortest paths, trees

Block Sequence

dp

Last Man Standing

brute force, data structures, number theory

Interactive Game with Coloring

brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees

Sum of XOR Functions

bitmasks, combinatorics, divide and conquer, dp, math

wxhtzdy ORO Tree

binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees

Vasilije Loves Number Theory

brute force, math, number theory

Iva & Pav

binary search, bitmasks, data structures, greedy

Reverse Madness

data structures, greedy

Clubstep

binary search, brute force, data structures, greedy, trees

Indefinite Clownfish

binary search, graphs

Ball-Stackable

constructive algorithms, data structures, dp, trees

Lexichromatography

combinatorics, dfs and similar, dsu, graphs, two pointers

Autosynthesis

constructive algorithms, dfs and similar, graphs, greedy, sortings

Effects of Anti Pimples

combinatorics, number theory, sortings

Jellyfish and Mex

dp

Jellyfish and Green Apple

bitmasks, greedy, math, number theory

Jellyfish and Inscryption

dp

Jellyfish and OEIS

dp

Jellyfish and Hack

dp, math

Jellyfish and Miku

divide and conquer, dp, math, probabilities

Jellyfish and EVA

dp, graphs, greedy, math, probabilities

Jellyfish and Math

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

Mad City

dfs and similar, dsu, games, graphs, shortest paths, trees

ABBC or BACB

constructive algorithms, greedy

Replace With Product

brute force, greedy, math

Selling a Menagerie

dfs and similar, dsu, graphs, implementation, math

Data Structures Fan

binary search, bitmasks, data structures, dp

Standard Graph Problem

data structures, graphs, greedy, trees

MEXanization

data structures

Lazy Numbers

binary search, math

Another MEX Problem

bitmasks, brute force, dp, shortest paths

Prefix Purchase

greedy, implementation, sortings

LIS?

data structures, greedy, implementation

Min-Sum-Max

constructive algorithms, dp, greedy

Flower-like Pseudotree

constructive algorithms, graphs, greedy, implementation, trees

Travel Plan

combinatorics, dp, implementation, math, trees

Candy Party (Hard Version)

bitmasks, constructive algorithms, dp, greedy, implementation, math

Candy Party (Easy Version)

bitmasks, constructive algorithms, graphs, greedy, implementation, math

Most Different Tree

brute force, constructive algorithms, dfs and similar, greedy, hashing

Salyg1n and Array (hard version)

constructive algorithms, interactive

Salyg1n and Array (simple version)

constructive algorithms, interactive, math

Cyclic Operations

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

Mighty Rock Tower

brute force, combinatorics, dp, math, probabilities

Lihmuf Balling

binary search, brute force, math

Keen Tree Calculation

binary search, data structures, dp, geometry, graphs, implementation, trees

Jackets and Packets

dp

Imagination Castle

dp, games, two pointers

Happy Sets

combinatorics

Grouped Carriages

binary search, data structures, dp, flows, greedy

Freak Joker Process

binary search, data structures, sortings

Elevators of Tamem

dp

Digital Wallet

dp, greedy

Completely Searching for Inversions

dfs and similar, dp, graphs

Battling with Numbers

combinatorics, math, number theory

Future Dominators

graphs, greedy

Asterism Stream

dp, math, matrices

Magic Square

combinatorics, constructive algorithms, implementation

Exotic Queries

data structures, implementation, sortings

Guess Game

bitmasks, data structures, games, math, probabilities, sortings, strings, trees

Matrix Cascade

brute force, constructive algorithms, data structures, dp, greedy, math

Redundant Routes

constructive algorithms, dp, trees