Yet Another Array Queries Problem

data structures, implementation

Vanya and Computer Game

binary search, implementation, math, sortings

Rudolph and Mimic

constructive algorithms, implementation, interactive

Little Artem and Dance

brute force, constructive algorithms, implementation

Jeff and Rounding

dp, greedy, implementation, math

Twin Buildings

greedy, implementation

Just Arrange the Icons

greedy, implementation, math

Exponential notation

implementation, strings

Weird Chess

brute force, constructive algorithms, implementation

1-2-3

graphs, implementation

Ryouko's Memory Note

implementation, math, sortings

Digits Sequence (Hard Edition)

binary search, divide and conquer, implementation

Vasily the Bear and Sequence

brute force, greedy, implementation, number theory

Bitwise Formula

bitmasks, brute force, dfs and similar, expression parsing, implementation

Help General

constructive algorithms, greedy, implementation

Ray Tracing

greedy, hashing, implementation, math, number theory, sortings

Reducing Fractions

implementation, math, number theory, sortings

Partial Teacher

dp, graphs, greedy, implementation

IQ Test

implementation

Mr. Bender and Square

binary search, implementation, math

Game

brute force, dp, implementation

Harry Potter and Three Spells

implementation, math

Cakewalk

*special problem, greedy, implementation, shortest paths

Palindromic Cut

brute force, implementation, strings

Toda 2

greedy, implementation

Travel Cards

greedy, implementation, sortings

New Year Cards

brute force, greedy, implementation

Tyndex.Brome

binary search, implementation

Playing with Permutations

implementation, math

Sequence of points

geometry, implementation, math

Fancy Fence

*special problem, data structures, dsu, implementation, math, sortings

Try and Catch

expression parsing, implementation

Vasya and Types

implementation, strings

Road Widening

constructive algorithms, greedy, implementation

Online Meeting

implementation

Football Championship

brute force, implementation

Petya and File System

data structures, implementation

Parking Lot

data structures, implementation

Programming Language

binary search, brute force, expression parsing, implementation

Computer Game

greedy, implementation

Cutting Jigsaw Puzzle

hashing, implementation

Boom

implementation

INTERCALC

*special problem, implementation

Defragmentation

implementation

Rhyme

*special problem, implementation

Sweepstake

*special problem, brute force, constructive algorithms, implementation, math

Stack

*special problem, expression parsing, implementation

Polynom

*special problem, implementation

Name the album

*special problem, data structures, implementation

Phoenix and Science

binary search, constructive algorithms, greedy, implementation, math

Gargari and Bishops

greedy, hashing, implementation

The Best Vacation

binary search, brute force, greedy, implementation, two pointers

Replace the Numbers

constructive algorithms, data structures, dsu, implementation

Painting the Array I

constructive algorithms, data structures, dp, greedy, implementation

Array Division

binary search, data structures, implementation

Binary Literature

constructive algorithms, greedy, implementation, strings, two pointers

Education

brute force, dp, greedy, implementation

Gargari and Permutations

dfs and similar, dp, graphs, implementation

A Lot of Games

dfs and similar, dp, games, implementation, strings, trees

Perform Easily

binary search, brute force, dp, implementation, sortings, two pointers

Difference Array

brute force, data structures, implementation, sortings

1D Sokoban

binary search, dp, greedy, implementation, two pointers

Need for Pink Slips

bitmasks, brute force, dfs and similar, implementation, math, probabilities

Berserk Monsters

brute force, data structures, dsu, implementation, math

Array Repetition

binary search, brute force, dsu, implementation, math

Complete Tripartite

brute force, constructive algorithms, graphs, hashing, implementation

Binary Table (Hard Version)

constructive algorithms, graphs, greedy, implementation

Magical Array

constructive algorithms, hashing, implementation, math

Obtain a Permutation

greedy, implementation, math

Restore Permutation

binary search, data structures, greedy, implementation

Bouncing Boomerangs

constructive algorithms, greedy, implementation

Survey in Class

brute force, data structures, greedy, implementation, sortings

Inconvenient Pairs

binary search, data structures, implementation, sortings, two pointers

Blocking Elements

binary search, data structures, dp, implementation, two pointers

Equalize the Remainders

data structures, greedy, implementation

Balanced Removals (Harder)

binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings

Hexagons

brute force, constructive algorithms, greedy, implementation, math, shortest paths

Psychos in a Line

data structures, implementation

Rescheduling the Exam

binary search, data structures, greedy, implementation, math, sortings

Almost Regular Bracket Sequence

implementation

Kilani and the Game

dfs and similar, graphs, implementation, shortest paths

Moving Points

data structures, divide and conquer, implementation, sortings

White Lines

brute force, data structures, dp, implementation, two pointers

Birthday Gift

bitmasks, brute force, constructive algorithms, greedy, implementation

Reverse Sort Sum

constructive algorithms, data structures, greedy, implementation, math, two pointers

Playlist

data structures, dsu, implementation, shortest paths

Concatenated Multiples

implementation, math

Microcycle

data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees

Li Hua and Tree

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

Robot Queries

binary search, data structures, dp, implementation

Professor Higashikata

data structures, dsu, greedy, implementation, strings

Unlucky Numbers

brute force, dp, greedy, implementation

Power Transmission (Hard Edition)

data structures, geometry, implementation, math

The Butcher

geometry, greedy, implementation, sortings, two pointers

Sum of Progression

brute force, data structures, dp, implementation, math

Johnny and Grandmaster

greedy, implementation, math, sortings

Mahmoud and Ehab and the xor-MST

bitmasks, dp, graphs, implementation, math

Shuffling Songs

bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings

Game of the Rows

brute force, greedy, implementation

Game on Axis

combinatorics, dfs and similar, dsu, graphs, implementation