Pseudorandom Sequence Period

*special problem, implementation, number theory

Jeff and Rounding

dp, greedy, implementation, math

Factorial

*special problem, implementation

Domino (hard version)

constructive algorithms, implementation, math

Sum of Remainders

implementation, math, number theory

Inna and Dima

dfs and similar, dp, graphs, implementation

Counting Sticks

brute force, implementation

SMSC

implementation

Barcelonian Distance

geometry, implementation

Multiplication Table

implementation

Land Lot

brute force, implementation

Persistent Bookcase

bitmasks, data structures, dfs and similar, implementation

Twin Buildings

greedy, implementation

Game with String

implementation, probabilities, strings

Hidden Word

brute force, constructive algorithms, implementation, strings

On Segment's Own Points

implementation

Promising String (hard version)

data structures, implementation, math, strings

Spy Syndrome 2

data structures, dp, hashing, implementation, sortings, string suffix structures, strings

World Football Cup

implementation

Rotate, Flip and Zoom

*special problem, implementation

Fibonacci-ish

brute force, dp, hashing, implementation, math

Just Arrange the Icons

greedy, implementation, math

Editor

data structures, implementation

Game on Paper

brute force, implementation

Data Recovery

implementation

Priority Queue

combinatorics, dp, implementation, math, ternary search

Online Courses In BSU

*special problem, dfs and similar, graphs, implementation

Cardiogram

implementation

Прокат велосипедов

*special problem, greedy, implementation

Bracket Sequence

data structures, expression parsing, implementation

Exponential notation

implementation, strings

Parallel Universes (Easy)

implementation

Berland Bingo

implementation

Clique Partition

brute force, constructive algorithms, graphs, greedy, implementation

Stack Sorting

constructive algorithms, data structures, greedy, implementation

Friends or Not

*special problem, greedy, implementation

String

brute force, constructive algorithms, hashing, implementation, string suffix structures, strings

Mathematical Analysis Rocks!

constructive algorithms, implementation, math

Sheikh (Hard Version)

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

Polycarp and Snakes

brute force, implementation

Koa and the Beach (Hard Version)

constructive algorithms, dp, greedy, implementation

Fox and Minimal path

bitmasks, constructive algorithms, graphs, implementation, math

Making Sequences is Fun

binary search, implementation, math

Grime Zoo

brute force, greedy, implementation, strings

Ivan and Powers of Two

greedy, implementation

Promocodes with Mistakes

*special problem, brute force, constructive algorithms, implementation

Weird Chess

brute force, constructive algorithms, implementation

1-2-3

graphs, implementation

Freedom of Choice

brute force, greedy, implementation

QR code

*special problem, implementation

Ryouko's Memory Note

implementation, math, sortings

Digits Sequence (Hard Edition)

binary search, divide and conquer, implementation

Nene and the Mex Operator

bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math

Equal Binary Subsequences

constructive algorithms, geometry, greedy, implementation, strings

Monster Invaders

dp, greedy, implementation

Memory Manager

implementation

Vasily the Bear and Sequence

brute force, greedy, implementation, number theory

You Are Given a WASD-string...

brute force, data structures, dp, greedy, implementation, math, strings

Rain

binary search, brute force, data structures, geometry, greedy, implementation, math

Pinball

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

Robot Bicorn Attack

brute force, implementation

Mars rover

dfs and similar, graphs, implementation, trees

Literature Lesson

implementation

Sum over all Substrings (Hard Version)

bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings

Red-Black Number

dfs and similar, dp, implementation, math, meet-in-the-middle

Unstable String Sort

data structures, dfs and similar, dsu, graphs, greedy, implementation, strings

Mike and Frog

brute force, greedy, implementation, math

Pick Heroes

greedy, implementation, interactive, sortings

TV Shows

data structures, greedy, implementation, sortings

Learning to Paint

binary search, data structures, dfs and similar, dp, greedy, implementation, sortings

The World Is Just a Programming Task (Easy Version)

brute force, dp, greedy, implementation

Candy Box (hard version)

greedy, implementation, sortings

Heidi and the Turing Test (Easy)

implementation

Candy Party (Hard Version)

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

Bitwise Formula

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

Bananas in a Microwave

dfs and similar, dp, graphs, implementation

Removing Leaves

data structures, greedy, implementation, trees

Lost in Transliteration

implementation

Statistics of Recompressing Videos

*special problem, data structures, implementation

Grammar Lessons

implementation, strings

Space Harbour

data structures, implementation, math, sortings

Polo the Penguin and XOR operation

implementation, math

Staircases

brute force, combinatorics, data structures, dfs and similar, dp, implementation, math

Young Table

implementation, sortings

Martian Clock

implementation

Copy of a Copy of a Copy

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

Not Escaping

data structures, dp, implementation, shortest paths, two pointers

Changing Array

greedy, implementation

Count Seconds

brute force, constructive algorithms, dp, graphs, implementation, math

Rock-Paper-Scissors

implementation, math

File List

dp, greedy, implementation

Suspects

constructive algorithms, data structures, implementation

Resource Distribution

binary search, implementation, sortings

Two Heaps

combinatorics, constructive algorithms, greedy, implementation, math, sortings

Two Types of Spells

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

George and Number

greedy, implementation

Hemose in ICPC ?

binary search, dfs and similar, implementation, interactive, math, number theory, trees

Divide Square

data structures, geometry, implementation, sortings

Treasure Hunting

binary search, dp, greedy, implementation

Board Game

games, greedy, implementation, math