Theatre Square

math

Watermelon

brute force, math

Next Round

implementation

Way Too Long Words

strings

String Task

implementation, strings

Taxi

greedy, implementation

Domino piling

greedy, math

Team

brute force, greedy, implementation

Tram

implementation

cAPS lOCK

implementation, strings

Bit++

implementation

Stones on the Table

implementation

Double Cola

implementation, math

Petya and Strings

implementation, strings

HQ9+

implementation

Football

implementation, strings

Epic Game

implementation

Insomnia cure

constructive algorithms, implementation, math

Twins

greedy, sortings

Helpful Maths

greedy, implementation, sortings, strings

Word Capitalization

strings

Nearly Lucky Number

implementation

Boy or Girl

implementation

Is your horseshoe on the other hoof?

implementation

Beautiful Year

brute force

Arrival of the General

implementation

Presents

implementation

Queue at the School

implementation

New Year Candles

implementation

Games

brute force

Lucky Division

brute force, number theory

Beautiful Matrix

implementation

Ultra-Fast Mathematician

implementation

Chat room

greedy, strings

Amusing Joke

implementation, sortings, strings

Young Physicist

implementation, math

Free Cash

implementation

Magnets

implementation

Dubstep

strings

Buttons

implementation, math

Translation

implementation, strings

I_love_\%username\%

brute force

Business trip

greedy, implementation, sortings

Present from Lena

constructive algorithms, implementation

Ilya and Bank Account

implementation, number theory

Fancy Fence

geometry, implementation, math

Circle Line

implementation

Even Odds

math

Xenia and Ringroad

greedy, implementation

Candy Bags

implementation

Puzzles

dp, graph matchings, greedy

The number of positions

math

Dragons

greedy, sortings

Cakeminator

brute force, implementation

Towers

sortings

Valera and Plates

implementation

Cd and pwd commands

data structures, implementation

System of Equations

brute force

Lunch Rush

implementation

Jeff and Digits

brute force, implementation, math

Cinema Line

greedy, implementation

Word

implementation, strings

New Year Present

constructive algorithms, implementation

Vanya and Cards

implementation, math

Gravity Flip

greedy, implementation, sortings

Ice Sculptures

brute force, number theory

Bear and Raspberry

brute force, greedy, implementation

Slightly Decreasing Permutations

greedy, implementation

Greg's Workout

implementation

Sereja and Dima

greedy, implementation

Coder

implementation

Drinks

implementation, math

Perfect Permutation

implementation, math

Soft Drinking

implementation

Dima and Friends

implementation, math

Supercentral Point

implementation

Shaass and Oskols

implementation, math

Lights Out

implementation

Spreadsheet

implementation, math

Magic Numbers

brute force, greedy

IQ test

brute force

Vasily the Bear and Triangle

implementation, math

George and Sleep

implementation

Flipping Game

brute force, implementation

Spyke Talks

implementation, sortings

Toy Army

math

Buggy Sorting

constructive algorithms, greedy, sortings

Chips

implementation, math

Lucky Ticket

implementation

Squares

greedy, implementation, sortings

Roma and Lucky Numbers

implementation

Colorful Stones (Simplified Edition)

implementation

Ciel and Dancing

greedy

Unlucky Ticket

greedy, sortings

Playing with Dice

brute force

k-String

implementation, strings

Cookies

implementation

Army

implementation

TL

brute force, greedy, implementation

Wizards and Demonstration

implementation