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

Tram

implementation

cAPS lOCK

implementation, strings

Bit++

implementation

Stones on the Table

implementation

Football

implementation, strings

HQ9+

implementation

Double Cola

implementation, math

Petya and Strings

implementation, strings

Epic Game

implementation

Insomnia cure

constructive algorithms, implementation, math

Twins

greedy, sortings

Helpful Maths

greedy, implementation, sortings, strings

Word Capitalization

strings

Boy or Girl

implementation

Nearly Lucky Number

implementation

Beautiful Year

brute force

Is your horseshoe on the other hoof?

implementation

New Year Candles

implementation

Presents

implementation

Arrival of the General

implementation

Queue at the School

constructive algorithms, graph matchings, implementation, shortest paths

Lucky Division

brute force, number theory

Beautiful Matrix

implementation

Chat room

greedy, strings

Games

brute force

Ultra-Fast Mathematician

implementation

Magnets

implementation

Amusing Joke

implementation, sortings, strings

Dubstep

strings

Translation

implementation, strings

Young Physicist

implementation, math

Free Cash

implementation

I_love_\%username\%

brute force

Buttons

implementation, math

Puzzles

dp, graph matchings, greedy

Business trip

greedy, implementation, sortings

Even Odds

math

Present from Lena

constructive algorithms, implementation

Ilya and Bank Account

implementation, number theory

Fancy Fence

geometry, implementation, math

Xenia and Ringroad

implementation

Circle Line

implementation

Police Recruits

implementation

Candy Bags

implementation

Gravity Flip

greedy, implementation, sortings

Dragons

greedy, sortings

The number of positions

math

Game With Sticks

implementation

Rewards

implementation

Cakeminator

brute force, implementation

Anton and Letters

constructive algorithms, implementation

Valera and Plates

implementation

Vanya and Cards

implementation, math

Towers

sortings

System of Equations

brute force

Cinema Line

greedy, implementation

Jeff and Digits

brute force, implementation, math

Black Square

implementation

Word

implementation, strings

Coder

implementation

Lunch Rush

implementation

Cd and pwd commands

data structures, implementation

Bear and Raspberry

brute force, greedy, implementation

Devu, the Singer and Churu, the Joker

greedy, implementation

New Year Present

constructive algorithms, implementation

Sereja and Dima

greedy, implementation, two pointers

Choosing Teams

greedy, implementation, sortings

Drinks

implementation, math

IQ test

brute force

Spreadsheet

implementation, math

Greg's Workout

implementation

Magic Numbers

brute force, greedy

Slightly Decreasing Permutations

greedy, implementation

Soft Drinking

implementation

Ice Sculptures

brute force, number theory

Valera and Antique Items

implementation

Perfect Permutation

implementation, math

George and Sleep

implementation

Flipping Game

brute force, dp, implementation

Little Elephant and Bits

greedy, math

Shaass and Oskols

implementation, math

Dima and Friends

implementation, math

Playing with Dice

brute force

Supercentral Point

implementation

Lights Out

implementation

Vasily the Bear and Triangle

implementation, math

Lucky Ticket

implementation

Chips

implementation, math

k-String

implementation, strings

Toy Army

math, number theory

Ciel and Dancing

greedy

Army

implementation