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

Bit++

implementation

Tram

implementation

cAPS lOCK

implementation, strings

Stones on the Table

implementation

Football

implementation, strings

HQ9+

implementation

Petya and Strings

implementation, strings

Double Cola

implementation, math

Insomnia cure

constructive algorithms, implementation, math

Word Capitalization

strings

Epic Game

implementation

Twins

greedy, sortings

Helpful Maths

greedy, implementation, sortings, strings

Boy or Girl

implementation

Nearly Lucky Number

implementation

Beautiful Year

brute force

George and Accommodation

implementation

New Year Candles

implementation

Vasya and Socks

brute force, implementation

Design Tutorial: Learn from Math

math, number theory

Is your horseshoe on the other hoof?

implementation

Chat room

greedy, strings

Presents

implementation

Lucky Division

brute force, number theory

Queue at the School

constructive algorithms, graph matchings, implementation, shortest paths

Beautiful Matrix

implementation

Arrival of the General

implementation

Translation

implementation, strings

Magnets

implementation

Ultra-Fast Mathematician

implementation

Game With Sticks

implementation

Games

brute force

New Year Transportation

dfs and similar, graphs, implementation

Calculating Function

implementation, math

Initial Bet

implementation

Amusing Joke

implementation, sortings, strings

Dubstep

strings

Young Physicist

implementation, math

Rewards

implementation

I_love_\%username\%

brute force

Puzzles

dp, graph matchings, greedy

Buttons

implementation, math

Keyboard

implementation

Free Cash

implementation

Anton and Letters

constructive algorithms, implementation

Expression

brute force, math

Vanya and Cubes

implementation

I Wanna Be the Guy

greedy, implementation

Gravity Flip

greedy, implementation, sortings

Even Odds

math

MUH and Sticks

implementation

Appleman and Toastman

greedy, sortings

Police Recruits

implementation

Business trip

greedy, implementation, sortings

Cheap Travel

implementation

Fancy Fence

geometry, implementation, math

Little Pony and Crystal Mine

implementation

Present from Lena

constructive algorithms, implementation

Ilya and Bank Account

implementation, number theory

Dragons

greedy, sortings

Xenia and Ringroad

implementation

Pashmak and Flowers

implementation, sortings

Pashmak and Garden

implementation

Word

implementation, strings

Dreamoon and Stairs

implementation, math

Black Square

implementation

Vanya and Cards

implementation, math

The number of positions

math

Circle Line

implementation

Design Tutorial: Learn from Life

Candy Bags

implementation

Team Olympiad

greedy, implementation, sortings

Towers

sortings

Devu, the Singer and Churu, the Joker

greedy, implementation

System of Equations

brute force

Valera and Plates

implementation

Cinema Line

greedy, implementation

Choosing Teams

greedy, implementation, sortings

IQ test

brute force

inc ARG

implementation

Jzzhu and Children

implementation

Spreadsheet

implementation, math

Coder

implementation

Drinks

implementation, math

Caisa and Sugar

implementation

Caisa and Pylons

math

Cakeminator

brute force, implementation

Flipping Game

brute force, dp, implementation

Valera and Antique Items

implementation

Fedor and New Game

bitmasks, brute force, constructive algorithms, implementation

Sereja and Dima

greedy, implementation, two pointers

Jeff and Digits

brute force, implementation, math