Network Configuration

greedy, sortings

Poster

greedy, implementation

Password Check

*special problem, implementation

Line to Cashier

implementation

Gravity Flip

greedy, implementation, sortings

Valera and X

implementation

Vanya and Cards

implementation, math

Inna and Choose Options

implementation

Fox and Number Game

greedy, math

George and Sleep

implementation

Second-Price Auction

implementation

Bear and Raspberry

brute force, greedy, implementation

Coder

implementation

Sereja and Dima

greedy, implementation, two pointers

New Year Candles

implementation

Playing with Dice

brute force

Lever

implementation, math

Collecting Beats is Fun

implementation

K-Periodic Array

greedy, implementation, math

Valera and Plates

greedy, implementation

Sereja and Coat Rack

implementation

Soroban

implementation

Levko and Table

constructive algorithms, implementation

Table

constructive algorithms, greedy, implementation

Group of Students

brute force, greedy, implementation

Jeff and Digits

brute force, implementation, math

Magnets

implementation

Xenia and Ringroad

implementation

Helpful Maths

greedy, implementation, sortings, strings

Puzzles

greedy

Vasily the Bear and Triangle

implementation, math

Candy Bags

implementation

Cakeminator

brute force, implementation

Ciel and Dancing

greedy

Magic Numbers

brute force, greedy

Even Odds

math

Ilya and Bank Account

implementation, number theory

Candies

implementation

Eugeny and Array

implementation

Ksusha the Squirrel

brute force, implementation

Ksusha and Array

brute force, number theory, sortings

Shaass and Oskols

implementation, math

Spyke Talks

*special problem, implementation, sortings

Cows and Poker Game

brute force, implementation

Bit++

implementation

Word Capitalization

implementation, strings

Circle Line

implementation

Lunch Rush

implementation

Lights Out

implementation

Dima and Friends

implementation, math

Beautiful Year

brute force

Buttons

implementation, math

Games

brute force

Subtractions

math, number theory

Queue at the School

constructive algorithms, graph matchings, implementation, shortest paths

Stones on the Table

implementation

Roadside Trees (Simplified Edition)

greedy, implementation

Colorful Stones (Simplified Edition)

implementation

Squares

greedy, implementation, sortings

Beautiful Matrix

implementation

Roma and Lucky Numbers

implementation

Little Elephant and Chess

brute force, strings

Greg's Workout

implementation

Paper Work

greedy

Cupboards

implementation

Buggy Sorting

constructive algorithms, greedy, sortings

System Administrator

implementation

Dividing Orange

implementation

Free Cash

implementation

Boy or Girl

brute force, implementation, strings

Reading

sortings

Perfect Permutation

implementation, math

Team

brute force, greedy

Dragons

greedy, sortings

Is your horseshoe on the other hoof?

implementation

Little Elephant and Function

implementation, math

k-String

implementation, strings

Bicycle Chain

brute force, implementation

System of Equations

brute force

Dubstep

strings

Little Elephant and Rozdil

brute force, implementation

LLPS

binary search, bitmasks, brute force, greedy, implementation, strings

Drinks

implementation, math

Hexadecimal's theorem

brute force, constructive algorithms, implementation, number theory

Let's Watch Football

binary search, brute force, math

Exams

implementation, math

Vasya's Calendar

implementation

Series of Crimes

brute force, geometry, implementation

Educational Game

greedy

Educational Game

Rectangular Game

number theory

Good Matrix Elements

implementation

Good Matrix Elements

implementation

Phone Code

*special problem, brute force, implementation

Chores

sortings

Wizards and Demonstration

implementation, math

Supercentral Point

implementation

Twins

greedy, sortings

Next Round

*special problem, implementation

Trace

geometry, sortings