Bad Days

*special problem, implementation

Dynamic Diameter

*special problem, data structures, dfs and similar, divide and conquer, trees

Expression

*special problem, expression parsing

Polycarp and the Language of Gods

*special problem, implementation, two pointers

Generate plus state or minus state

*special problem

A Piece of Cake

*special problem, implementation

Мониторинг

*special problem, *special problem

A+B (Trial Problem)

*special problem

Bus

*special problem, implementation, sortings

Fancy Fence

*special problem, data structures, dsu, implementation, math, sortings

Красивая команда

*special problem, combinatorics, math

Boot Camp

*special problem, greedy

Jordan Smiley

*special problem, dfs and similar, geometry, implementation

Digits

*special problem

Sequence of Comparisons

*special problem

ucyhf

*special problem, brute force, implementation, number theory

Stepan and Vowels

*special problem, implementation, strings

Cross-Language Program

*special problem, constructive algorithms

Three Problems

*special problem, implementation

Tree-String Problem

*special problem, dfs and similar, hashing, strings

Копирование файлов I

*special problem, brute force, implementation, math

Village (Minimum)

*special problem, dp, greedy, trees

From Zero To Y

*special problem, math

Mysterious Language

*special problem

Three Integers Again

*special problem, math

Is it rated - 3

*special problem, combinatorics, dp, math

Calendar Reform

*special problem, number theory

MYSTERIOUS LANGUAGE

*special problem

Зингер | color

*special problem, implementation

Phone Talks

*special problem, dp, sortings

Parallel Programming

*special problem, greedy

Math

*special problem, math

Road Improvement

*special problem, dfs and similar, graphs, greedy, trees

WTF?

*special problem, graph matchings, implementation, trees

Hexagonal numbers

*special problem, implementation

Username

*special problem, implementation

Draw Brackets!

*special problem, implementation

Scrambled

*special problem, implementation

Network Mask

*special problem, bitmasks, brute force, implementation

Big Data

*special problem

Cakewalk

*special problem, greedy, implementation, shortest paths

Selling Hamburgers

*special problem

Orange

*special problem, implementation

DDoS

*special problem, brute force

Twisted Circuit

*special problem, brute force, implementation

Узкая дорога

*special problem, math

Lie or Truth

*special problem, constructive algorithms, implementation, sortings

Making Genome in Berland

*special problem, dfs and similar, strings

Color Revolution

*special problem, math

Magnum Opus

*special problem

Running with Obstacles

*special problem, data structures, dp, greedy

Fibonacci army

*special problem, dp

Места в самолёте

*special problem, implementation

000001

*special problem

Cycle In Maze

*special problem, dfs and similar, graphs, greedy, shortest paths

k-Interesting Pairs Of Integers

*special problem, bitmasks, brute force, meet-in-the-middle

Statistics of Recompressing Videos

*special problem, data structures, implementation

QR code

*special problem, implementation

Promocodes with Mistakes

*special problem, brute force, constructive algorithms, implementation

The Great Game

*special problem

Friends or Not

*special problem, greedy, implementation

Name Quest

*special problem, greedy

Chat

*special problem, dp

Прокат велосипедов

*special problem, greedy, implementation

Broken checker

*special problem, brute force

Online Courses In BSU

*special problem, dfs and similar, graphs, implementation

Rotate, Flip and Zoom

*special problem, implementation

Processing Queries

*special problem, constructive algorithms, data structures, two pointers

Pseudorandom Sequence Period

*special problem, implementation, number theory

Factorial

*special problem, implementation

Maximize Sum of Digits

*special problem, implementation, math

String Manipulation 1.0

*special problem, binary search, brute force, data structures, strings

Closest Equals

*special problem, data structures

Mysterious strings

*special problem, implementation

Command Line Arguments

*special problem, implementation, strings

Numbers Joke

*special problem

...And after happily lived ever they

*special problem, bitmasks

News About Credit

*special problem, greedy, two pointers

Login Verification

*special problem, strings

Mike's Sequence

*special problem, divide and conquer, implementation, math

Da Vinci Powers

*special problem

Matchmaker

*special problem, greedy, sortings

Home Numbers

*special problem, constructive algorithms, math

Star

*special problem, combinatorics

Not a Geometry Problem

*special problem, *special problem, constructive algorithms, geometry, math

Maximum Number

*special problem, constructive algorithms, greedy, implementation

Palindrome pairs

*special problem, brute force, dp, strings

Trivial Conjecture

*special problem, constructive algorithms, math, number theory

Mysterious numbers - 1

*special problem, constructive algorithms

Parliament of Berland

*special problem, constructive algorithms

Voting for Photos

*special problem, constructive algorithms, implementation

Was it Rated?

*special problem, *special problem, *special problem, brute force, implementation

Year of University Entrance

*special problem, implementation, sortings

Pōja Verdon

*special problem, implementation, math

Bmail Computer Network

*special problem, dfs and similar, trees

Unmysterious Language

*special problem, constructive algorithms, strings

Phone Code

*special problem, brute force, implementation

Spyke Talks

*special problem, implementation, sortings

DMCA

*special problem, implementation, number theory

Ice Sculptures

*special problem, brute force, number theory