Mike and Fax

brute force, implementation, strings

Soldier and Badges

brute force, greedy, implementation, sortings

Queue

greedy, implementation, sortings

Equidistant String

greedy

Set of Strings

implementation, strings

Tavas and SaDDas

bitmasks, brute force, combinatorics, implementation

Exam

constructive algorithms, implementation, math

Playing with Paper

implementation, math

King of Thieves

brute force, implementation

Vitaliy and Pie

greedy, hashing, strings

Rotate, Flip and Zoom

*special problem, implementation

Photo to Remember

*special problem, data structures, dp, implementation

Reposts

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

A and B and Team Training

greedy, implementation, math, number theory

A and B and Compilation Errors

data structures, implementation, sortings

Drazil and His Happy Friends

brute force, dsu, meet-in-the-middle, number theory

Chewbaсca and Number

greedy, implementation

Painting Pebbles

constructive algorithms, greedy, implementation

Anton and currency you all know

greedy, math, strings

Pasha and Pixels

brute force

Mr. Kitayuta's Gift

brute force, implementation, strings

Misha and Changing Handles

data structures, dsu, strings

Digital Counter

implementation

Vasya and Football

implementation

Vanya and Lanterns

binary search, implementation, math, sortings

BerSU Ball

dfs and similar, dp, graph matchings, greedy, sortings, two pointers

SwapSort

greedy, implementation, sortings

Giga Tower

brute force

OR in Matrix

greedy, hashing, implementation

Valuable Resources

brute force, greedy

Counterexample

brute force, implementation, math, number theory

Diverse Permutation

constructive algorithms, greedy

Random Teams

combinatorics, constructive algorithms, greedy, math

Initial Bet

implementation

Dreamoon and WiFi

bitmasks, brute force, combinatorics, dp, math, probabilities

Bayan Bus

implementation

Worms

binary search, implementation

Design Tutorial: Learn from Life

MUH and Important Things

implementation, sortings

MUH and Sticks

implementation

Chat Online

implementation

Fedor and New Game

bitmasks, brute force, constructive algorithms, implementation

Cheap Travel

implementation

Caisa and Pylons

brute force, implementation, math

Caisa and Sugar

brute force, implementation

Appleman and Card Game

greedy

Appleman and Toastman

greedy, sortings

Pashmak and Flowers

combinatorics, implementation, sortings

Pashmak and Garden

implementation

Fedya and Maths

math, number theory

Laptops

sortings

Little Pony and Sort by Shift

implementation

Sort the Array

implementation, sortings

Jzzhu and Sequences

implementation, math

DZY Loves Chessboard

dfs and similar, implementation

Devu, the Dumb Guy

implementation, sortings

The Child and Homework

implementation

Kuriyama Mirai's Stones

dp, implementation, sortings

Kitahara Haruki's Gift

brute force, implementation

Football Kit

brute force, greedy, implementation

Shower Line

brute force, implementation

Xor-tree

dfs and similar, trees

Prison Transfer

data structures, implementation

Sereja and Mirroring

implementation

Megacity

binary search, greedy, implementation, sortings

Art Union

brute force, dp, implementation

Spyke Chatting

implementation

Data Recovery

implementation

Pattern

implementation, strings

Garland

implementation

Domino Effect

Nuts

greedy, math

Sereja and Contests

greedy, implementation, math

Inna and New Matrix of Candies

brute force, implementation, schedules

Fox and Cross

greedy, implementation

George and Round

brute force, greedy, two pointers

Bear and Strings

brute force, greedy, implementation, math, strings

Ksenia and Pan Scales

greedy, implementation

Sereja and Stairs

greedy, implementation, sortings

New Year Present

constructive algorithms, implementation

Semifinals

implementation, sortings

I.O.U.

implementation

Fox Dividing Cheese

math, number theory

Berland Bingo

implementation

Rook, Bishop and King

graphs, math, shortest paths

Sereja and Suffixes

data structures, dp

Dima and To-do List

brute force, implementation

Dima and Guards

implementation

The Fibonacci Segment

implementation

Good Number

implementation

Fence

brute force, dp

Petya and Staircases

implementation, sortings

Levko and Permutation

constructive algorithms, math, number theory

Vasya and Public Transport

greedy, implementation

Vasya and Digital Root

constructive algorithms, implementation

Domino

implementation, math

Jeff and Periods

implementation, sortings

TL

brute force, greedy, implementation

Cinema Line

greedy, implementation

Fixed Points

brute force, implementation, math