Little Artem and Random Variable

dp, implementation, math, probabilities

Little Artem and Dance

brute force, constructive algorithms, implementation

Little Artem and Matrix

implementation

Little Artem and Grasshopper

implementation

Bear and Polynomials

hashing, implementation, math

Bear and Displayed Friends

implementation

Promocodes with Mistakes

*special problem, brute force, constructive algorithms, implementation

Voting for Photos

*special problem, constructive algorithms, implementation

Orchestra

brute force, implementation

Island Puzzle

constructive algorithms, implementation

Fibonacci-ish II

data structures, implementation

Fibonacci-ish

brute force, dp, hashing, implementation, math

Spy Syndrome 2

data structures, dp, hashing, implementation, sortings, string suffix structures, strings

Messenger

data structures, hashing, implementation, string suffix structures, strings

Print Check

constructive algorithms, implementation

Interview

brute force, implementation

Cracking the Code

implementation, math

Far Relative’s Birthday Cake

brute force, combinatorics, constructive algorithms, implementation

Zbazi in Zeydabad

data structures, implementation

Tennis Tournament

implementation, math

Robot Sequence

brute force, implementation

Finals in arithmetic

constructive algorithms, implementation, math

K-special Tables

constructive algorithms, implementation

Guest From the Past

implementation, math

Not Equal on a Segment

data structures, implementation

The Time

implementation

Infinite Sequence

implementation, math

Wet Shark and Bishops

combinatorics, implementation

Wet Shark and Odd and Even

implementation

Grandfather Dovlet’s calculator

implementation

Professor GukiZ's Robot

implementation, math

Constellation

geometry, implementation

Slime Combining

implementation

Polyline

constructive algorithms, implementation

Watering Flowers

implementation

Sum of Remainders

implementation, math, number theory

Comparing Two Long Integers

implementation, strings

Hexagons

binary search, implementation, math

Bulbs

implementation

Gena's Code

implementation, math

Link/Cut Tree

brute force, implementation

HDD is Outdated Technology

implementation, math

The Text Splitting

brute force, implementation, strings

New Year and Cleaning

binary search, implementation

New Year and Domino

dp, implementation

New Year and Old Property

bitmasks, brute force, implementation

New Year and Days

implementation

Vika and Squares

constructive algorithms, implementation

Load Balancing

implementation, math

The Best Gift

constructive algorithms, implementation

USB Flash Drives

greedy, implementation, sortings

Saitama Destroys Hotel

implementation, math

Testing Robots

implementation

Magic Spheres

implementation

Uncowed Forces

implementation

Approximating a Constant Range

dp, implementation, two pointers

Two Bases

brute force, implementation

Extract Numbers

implementation, strings

Spongebob and Joke

implementation

Patrick and Shopping

implementation

Queries on a String

implementation, strings

Wilbur and Array

greedy, implementation

Wilbur and Swimming Pool

geometry, implementation

Vitaly and Night

constructive algorithms, implementation

Edo and Magnets

brute force, greedy, implementation, two pointers

2Char

brute force, implementation

PawnChess

implementation

Rebranding

implementation, strings

Wizards' Duel

implementation, math

Median Smoothing

implementation

Laurenty and Shop

implementation

Alena's Schedule

implementation

Digits of Number Pi

dp, implementation, strings

Gennady the Dentist

brute force, implementation

Robot's Task

greedy, implementation

Asphalting Roads

implementation

Three Logos

bitmasks, brute force, constructive algorithms, geometry, implementation, math

Developing Skills

implementation, math, sortings

Luxurious Houses

implementation, math

Vasya the Hipster

implementation, math

Kefa and First Steps

brute force, dp, implementation

Finding Team Member

brute force, implementation, sortings

Multiplication Table

implementation, number theory

Tablecity

constructive algorithms, implementation

Bear and Elections

greedy, implementation

Bear and Poker

implementation, math, number theory

Order Book

data structures, greedy, implementation, sortings

Lengthening Sticks

combinatorics, implementation, math

Replacement

constructive algorithms, data structures, implementation

Simple Game

constructive algorithms, games, greedy, implementation, math

Elections

implementation

Music

implementation, math

Primes or Palindromes?

brute force, implementation, math, number theory

Berland National Library

implementation

Lineland Mail

greedy, implementation

Gerald is into Art

constructive algorithms, implementation

Currency System in Geraldion

implementation, sortings

Guess Your Way Out! II

data structures, implementation, sortings

Amr and The Large Array

implementation

Lala Land and Apple Trees

brute force, implementation, sortings