Bear and Five Cards

constructive algorithms, implementation

Bear and Chase

brute force, dfs and similar, graphs, implementation, math, probabilities

Bear and Square Grid

dfs and similar, dsu, implementation

Joty and Chocolate

implementation, math, number theory

The Same Calendar

implementation

Johny Likes Numbers

implementation, math

Vanya and Balloons

binary search, brute force, dp, implementation

Vanya and Label

bitmasks, combinatorics, implementation, strings

Vanya and Food Processor

implementation, math

Vanya and Fence

implementation

Theseus and labyrinth

graphs, implementation, shortest paths

Pyramid of Glasses

implementation, math, math

Nicholas and Permutation

constructive algorithms, implementation

Problems for Round

greedy, implementation

Bear and Game

implementation

Different is Good

constructive algorithms, implementation, strings

Summer Camp

implementation

Recycling Bottles

dp, geometry, greedy, implementation

Magic Powder - 2

binary search, implementation

Magic Powder - 1

binary search, brute force, implementation

Cinema

implementation, sortings

Game of Robots

implementation

Reberland Linguistics

dp, implementation, strings

Buses Between Cities

implementation

International Olympiad

constructive algorithms, greedy, implementation, math

Seating On Bus

implementation

Co-prime Array

greedy, implementation, math, number theory

Bicycle Race

geometry, implementation, math

Tanya and Toys

greedy, implementation

Round House

implementation, math

Bear and Reverse Radewoosh

implementation

Scrambled

*special problem, implementation

Bear and Up-Down

brute force, implementation

Bear and Three Balls

brute force, implementation, sortings

Gabriel and Caterpillar

implementation, math

Joysticks

dp, greedy, implementation, math

Дефрагментация памяти

constructive algorithms, greedy, implementation

Любимые числа Поликарпа

constructive algorithms, implementation

Наибольший подъем

constructive algorithms, implementation

Amity Assessment

brute force, constructive algorithms, implementation

Hostname Aliases

*special problem, binary search, data structures, implementation, sortings, strings

Bear and Colors

implementation

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