Coder

implementation

Vanya and Cards

implementation, math

Schedule Management

binary search, greedy, implementation, two pointers

Jeff and Periods

implementation, sortings

Log Chopping

games, implementation, math

Serval and Inversion Magic

brute force, implementation, strings, two pointers

A-B-C Sort

constructive algorithms, implementation, sortings

Shuffle Hashing

brute force, implementation, strings

Airport

implementation

Kitahara Haruki's Gift

brute force, implementation

Air Conditioner

dp, greedy, implementation, sortings, two pointers

Letter

implementation, strings

Distinct Buttons

implementation, math

Groups

brute force, implementation

Simple Game

constructive algorithms, games, greedy, implementation, math

K-Complete Word

dfs and similar, dsu, greedy, implementation, strings

Radio Station

implementation, strings

Chocolates

greedy, implementation

Tokitsukaze and Good 01-String (easy version)

implementation

Suffix Structures

implementation, strings

A BIT of a Construction

bitmasks, constructive algorithms, greedy, implementation

Rounding

implementation, math

Palindromic Twist

implementation, strings

Dominated Subarray

greedy, implementation, sortings, strings, two pointers

Putting Plates

constructive algorithms, implementation

I love AAAB

constructive algorithms, implementation

Likes

greedy, implementation

Rudolf and Snowflakes (simple version)

brute force, implementation, math

Christmas Spruce

implementation, trees

Reachable Numbers

implementation

Vitya in the Countryside

implementation

Game

implementation

Round House

implementation, math

Maximum Square

implementation

Important Exam

implementation, strings

Vitamins

bitmasks, brute force, dp, implementation

Meximum Array

binary search, constructive algorithms, greedy, implementation, math, two pointers

Prof. Slim

greedy, implementation, sortings

Big Segment

implementation, sortings

String Equality

dp, greedy, hashing, implementation, strings

Launch of Collider

implementation

Vanya and Books

implementation, math

Fast Food Restaurant

brute force, greedy, implementation

Rooms and Staircases

brute force, implementation

Milica and String

brute force, implementation, strings

Splitting into digits

constructive algorithms, implementation, math

Good Numbers (easy version)

brute force, greedy, implementation

Madoka and the Elegant Gift

brute force, constructive algorithms, graphs, implementation

A Good Contest

implementation

Maximum Sum on Even Positions

divide and conquer, dp, greedy, implementation

Summer Camp

implementation

ConneR and the A.R.C. Markland-N

binary search, brute force, implementation

Neko Finds Grapes

greedy, implementation, math

Killjoy

greedy, implementation, math

Diverse Substring

implementation, strings

Particles

dp, greedy, implementation, math

Left-handers, Right-handers and Ambidexters

implementation, math

Blackjack

implementation

Olympiad

implementation, sortings

Balanced Bitstring

implementation, strings

Find Marble

implementation

Romaji

implementation, strings

Little Elephant and Function

implementation, math

Cow and Haybales

greedy, implementation

Death Note

greedy, implementation, math

Lucky Ticket

implementation

Maximum Sum of Products

brute force, dp, implementation, math, two pointers

New Year and Counting Cards

brute force, implementation

Doggo Recoloring

implementation, sortings

Trust Nobody

brute force, greedy, implementation, sortings

Virus

greedy, implementation, sortings

Vasya and Chocolate

implementation, math

Little Pony and Crystal Mine

implementation

Game with string

data structures, implementation, math

Temporarily unavailable

implementation, math

Madoka and Underground Competitions

constructive algorithms, implementation

Qpwoeirut And The City

dp, flows, greedy, implementation

Bestie

brute force, combinatorics, constructive algorithms, implementation, math, number theory

Yet Another Walking Robot

data structures, implementation

Prefix Permutation Sums

implementation, math

Equality

implementation, strings

Hungry Student Problem

greedy, implementation

Garden

implementation

Vitaly and Night

constructive algorithms, implementation

Bazoka and Mocha's Array

brute force, greedy, implementation, sortings

Diverse Substrings

brute force, implementation, strings

Dasha and Stairs

brute force, constructive algorithms, implementation, math

Lunar New Year and Number Division

greedy, implementation, math, sortings

Chloe and the sequence

binary search, bitmasks, constructive algorithms, implementation

Beru-taxi

brute force, geometry, implementation

City Day

implementation

Ugu

brute force, dp, greedy, implementation

LIS or Reverse LIS?

constructive algorithms, greedy, implementation, math

k-Factorization

implementation, math, number theory

Belted Rooms

graphs, implementation

Nice Matrix

greedy, implementation, math

Adding Digits

implementation, math

George and Job

dp, implementation

Playing with Paper

implementation, math

Keyboard Layouts

implementation, strings