Bicycles

graphs, greedy, implementation, shortest paths, sortings

Tournament Countdown

constructive algorithms, greedy, interactive, number theory, probabilities

Burenka and Traditions (easy version)

dp, greedy

Unfair Game

dp, games, greedy, math, schedules

Range and Partition

binary search, constructive algorithms, data structures, greedy, two pointers

Sheikh (Easy version)

binary search, bitmasks, greedy, two pointers

Make Palindrome

constructive algorithms, greedy, strings

Moscow Gorillas

binary search, dp, greedy, implementation, math, two pointers

Maximize the Intersections

combinatorics, constructive algorithms, geometry, greedy, sortings

Buying gifts

data structures, greedy, sortings

Slimes

binary search, constructive algorithms, data structures, greedy, two pointers

Binary String Sorting

constructive algorithms, greedy

Slime Escape

data structures, dp, greedy, two pointers

A Wide, Wide Graph

dfs and similar, dp, graphs, greedy, trees

Vasya And Array

constructive algorithms, greedy, implementation

Shortest and Longest LIS

constructive algorithms, graphs, greedy, two pointers

Mark and Lightbulbs

combinatorics, constructive algorithms, greedy, math, sortings

Ugly Pairs

dfs and similar, greedy, implementation, sortings, strings

Sorting By Multiplication

dp, greedy

Eternal Victory

dfs and similar, graphs, greedy, shortest paths, trees

New Year Parties

dp, greedy

Maximum AND

bitmasks, dfs and similar, divide and conquer, greedy, sortings

BA-String

brute force, dp, greedy, implementation, math

Tokitsukaze and Good 01-String (hard version)

dp, greedy, implementation

Prefix Purchase

greedy, implementation, sortings

Boboniu Chats with Du

dp, greedy, sortings, two pointers

Andrey and Escape from Capygrad

binary search, data structures, dp, dsu, greedy, sortings

Office Keys

binary search, brute force, dp, greedy, sortings

The Treasure of The Segments

binary search, data structures, greedy

Lucky Permutation

constructive algorithms, dfs and similar, graphs, greedy

Zookeeper and The Infinite Zoo

bitmasks, constructive algorithms, dp, greedy, math

Increasing Subsequences

bitmasks, constructive algorithms, divide and conquer, greedy, math

Minimum Euler Cycle

constructive algorithms, graphs, greedy, implementation

Messenger in MAC

binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings

String Coloring (easy version)

constructive algorithms, dp, graphs, greedy, sortings

Rock, Paper, Scissors

brute force, constructive algorithms, flows, greedy, math

New Year's Problem

binary search, greedy, sortings

Ranom Numbers

brute force, dp, greedy, math, strings

Rating System

binary search, brute force, data structures, dp, dsu, greedy, math, two pointers

Yet Another Minimization Problem

dp, greedy, math

Christmas Trees

graphs, greedy, shortest paths

Task On The Board

constructive algorithms, greedy, implementation, sortings

Edge Weight Assignment

bitmasks, constructive algorithms, dfs and similar, greedy, math, trees

Slime

dp, greedy, implementation

Garland

dp, greedy, sortings

Recover an RBS

constructive algorithms, greedy, implementation, strings

Mikasa

binary search, bitmasks, greedy, implementation

Extreme Subtraction

constructive algorithms, dp, greedy

Dreamoon Likes Coloring

constructive algorithms, greedy, implementation, math

Maximum Distributed Tree

dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees

Diane

constructive algorithms, greedy, strings

Uncle Bogdan and Country Happiness

dfs and similar, greedy, math, trees

Armchairs

dp, flows, graph matchings, greedy

Prefix-Suffix Palindrome (Hard version)

binary search, greedy, hashing, string suffix structures, strings

Chef Monocarp

dp, flows, graph matchings, greedy, math, sortings

Stoned Game

brute force, constructive algorithms, games, greedy

Colored Rectangles

dp, greedy, sortings

The Sports Festival

dp, greedy

Carousel

constructive algorithms, dp, graphs, greedy, math

Table Decorations

greedy

Fix the String

*special problem, bitmasks, dp, greedy

Ice Cream

*special problem, greedy, sortings

Zebra Tower

*special problem, data structures, greedy, sortings

Demonstration

greedy

Harry Potter and the History of Magic

brute force, greedy, implementation

Фото на память - 2 (round version)

dp, greedy

Game with Coins

greedy

Average Score

greedy, math, sortings

Game

dfs and similar, greedy

Minimum Sum

constructive algorithms, greedy, math

Discounts

constructive algorithms, greedy, sortings

Plus and xor

dp, greedy, math

Levko and Array Recovery

greedy, implementation

Cycle In Maze

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

Board Game

games, greedy, implementation, math

George and Number

greedy, implementation

Wilbur and Points

combinatorics, greedy, sortings

Triangle Construction

greedy, math

Pick Heroes

greedy, implementation, interactive, sortings

Balls and Boxes

constructive algorithms, greedy, implementation

Elections

greedy

Terse princess

constructive algorithms, greedy

Toy Sum

greedy, implementation, math

Animals

dp, greedy

Train Splitting

constructive algorithms, graphs, greedy

Railway System

constructive algorithms, graphs, greedy, interactive, sortings

MUH and House of Cards

binary search, brute force, greedy, math

Portal

brute force, data structures, dp, greedy, implementation

Sea Battle

constructive algorithms, greedy, math

Riverside Curio

data structures, dp, greedy

Posterized

games, greedy

Toy Train (Simplified)

brute force, greedy

Subsequence Counting

bitmasks, constructive algorithms, greedy, implementation

Road to Cinema

binary search, greedy, sortings

Jzzhu and Chocolate

greedy, math

String Reconstruction

data structures, greedy, sortings, strings

Dasha and Very Difficult Problem

binary search, brute force, constructive algorithms, greedy, sortings

Petya's Exams

greedy, implementation, sortings

Mahmoud and a Message

brute force, dp, greedy, strings

Shaass and Bookshelf

dp, greedy