Minimum Notation

data structures, greedy, math, sortings

GukiZ and Contest

brute force, implementation, sortings

Berland Regional

brute force, data structures, greedy, number theory, sortings

Two Arrays

greedy, math, sortings

2^Sort

data structures, dp, sortings, two pointers

Elementary Particles

brute force, greedy, sortings

Longest Strike

data structures, greedy, implementation, sortings, two pointers

Jeff and Periods

implementation, sortings

Deja Vu

brute force, math, sortings

A-B-C Sort

constructive algorithms, implementation, sortings

Air Conditioner

dp, greedy, implementation, sortings, two pointers

Dominated Subarray

greedy, implementation, sortings, strings, two pointers

Hemose Shopping

constructive algorithms, dsu, math, sortings

Saving the City

dp, greedy, math, sortings

Equalize the Array

binary search, data structures, greedy, math, sortings

Non-zero Segments

constructive algorithms, data structures, greedy, sortings

Journey Planning

data structures, dp, greedy, math, sortings

Sort with Step

brute force, math, sortings

Equalize

binary search, greedy, sortings, two pointers

Eastern Exhibition

binary search, geometry, shortest paths, sortings

Prof. Slim

greedy, implementation, sortings

Big Segment

implementation, sortings

Appleman and Toastman

greedy, sortings

Hilbert's Hotel

math, number theory, sortings

Digital Logarithm

data structures, greedy, sortings

Ehab Is an Odd Person

sortings

Fox And Names

dfs and similar, graphs, sortings

Parity Shuffle Sorting

constructive algorithms, sortings

Chat Order

*special problem, binary search, constructive algorithms, data structures, sortings

Running for Gold

combinatorics, graphs, greedy, sortings

The Delivery Dilemma

binary search, greedy, sortings

Two Shuffled Sequences

constructive algorithms, sortings

Knapsack

constructive algorithms, greedy, sortings

Olympiad

implementation, sortings

Helmets in Night Light

greedy, sortings

Prefix Sum Addicts

constructive algorithms, greedy, math, sortings

Swap and Reverse

constructive algorithms, greedy, sortings, strings

Sage's Birthday (hard version)

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

Balanced Tunnel

data structures, sortings, two pointers

Playing in a Casino

math, sortings

Paprika and Permutation

binary search, greedy, math, sortings

Split Sort

greedy, math, sortings

Doggo Recoloring

implementation, sortings

Birthday

binary search, greedy, sortings

Trust Nobody

brute force, greedy, implementation, sortings

Lamps

greedy, sortings

Masha and a Beautiful Tree

dfs and similar, divide and conquer, graphs, sortings, trees

Toy Blocks

binary search, greedy, math, sortings

Virus

greedy, implementation, sortings

2D Traveling

geometry, math, shortest paths, sortings

Power Sequence

brute force, math, number theory, sortings

Two Arrays

greedy, math, sortings

Lunar New Year and Number Division

greedy, implementation, math, sortings

Pursuit

binary search, brute force, greedy, sortings

Phoenix and Distribution

constructive algorithms, greedy, sortings, strings

Swaps

greedy, math, sortings

Devu, the Dumb Guy

implementation, sortings

Filya and Homework

implementation, sortings

Queue Sort

greedy, implementation, sortings

Game on Ranges

brute force, dfs and similar, implementation, sortings

Incinerate

binary search, brute force, data structures, implementation, math, sortings

Fight with Monsters

greedy, sortings

Air Conditioners

data structures, dp, implementation, shortest paths, sortings, two pointers

Emotes

greedy, math, sortings

Sweets Eating

dp, greedy, math, sortings

Make It Permutation

brute force, greedy, sortings

Kuroni and the Gifts

brute force, constructive algorithms, greedy, sortings

Seating Arrangements (easy version)

data structures, greedy, sortings

Number Circle

greedy, math, sortings

Vanya and Exams

greedy, sortings

Great Graphs

constructive algorithms, graphs, greedy, shortest paths, sortings

Array Splitting

greedy, sortings

AquaMoon and Strange Sort

sortings

Unlucky Ticket

greedy, sortings

Elemental Decompress

constructive algorithms, greedy, implementation, sortings

Jumbo Extra Cheese 2

geometry, greedy, sortings

Reverse a Substring

implementation, sortings, strings

Reading Books (easy version)

data structures, greedy, sortings

Deep Down Below

binary search, greedy, sortings

The Child and Toy

graphs, greedy, sortings

Petya and Staircases

implementation, sortings

Boxers

greedy, sortings

DIY Wooden Ladder

greedy, math, sortings

Vika and the Bridge

binary search, data structures, greedy, implementation, math, sortings

Binary Cut

greedy, implementation, sortings, strings

Glory Addicts

greedy, implementation, sortings

Anna and the Valentine's Day Gift

games, greedy, math, sortings

Candy Box (easy version)

greedy, sortings

Going to the Cinema

brute force, greedy, sortings

Close Tuples (easy version)

binary search, combinatorics, math, sortings, two pointers

Alice and the Cake

data structures, greedy, implementation, sortings

Sagheer and Nubian Market

binary search, sortings

Kill `Em All

greedy, sortings

Morning Jogging

constructive algorithms, greedy, sortings

Nastya and an Array

implementation, sortings

Interesting Story

greedy, sortings, strings

Advertising Agency

combinatorics, math, sortings

Trace

geometry, sortings

Wooden Toy Festival

binary search, greedy, sortings

Collecting Game

binary search, dp, greedy, sortings, two pointers