Two Arrays And Swaps

greedy, sortings

Phoenix and Distribution

constructive algorithms, greedy, sortings, strings

Phoenix and Beauty

constructive algorithms, data structures, greedy, sortings

Spring Cleaning

*special problem, greedy, sortings

Hilbert's Hotel

math, number theory, sortings

Weights Distributing

brute force, graphs, greedy, shortest paths, sortings

Multiple Testcases

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

Sorted Adjacent Differences

constructive algorithms, sortings

Xenia and Colorful Gems

binary search, greedy, math, sortings, two pointers

Linova and Kingdom

dfs and similar, dp, greedy, sortings, trees

Two Teams Composing

binary search, greedy, implementation, sortings

Middle Class

greedy, sortings

Kate and imperfection

greedy, implementation, math, number theory, sortings, two pointers

Challenges in school №41

brute force, constructive algorithms, games, graphs, greedy, implementation, sortings

Pair of Topics

binary search, data structures, sortings, two pointers

Present

binary search, bitmasks, constructive algorithms, data structures, math, sortings

World of Darkraft: Battle for Azathoth

brute force, data structures, sortings

Journey Planning

data structures, dp, greedy, math, sortings

Team Building

bitmasks, dp, greedy, sortings

String Modification

brute force, constructive algorithms, implementation, sortings, strings

Bogosort

constructive algorithms, sortings

Moving Points

data structures, divide and conquer, implementation, sortings

WeirdSort

dfs and similar, sortings

Recommendations

data structures, greedy, sortings

Cow and Fields

binary search, data structures, dfs and similar, graphs, greedy, shortest paths, sortings

Kuroni and the Gifts

brute force, constructive algorithms, greedy, sortings

Air Conditioner

dp, greedy, implementation, sortings, two pointers

Assigning to Classes

greedy, implementation, sortings

Movie Fan

*special problem, data structures, greedy, implementation, sortings

Bonus Distribution

*special problem, binary search, greedy, sortings

Cartoons

*special problem, implementation, sortings

Berland Beauty

constructive algorithms, dfs and similar, greedy, sortings, trees

String Coloring (easy version)

constructive algorithms, dp, graphs, greedy, sortings

Fight with Monsters

greedy, sortings

Collecting Packages

implementation, sortings

Garland

dp, greedy, sortings

Delete a Segment

brute force, constructive algorithms, data structures, dp, graphs, sortings, trees, two pointers

New Year and Castle Construction

combinatorics, geometry, math, sortings

New Year and Conference

binary search, data structures, hashing, sortings

New Year and Ascent Sequence

binary search, combinatorics, data structures, dp, implementation, sortings

Petya and Exam

greedy, sortings, two pointers

K for the Price of One (Hard Version)

dp, greedy, sortings

K for the Price of One (Easy Version)

dp, greedy, sortings

Three Friends

brute force, greedy, math, sortings

Portals

data structures, dp, greedy, implementation, sortings

Strange Device

constructive algorithms, interactive, math, sortings

Modulo Equality

brute force, sortings

Intriguing Selection

brute force, constructive algorithms, implementation, interactive, sortings

A Game with Traps

binary search, dp, greedy, sortings

Yet Another Monster Killing Problem

binary search, data structures, dp, greedy, sortings, two pointers

Dominated Subarray

greedy, implementation, sortings, strings, two pointers

Equalizing Two Strings

constructive algorithms, sortings, strings

Yet Another Division Into Teams

dp, greedy, sortings

Antenna Coverage

data structures, dp, greedy, sortings

Harmonious Graph

constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings

Sweets Eating

dp, greedy, math, sortings

Salary Changing

binary search, greedy, sortings

Too Many Segments (hard version)

data structures, greedy, sortings

Grow The Tree

greedy, math, sortings

Minimizing Difference

binary search, constructive algorithms, greedy, sortings, ternary search, two pointers

0-1 MST

dfs and similar, dsu, graphs, sortings

Adilbek and the Watering System

data structures, greedy, sortings

Kill `Em All

greedy, sortings

Balanced Removals (Harder)

binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings

Balanced Tunnel

data structures, sortings, two pointers

Paint the Tree

dp, sortings, trees

Choose a Square

binary search, data structures, sortings

Cards

implementation, sortings, strings

Shooting

greedy, implementation, sortings

Employment

greedy, sortings

Petya and Construction Set

constructive algorithms, graphs, math, sortings, trees

Path Queries

divide and conquer, dsu, graphs, sortings, trees

Equalizing by Division (hard version)

brute force, math, sortings

Ice Cream

*special problem, greedy, sortings

Rotate Columns (hard version)

bitmasks, dp, greedy, sortings

Rotate Columns (easy version)

bitmasks, brute force, dp, greedy, sortings

Choose Two Numbers

math, sortings

Boxers

greedy, sortings

Maximum Median

binary search, greedy, math, sortings

Matching vs Independent Set

constructive algorithms, graphs, greedy, sortings

Welfare State

binary search, brute force, data structures, sortings

MP3

sortings, two pointers

Culture Code

binary search, combinatorics, data structures, dp, shortest paths, sortings

Array Splitting

greedy, sortings

DIY Wooden Ladder

greedy, math, sortings

K-th Path

brute force, constructive algorithms, shortest paths, sortings

Geometers Anonymous Club

data structures, geometry, math, sortings

Count The Rectangles

bitmasks, brute force, data structures, geometry, sortings

Tokitsukaze and Strange Rectangle

data structures, divide and conquer, sortings, two pointers

Number Circle

greedy, math, sortings

Subarray Sorting

data structures, sortings

Exam in BerSU (easy version)

greedy, sortings

The Doctor Meets Vader (Medium)

flows, graph matchings, graphs, shortest paths, sortings

The Doctor Meets Vader (Easy)

binary search, sortings

Candy Box (hard version)

greedy, implementation, sortings

Topforces Strikes Back

brute force, math, sortings

Candy Box (easy version)

greedy, sortings

A Story of One Country (Hard)

brute force, greedy, sortings

A Story of One Country (Easy)

brute force, divide and conquer, sortings

Irrigation

binary search, data structures, implementation, sortings, trees, two pointers