Too Many Segments (hard version)

data structures, greedy, sortings

Hometask

brute force, constructive algorithms, greedy, math

Pavel and Triangles

brute force, dp, fft, greedy, ternary search

Zero Tree

dfs and similar, dp, greedy, trees

Edge Deletion

graphs, greedy, shortest paths

Ksyusha and Chinchilla

constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees

2+ doors

2-sat, bitmasks, graphs, greedy

Maximal GCD

constructive algorithms, greedy, math

Mystical Mosaic

greedy, implementation

Cloud of Hashtags

binary search, greedy, implementation, strings

505

bitmasks, brute force, constructive algorithms, dp, greedy, implementation

Luba And The Ticket

brute force, greedy, implementation

Tree XOR

bitmasks, dfs and similar, dp, greedy, trees

Very Suspicious

binary search, brute force, geometry, greedy, implementation, math

Binary Table (Hard Version)

constructive algorithms, graphs, greedy, implementation

Omsk Metro (simple version)

data structures, dfs and similar, dp, graphs, greedy, math, trees

Recommendations

data structures, greedy, sortings

Erase and Extend (Hard Version)

binary search, data structures, greedy, hashing, string suffix structures, strings, two pointers

Burenka and Traditions (hard version)

data structures, dp, greedy

Green and Black Tea

constructive algorithms, greedy, math

Feeding Chicken

constructive algorithms, greedy, implementation

Vlad and Unfinished Business

dfs and similar, dp, greedy, trees

Clear the Multiset

data structures, divide and conquer, dp, greedy

Maximum And Queries (easy version)

binary search, bitmasks, brute force, greedy

GCD and MST

constructive algorithms, dsu, graphs, greedy, number theory, sortings

Three-level Laser

binary search, greedy, two pointers

Rudolf and Imbalance

binary search, greedy, sortings, two pointers

You're Given a String...

brute force, greedy

Yet Another Subarray Problem

dp, greedy, math

Maxim and Discounts

greedy, sortings

"Or" Game

brute force, greedy

Necklace Assembly

brute force, dfs and similar, dp, graphs, greedy, number theory

Recover it!

dfs and similar, graphs, greedy, number theory, sortings

Tournament

bitmasks, brute force, dfs and similar, greedy

Permutation Graph

binary search, constructive algorithms, data structures, divide and conquer, greedy, shortest paths

Cram Time

greedy

Zebras

greedy

Annoying Present

greedy, math

Milking cows

data structures, greedy

Omkar and the Meaning of Life

constructive algorithms, greedy, interactive

1D Sokoban

binary search, dp, greedy, implementation, two pointers

Korney Korneevich and XOR (easy version)

bitmasks, dp, greedy

Division into Teams

greedy, math, sortings

Network Configuration

greedy, sortings

Lisa and the Martians

bitmasks, greedy, math, strings, trees

Growing Mushrooms

greedy, sortings

Lexicographically Maximum Subsequence

greedy, strings

Anton and Making Potions

binary search, dp, greedy, two pointers

Omkar and Circle

brute force, dp, games, greedy

Cyclic Operations

brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation

Rating Compression

binary search, data structures, greedy, implementation, two pointers

Banh-mi

greedy, implementation, math

Bessie's Birthday Cake (Hard Version)

geometry, greedy, math

Three Paths on a Tree

dfs and similar, dp, greedy, trees

Coffee and Coursework (Easy version)

brute force, greedy

Olympic Medal

greedy, math

Torus Path

greedy, math

Bicycles

graphs, greedy, implementation, shortest paths, sortings

Unfair Game

dp, games, greedy, math, schedules

Vanya and Scales

brute force, dp, greedy, math, meet-in-the-middle, number theory

Medium Design

brute force, data structures, dp, greedy, sortings

Vasya and Robot

brute force, greedy, math

Choosing flowers

binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers

Exams

binary search, greedy, sortings

Tournament Countdown

constructive algorithms, greedy, interactive, number theory, probabilities

Petya and Catacombs

dsu, greedy, implementation, trees

Double Lexicographically Minimum

greedy, strings

Stars Drawing (Easy Edition)

brute force, dp, greedy

Did you mean...

dp, greedy, implementation

Burenka and Traditions (easy version)

dp, greedy

Array Shrinking

dp, greedy

Permutation Restoration

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

Range and Partition

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

Multi-Subject Competition

greedy, sortings

Misha and Forest

constructive algorithms, data structures, greedy, sortings, trees

MinOr Tree

bitmasks, dfs and similar, dsu, graphs, greedy

Ilya and Matrix

constructive algorithms, greedy, implementation, sortings

Knights of a Polygonal Table

greedy, implementation, sortings

Memory and De-Evolution

greedy, math

Sheikh (Easy version)

binary search, bitmasks, greedy, two pointers

Photographer

greedy, sortings

Not Afraid

greedy, implementation, math

Liebig's Barrels

greedy

Karen and Game

brute force, greedy, implementation

Mike and gcd problem

dp, greedy, number theory

Beautiful Sequence

brute force, constructive algorithms, greedy

Light It Up

greedy

Mike and Shortcuts

dfs and similar, graphs, greedy, shortest paths

Set To Max (Easy Version)

brute force, constructive algorithms, greedy

Domino for Young

dp, greedy, math

Salary Changing

binary search, greedy, sortings

Decorate Apple Tree

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

Make Palindrome

constructive algorithms, greedy, strings

Array Splitting

greedy, sortings

Bear and String Distance

greedy, strings

Marcin and Training Camp

brute force, greedy

Weights Division (easy version)

data structures, dfs and similar, greedy, trees

Ilya and Sticks

greedy, math, sortings

Fruits

greedy, implementation, sortings

Vasya and the Bus

greedy, math