Andrey and Problem

greedy, math, probabilities

Dirty Deeds Done Dirt Cheap

greedy, sortings

Desktop Rearrangement

data structures, greedy, implementation

Hometask

brute force, constructive algorithms, greedy, math

Reset K Edges

binary search, data structures, dfs and similar, graphs, greedy, trees

Too Many Segments (hard version)

data structures, greedy, sortings

Pavel and Triangles

brute force, dp, fft, greedy, ternary search

Dances (Hard Version)

binary search, greedy, sortings, two pointers

Zero Tree

dfs and similar, dp, greedy, trees

Mystical Mosaic

greedy, implementation

Edge Deletion

graphs, greedy, shortest paths

Cloud of Hashtags

binary search, greedy, implementation, strings

Maximal GCD

constructive algorithms, greedy, math

2+ doors

2-sat, bitmasks, graphs, greedy

505

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

Luba And The Ticket

brute force, greedy, implementation

Binary Table (Hard Version)

constructive algorithms, graphs, greedy, implementation

Very Suspicious

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

Ksyusha and Chinchilla

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

Recommendations

data structures, greedy, sortings

Green and Black Tea

constructive algorithms, greedy, math

Tree XOR

bitmasks, dfs and similar, dp, greedy, trees

Erase and Extend (Hard Version)

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

Feeding Chicken

constructive algorithms, greedy, implementation

Omsk Metro (simple version)

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

Burenka and Traditions (hard version)

data structures, dp, greedy

Clear the Multiset

data structures, divide and conquer, dp, greedy

Vlad and Unfinished Business

dfs and similar, dp, greedy, trees

GCD and MST

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

Three-level Laser

binary search, greedy, two pointers

You're Given a String...

brute force, greedy

Maxim and Discounts

greedy, sortings

Maximum And Queries (easy version)

binary search, bitmasks, brute force, greedy

Missing Subsequence Sum

bitmasks, constructive algorithms, greedy, number theory

"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

Cram Time

greedy

Zebras

greedy

Permutation Graph

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

Annoying Present

greedy, math

Milking cows

data structures, greedy

Rudolf and Imbalance

binary search, greedy, sortings, two pointers

1D Sokoban

binary search, dp, greedy, implementation, two pointers

Omkar and the Meaning of Life

constructive algorithms, greedy, interactive

Yet Another Subarray Problem

dp, greedy, math

Division into Teams

greedy, math, sortings

Korney Korneevich and XOR (easy version)

bitmasks, dp, greedy

Network Configuration

greedy, sortings

Anton and Making Potions

binary search, dp, greedy, two pointers

Omkar and Circle

brute force, dp, games, greedy

Lexicographically Maximum Subsequence

greedy, strings

Rating Compression

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

Banh-mi

greedy, implementation, math

Lisa and the Martians

bitmasks, greedy, math, strings, trees

Growing Mushrooms

greedy, sortings

Cyclic Operations

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

Three Paths on a Tree

dfs and similar, dp, greedy, trees

Olympic Medal

greedy, math

Vanya and Scales

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

Torus Path

greedy, math

Vasya and Robot

brute force, greedy, math

Exams

binary search, greedy, sortings

Choosing flowers

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

Petya and Catacombs

dsu, greedy, implementation, trees

Did you mean...

dp, greedy, implementation

Bicycles

graphs, greedy, implementation, shortest paths, sortings

Tournament Countdown

constructive algorithms, greedy, interactive, number theory, probabilities

Double Lexicographically Minimum

greedy, strings

Stars Drawing (Easy Edition)

brute force, dp, greedy

Medium Design

brute force, data structures, dp, greedy, sortings

Permutation Restoration

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

Multi-Subject Competition

greedy, sortings

Misha and Forest

constructive algorithms, data structures, greedy, sortings, trees

Bessie's Birthday Cake (Hard Version)

geometry, greedy, math

Burenka and Traditions (easy version)

dp, greedy

Range and Partition

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

Coffee and Coursework (Easy version)

brute force, greedy

Ilya and Matrix

constructive algorithms, greedy, implementation, sortings

Array Shrinking

dp, greedy

Knights of a Polygonal Table

greedy, implementation, sortings

Memory and De-Evolution

greedy, math

MinOr Tree

bitmasks, dfs and similar, dsu, graphs, greedy

Not Afraid

greedy, implementation, math

Karen and Game

brute force, greedy, implementation

Liebig's Barrels

greedy

Sheikh (Easy version)

binary search, bitmasks, greedy, two pointers

Photographer

greedy, sortings

Beautiful Sequence

brute force, constructive algorithms, greedy

Light It Up

greedy

Mike and gcd problem

dp, greedy, number theory

Mike and Shortcuts

dfs and similar, graphs, greedy, shortest paths

Domino for Young

dp, greedy, math

Salary Changing

binary search, greedy, sortings

Marcin and Training Camp

brute force, greedy

Decorate Apple Tree

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

Bear and String Distance

greedy, strings

Weights Division (easy version)

data structures, dfs and similar, greedy, trees

Ilya and Sticks

greedy, math, sortings