Anna, Svyatoslav and Maps

dp, graphs, greedy, shortest paths

Mislove Has Lost an Array

greedy, math

Complete the Projects (hard version)

dp, greedy

Complete the Projects (easy version)

greedy

Boxers

greedy, sortings

Remove the Substring (hard version)

binary search, greedy, implementation, two pointers

Remove the Substring (easy version)

greedy, implementation

Equal Rectangles

greedy, math

You Are Given a WASD-string...

brute force, data structures, dp, greedy, implementation, math, strings

You Are Given Two Binary Strings...

bitmasks, greedy

Treasure Hunting

binary search, dp, greedy, implementation

Maximum Median

binary search, greedy, math, sortings

Zero Array

greedy, math

Block Adventure

dp, greedy

GCD Groups 2

greedy, number theory, probabilities

Matching vs Independent Set

constructive algorithms, graphs, greedy, sortings

Yet Another Subarray Problem

dp, greedy, math

Array Splitting

greedy, sortings

Pillars

greedy, implementation

DIY Wooden Ladder

greedy, math, sortings

Drinks Choosing

greedy, math

Tokitsukaze and Explosion

binary search, greedy

Tokitsukaze and Duel

brute force, games, greedy

Number Circle

greedy, math, sortings

Vasya And Array

constructive algorithms, greedy, implementation

Vus the Cossack and a Graph

dfs and similar, graphs, greedy, implementation

Vus the Cossack and Numbers

constructive algorithms, greedy, math

Exam in BerSU (hard version)

brute force, data structures, greedy, math

Exam in BerSU (easy version)

greedy, sortings

Candy Box (hard version)

greedy, implementation, sortings

Candy Box (easy version)

greedy, sortings

Beautiful Lyrics

data structures, greedy, strings

A Story of One Country (Hard)

brute force, greedy, sortings

Split a Number

greedy, implementation, strings

Chunga-Changa

greedy, math

Nick and Array

greedy, implementation

Serge and Dining Room

binary search, data structures, graph matchings, greedy, implementation, math, trees

Archaeology

brute force, constructive algorithms, greedy, strings

Prime Graph

constructive algorithms, greedy, math, number theory

Tiles

combinatorics, greedy, math

Prime Minister

greedy

Recover it!

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

Lose it!

dp, greedy, implementation

Divide it!

brute force, greedy, implementation

Minimal Segment Cover

data structures, dfs and similar, divide and conquer, dp, greedy, implementation, trees

Array Splitting

greedy, sortings

Electrification

binary search, brute force, greedy

Ehab Fails to Be Thanos

constructive algorithms, greedy, sortings

Nauuo and Chess

constructive algorithms, greedy

Nauuo and Votes

greedy

Nauuo and Cards

greedy, implementation

Wheels

*special problem, binary search, greedy

Increasing by Modulo

binary search, greedy

Bicolored RBS

constructive algorithms, greedy

Telephone Number

brute force, greedy, strings

Cute Sequences

binary search, brute force, greedy, math

Silent Classroom

combinatorics, greedy

Microtransactions (hard version)

binary search, greedy, implementation

Microtransactions (easy version)

binary search, greedy

Two Arrays and Sum of Functions

greedy, math, sortings

Good String

greedy

Polycarp Training

data structures, greedy, sortings

Eating Soup

greedy, math

Double Matrix

brute force, greedy

Winding polygonal line

constructive algorithms, geometry, greedy, math

Permutation recovery

constructive algorithms, data structures, dfs and similar, graphs, greedy, math, sortings

The Party and Sweets

binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers

Maximum Balanced Circle

constructive algorithms, dp, greedy, two pointers

Minimum Array

binary search, data structures, greedy

N Problems During K Days

constructive algorithms, greedy, math

Increasing Subsequence (hard version)

greedy

Increasing Subsequence (easy version)

greedy

Long Number

greedy

Optimizer

graphs, greedy, hashing, implementation

Match Points

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

Ugly Pairs

dfs and similar, greedy, implementation, sortings, strings

Beautiful Array

brute force, data structures, divide and conquer, dp, greedy

Game with Telephone Numbers

games, greedy, implementation

Minimum Possible LCM

brute force, greedy, math, number theory

Shovels Shop

dp, greedy, sortings

Walking Robot

greedy

Serval and Rooted Tree

binary search, dfs and similar, dp, greedy, trees

Serval and Parenthesis Sequence

greedy, strings

Serval and Toy Bricks

constructive algorithms, greedy

Neko and Aki's Prank

dp, greedy, trees

Neko Finds Grapes

greedy, implementation, math

Stas and the Queue at the Buffet

greedy, math, sortings

Tiling Challenge

greedy, implementation

Stock Arbitraging

greedy, implementation

Abandoning Roads

brute force, dp, graphs, greedy

Prefix Sum Primes

constructive algorithms, greedy, math, number theory

Earth Wind and Fire

constructive algorithms, greedy, math, sortings, two pointers

Dirty Deeds Done Dirt Cheap

greedy, sortings

Another One Bites The Dust

greedy

Two Merged Sequences

dp, greedy

Equalize Them All

constructive algorithms, greedy

Parity Alternated Deletions

greedy, implementation, sortings

Privatization of Roads in Treeland

binary search, constructive algorithms, dfs and similar, graphs, greedy, trees

Same Sum Blocks (Hard)

data structures, greedy

Same Sum Blocks (Easy)

greedy