Gas Pipeline

dp, greedy

There Are Two Types Of Burgers

brute force, greedy, implementation, math

Kirk and a Binary String (hard version)

data structures, greedy, math, strings

Kirk and a Binary String (easy version)

brute force, greedy, strings

Anna, Svyatoslav and Maps

dp, graphs, greedy, shortest paths

Mislove Has Lost an Array

greedy, math

Almost Equal

constructive algorithms, 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

Block Adventure

dp, greedy

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

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

Archaeology

brute force, constructive algorithms, greedy, strings

Prime Graph

constructive algorithms, greedy, math, number theory

Tiles

combinatorics, greedy, math

Prime Minister

greedy

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

Candy Box (hard version)

greedy, implementation, sortings

Candy Box (easy version)

greedy, sortings

Nick and Array

greedy, implementation

Serge and Dining Room

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

Exam in BerSU (hard version)

brute force, data structures, greedy, math

Exam in BerSU (easy version)

greedy, sortings

A Story of One Country (Hard)

brute force, greedy, sortings

Split a Number

greedy, implementation, strings

Chunga-Changa

greedy, math

Beautiful Lyrics

data structures, greedy, strings

Recover it!

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

Lose it!

dp, greedy, implementation

Divide it!

brute force, greedy, implementation

Nauuo and Chess

constructive algorithms, greedy

Nauuo and Votes

greedy

Nauuo and Cards

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

Earth Wind and Fire

constructive algorithms, greedy, math, sortings, two pointers

Dirty Deeds Done Dirt Cheap

greedy, sortings

Another One Bites The Dust

greedy

Wheels

*special problem, binary search, greedy

Increasing by Modulo

binary search, greedy

Cute Sequences

binary search, brute force, greedy, math

Silent Classroom

combinatorics, greedy

Bicolored RBS

constructive algorithms, greedy

Telephone Number

brute force, greedy, strings

Microtransactions (easy version)

binary search, greedy

Microtransactions (hard version)

binary search, greedy, implementation

Two Arrays and Sum of Functions

greedy, math, sortings

Good String

greedy

Polycarp Training

data structures, greedy, sortings

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

Eating Soup

greedy, math

Double Matrix

brute force, 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

Tiling Challenge

greedy, implementation

Stock Arbitraging

greedy, implementation

Abandoning Roads

brute force, dp, graphs, greedy

Prefix Sum Primes

constructive algorithms, greedy, math, number theory

Increasing Subsequence (easy version)

greedy

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

Long Number

greedy

Neko and Aki's Prank

dp, greedy, trees

Neko Finds Grapes

greedy, implementation, math

Beautiful Array

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

Game with Telephone Numbers

games, greedy, implementation

Stas and the Queue at the Buffet

greedy, math, sortings

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

Pavel and Triangles

brute force, dp, fft, greedy, ternary search