Weights Distributing

brute force, graphs, greedy, shortest paths, sortings

Too Many Segments (easy version)

greedy

Minimizing Difference

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

Quiz

binary search, greedy, math, matrices, number theory

GameGame

bitmasks, constructive algorithms, dp, games, greedy, math

Black Cells

binary search, brute force, greedy, math

Buy Low Sell High

constructive algorithms, data structures, greedy

Restorer Distance

binary search, greedy, math, sortings, ternary search

Long Jumps

binary search, greedy, implementation

Nauuo and Cards

greedy, implementation

Checkpoints

greedy, implementation, sortings

For Gamers. By Gamers.

binary search, brute force, greedy, math, sortings

Absolute Beauty

greedy, math

Binary Number

greedy

Keep the Average High

dp, greedy, math

Obtain a Permutation

greedy, implementation, math

Dress'em in Vests!

binary search, brute force, greedy, two pointers

Restore Permutation

binary search, data structures, greedy, implementation

Clique Problem

data structures, dp, greedy, implementation, sortings

One-Dimensional Battle Ships

binary search, data structures, greedy, sortings

Easy Assembly

greedy, sortings

Restaurant

dp, greedy, sortings

Array Product

constructive algorithms, greedy, math

Petya and Inequiations

greedy

Berserk And Fireball

constructive algorithms, greedy, implementation, math, two pointers

Bertown Subway

dfs and similar, greedy, math

Binary Subsequence Rotation

binary search, constructive algorithms, data structures, greedy

School Marks

greedy, implementation

Purification

constructive algorithms, greedy

Omkar and Medians

data structures, greedy, implementation

Hacker, pack your bags!

binary search, greedy, implementation, sortings

Buying Jewels

constructive algorithms, greedy, math

Elections

brute force, greedy

Progressions Covering

data structures, greedy

Nuts

greedy, math

Polycarp at the Radio

greedy

Cableway

greedy, math

Too Easy Problems

binary search, brute force, data structures, greedy, sortings

Pokémon Army (hard version)

data structures, divide and conquer, dp, greedy, implementation

Squares and not squares

constructive algorithms, greedy

Om Nom and Dark Park

dfs and similar, greedy, implementation

Hierarchy

dfs and similar, dsu, greedy, shortest paths

New Year Concert

binary search, data structures, greedy, math, number theory, two pointers

K-beautiful Strings

binary search, brute force, constructive algorithms, greedy, strings

Teleporters (Hard Version)

binary search, greedy, sortings

Great Vova Wall (Version 1)

greedy, implementation, math

Vasya and Public Transport

greedy, implementation

Paths on the Tree

dfs and similar, dp, greedy, sortings, trees

Accommodation

brute force, dp, greedy, implementation

Anya and Ghosts

constructive algorithms, greedy

Send Boxes to Alice (Easy Version)

constructive algorithms, greedy, math, number theory, ternary search, two pointers

Number Reduction

greedy

Array and Segments (Easy version)

brute force, greedy, implementation

Expression Evaluation Error

constructive algorithms, greedy, implementation, math

Bouncing Boomerangs

constructive algorithms, greedy, implementation

AB Graph

brute force, constructive algorithms, graphs, greedy, implementation

Numbers on Tree

constructive algorithms, data structures, dfs and similar, graphs, greedy, trees

Beautiful Lyrics

data structures, greedy, strings

Sereja and Contests

greedy, implementation, math

Paths and Trees

graphs, greedy, shortest paths

Cheap Dinner

brute force, data structures, graphs, greedy, implementation, sortings, two pointers

Gift Set

binary search, greedy, math, ternary search

Thematic Contests

greedy, sortings

Shaass and Bookshelf

dp, greedy

Multi-judge Solving

greedy, implementation

The Strongest Build

binary search, brute force, data structures, dfs and similar, graphs, greedy, hashing, implementation

Treasure Hunt

greedy

Survey in Class

brute force, data structures, greedy, implementation, sortings

Shift and Reverse

greedy, sortings

Robot Collisions

data structures, greedy, implementation, sortings

Dreamoon and Sets

constructive algorithms, greedy, math

Mahmoud and a Message

brute force, dp, greedy, strings

Poster

greedy, implementation

Identify the Operations

combinatorics, data structures, dsu, greedy, implementation

Block Towers

brute force, greedy, math, number theory

Empty Graph

binary search, constructive algorithms, data structures, greedy, shortest paths

Madoka and The Corruption Scheme

combinatorics, constructive algorithms, greedy, math

Pairs

binary search, constructive algorithms, greedy, two pointers

Robot Vacuum Cleaner

greedy, sortings

Optimal Subsequences (Hard Version)

data structures, greedy

Restore the Permutation

binary search, constructive algorithms, data structures, greedy, math

Lorry

greedy, sortings

New Year Snowmen

binary search, data structures, greedy

Petya's Exams

greedy, implementation, sortings

Nearest Beautiful Number (hard version)

bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy

Divide by Three

dp, greedy, math, number theory

XOR Inverse

bitmasks, data structures, divide and conquer, dp, greedy, math, sortings, strings, trees

Perfect Security

data structures, greedy, strings, trees

Equalize the Remainders

data structures, greedy, implementation

Lucky Tickets

greedy

Imbalanced Arrays

constructive algorithms, graphs, greedy, math, sortings, two pointers

Balanced Removals (Harder)

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

Pairs of Segments

data structures, greedy, sortings, two pointers

The Contest

data structures, dp, greedy

Archaeology

brute force, constructive algorithms, greedy, strings

Recycling Bottles

dp, geometry, greedy, implementation

Petya and Exam

greedy, sortings, two pointers

Sysadmin Bob

greedy, implementation, strings

Hanging Hearts

constructive algorithms, data structures, dfs and similar, dp, greedy, trees

Maximize the Remaining String

brute force, data structures, dp, greedy, strings