Color Stripe

brute force, dp, greedy

Feed the cat

greedy, math

Ramesses and Corner Inversion

constructive algorithms, greedy, implementation, math

Office Keys

binary search, brute force, dp, greedy, sortings

Sereja and Stairs

greedy, implementation, sortings

Minimum Value Rectangle

greedy

Okabe and Boxes

data structures, greedy, trees

Bear and Different Names

constructive algorithms, greedy

Alex's whims

constructive algorithms, graphs, greedy, shortest paths, trees

Platforms Jumping

greedy

Electrification

binary search, brute force, greedy

Chopping Carrots (Easy Version)

binary search, brute force, constructive algorithms, greedy, number theory

The Treasure of The Segments

binary search, data structures, greedy

Beautiful Array

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

Group of Students

brute force, greedy, implementation

Lucky Permutation

constructive algorithms, dfs and similar, graphs, greedy

Remove the Bracket

dp, greedy, math

Doremy's Connecting Plan

constructive algorithms, greedy, math, sortings

Painting the Array I

constructive algorithms, data structures, dp, greedy, implementation

Pasha Maximizes

greedy

Order Book

data structures, greedy, implementation, sortings

Walking Boy

greedy

K-periodic Garland

brute force, dp, greedy

Ciel the Commander

constructive algorithms, dfs and similar, divide and conquer, greedy, trees

Smallest Word

constructive algorithms, greedy, implementation

Socks

dfs and similar, dsu, graphs, greedy

Lakes in Berland

dfs and similar, dsu, graphs, greedy, implementation

Fox and Cross

greedy, implementation

Fill The Bag

bitmasks, greedy

Bicolored RBS

constructive algorithms, greedy

Deletive Editing

greedy

The Party and Sweets

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

Binary Search

binary search, constructive algorithms, greedy

Playing Cubes

games, greedy, implementation

Zookeeper and The Infinite Zoo

bitmasks, constructive algorithms, dp, greedy, math

Shichikuji and Power Grid

dsu, graphs, greedy, shortest paths, trees

Permute Digits

dp, greedy

Social Network

dsu, graphs, greedy, implementation, trees

Long Inversions

brute force, greedy, implementation, sortings

Escape The Maze (easy version)

dfs and similar, greedy, shortest paths, trees, two pointers

Valera and Fruits

greedy, implementation

Inventory

greedy, math

Leha and Function

combinatorics, greedy, math, number theory, sortings

Lucky Conversion

greedy, implementation

Matrix and Shifts

brute force, constructive algorithms, greedy, implementation

Minimum Euler Cycle

constructive algorithms, graphs, greedy, implementation

Bishwock

dp, greedy

Shashlik Cooking

dp, greedy, math

Look Back

bitmasks, greedy

Suit and Tie

greedy, implementation, math

Increasing Subsequences

bitmasks, constructive algorithms, divide and conquer, greedy, math

Code obfuscation

greedy, implementation, strings

Remove the Substring (hard version)

binary search, greedy, implementation, two pointers

Equal Frequencies

brute force, constructive algorithms, greedy, implementation, sortings, strings

Gambling

data structures, dp, greedy, math

Sorting Railway Cars

constructive algorithms, greedy

Messenger in MAC

binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings

String Coloring (easy version)

constructive algorithms, dp, graphs, greedy, sortings

Standard Free2play

dp, greedy, math

Love Rescue

dfs and similar, dsu, graphs, greedy, strings

Exam in BerSU (hard version)

brute force, data structures, greedy, math

Prime Graph

constructive algorithms, greedy, math, number theory

Yet Another Monster Killing Problem

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

Li Hua and Chess

constructive algorithms, greedy, interactive

Views Matter

greedy, implementation, sortings

Rock, Paper, Scissors

brute force, constructive algorithms, flows, greedy, math

Paint the Digits

constructive algorithms, greedy, implementation

New Year's Problem

binary search, greedy, sortings

Insert a Progression

brute force, constructive algorithms, greedy

Serval and Parenthesis Sequence

greedy, strings

Heap Operations

constructive algorithms, data structures, greedy

Problem with Random Tests

brute force, dp, greedy, probabilities

Maximal Intersection

greedy, math, sortings

Ranom Numbers

brute force, dp, greedy, math, strings

Rating System

binary search, brute force, data structures, dp, dsu, greedy, math, two pointers

Intercepted Message

greedy, implementation

New Reform

data structures, dfs and similar, dsu, graphs, greedy

Megacity

binary search, greedy, implementation, sortings

Dr. Evil Underscores

bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, trees

Tennis Championship

combinatorics, constructive algorithms, greedy, math

Yet Another Minimization Problem

dp, greedy, math

Duff and Weight Lifting

greedy

Minimize the error

data structures, greedy, sortings

A/B Matrix

constructive algorithms, greedy, math

0, 1, 2, Tree!

bitmasks, brute force, greedy, implementation, trees

Same Count One

brute force, constructive algorithms, greedy, implementation, two pointers

Vova and Trophies

greedy

Christmas Trees

graphs, greedy, shortest paths

Replacement

greedy, implementation, sortings

And

greedy

The Third Letter

dfs and similar, dsu, graphs, greedy, implementation

Boris and His Amazing Haircut

constructive algorithms, data structures, dp, dsu, greedy, sortings

USB vs. PS/2

greedy, implementation, sortings, two pointers

Coins and Queries

greedy

Permutation Counting

binary search, greedy, implementation, math, sortings

GCD Table

constructive algorithms, greedy, number theory

Alternative Thinking

dp, greedy, math

Towers

brute force, constructive algorithms, greedy, implementation, sortings

Reverse Madness

data structures, greedy

Kayaking

brute force, greedy, sortings