Concise and clear

brute force, greedy, implementation, math

Binary Key

dp, greedy, implementation

Remove and Add

*special problem, greedy

Divide Powers

constructive algorithms, greedy

Minimize Inversions Number

data structures, greedy, math, sortings

Boring Card Game

data structures, greedy, trees

Luck is in Numbers

greedy

Johnny and James

greedy, implementation, math, trees

N Machines

binary search, brute force, greedy

Prime Divisors Selection

binary search, greedy, math, number theory

Problemsolving Marathon

*special problem, binary search, greedy

Shrink-Reverse

binary search, brute force, greedy, hashing, implementation, string suffix structures, strings

Survival of the Weakest (hard version)

greedy, math, sortings, two pointers

Fix the String

*special problem, bitmasks, dp, greedy

DIY Tree

graphs, greedy, math, probabilities

The Thorny Path

greedy, math

World of Tank

dp, greedy

Berland Army

constructive algorithms, graphs, greedy

Frog Fights

data structures, greedy

Four Vertices

constructive algorithms, data structures, graphs, greedy, implementation, shortest paths

Breadboard Capacity (easy version)

dp, flows, greedy

Rin and The Unknown Flower

constructive algorithms, greedy, interactive, math

GCD Master (easy version)

greedy, math, number theory, sortings

MEX Game 2 (Easy Version)

binary search, brute force, greedy

Table

*special problem, greedy, implementation, math

Teamwork

constructive algorithms, greedy, math

Gregor and the Two Painters

data structures, divide and conquer, graphs, greedy, math

Forward, march!

binary search, dp, greedy

Parmigiana With Seafood

binary search, dp, greedy, trees

Berland Local Positioning System

constructive algorithms, greedy, hashing, implementation

Дефрагментация памяти

constructive algorithms, greedy, implementation

Metro Scheme

graphs, greedy

Shoe Store

dp, graph matchings, greedy, sortings, two pointers

Fafa and Array

data structures, greedy

Berland Miners

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

Road Repairs

dfs and similar, graphs, greedy

Rainbow Triples

binary search, data structures, flows, greedy

Computer Game

dp, greedy, math, probabilities

Snowy Mountain

data structures, dfs and similar, graphs, greedy, shortest paths, trees

Bus Routes

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

Ones

dp, greedy, shortest paths

Distinctification

data structures, dsu, greedy

A Stroll Around the Matrix

data structures, greedy, math

Showing Off

flows, graph matchings, greedy, implementation

Anti-Increasing Addicts

constructive algorithms, dp, greedy, math

Min Cost Permutation (Hard Version)

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

AmShZ Wins a Bet

data structures, greedy, hashing

Tournament Construction

constructive algorithms, dp, graphs, greedy, math

Outermost Maximums

data structures, greedy

Property

greedy, sortings

Madoka and Laziness

dp, greedy

Game Bundles

brute force, constructive algorithms, dp, greedy, math

Andrey's Tree

binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees

Fishermen

flows, graph matchings, greedy

Playing Around the Table

constructive algorithms, greedy, implementation

Adilbek and the Watering System

data structures, greedy, sortings

T-shirt

dp, greedy, probabilities

Two progressions

constructive algorithms, greedy

The Final Pursuit

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

Squid Game

data structures, dfs and similar, greedy, trees

Dream Team

*special problem, greedy

Organizing a Race

data structures, greedy

Qingshan and Daniel

brute force, data structures, greedy, implementation

Most Different Tree

brute force, constructive algorithms, dfs and similar, greedy, hashing

Bitwise Paradox

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

Group Division

constructive algorithms, dfs and similar, graphs, greedy

Tetris revisited

constructive algorithms, graph matchings, greedy, math

Track

graphs, greedy, shortest paths

Once in a casino

constructive algorithms, greedy, implementation, math

King's Problem?

geometry, greedy

Dominoes

combinatorics, flows, graph matchings, greedy

String and Operations

dp, greedy

Employment

greedy, sortings

Miriany and Matchstick

constructive algorithms, dp, greedy

Candies Game

constructive algorithms, greedy

Down Below

binary search, dfs and similar, graphs, greedy, meet-in-the-middle, shortest paths

Tasty Cookie

binary search, constructive algorithms, greedy, implementation

Optimizer

data structures, greedy, sortings

Broken Tree

dfs and similar, dp, graphs, greedy, trees

Bear and Rectangle Strips

dp, greedy

Печать условий

constructive algorithms, greedy, sortings

Gastronomic Event

dp, greedy, trees

Is It Rated?

greedy, interactive, math, probabilities

Used Markers

*special problem, greedy

The Majestic Brown Tree Snake

dfs and similar, dp, greedy, trees, two pointers

Huffman Coding on Segment

data structures, greedy

AB Tree

dp, greedy, trees

Game On Tree

data structures, dfs and similar, greedy, trees

Birthday

constructive algorithms, greedy, math

Buy One, Get One Free

dp, greedy

Egor and an RPG game

constructive algorithms, greedy

Swaps

constructive algorithms, graphs, greedy

Ever-Hungry Krakozyabra

brute force, combinatorics, greedy, math

Phys Ed Online

data structures, dp, greedy

Bridge Club

flows, graph matchings, graphs, greedy

Erasing Substrings

bitmasks, dp, greedy

Birthday

greedy, math, probabilities

Berkomnadzor

data structures, greedy

Sweets for Everyone!

binary search, greedy, implementation

Constructing the Dungeon

*special problem, graphs, greedy