Sum of Matchings

brute force, combinatorics, constructive algorithms, dfs and similar, graph matchings, greedy, math

Train Car Selection

data structures, greedy

Need For Brake

binary search, greedy, sortings

Family Photos

games, greedy

Sweets for Everyone!

binary search, greedy, implementation

Constructing the Dungeon

*special problem, graphs, greedy

Ice Cream

*special problem, greedy, sortings

Bridge Club

flows, graph matchings, graphs, greedy

Berkomnadzor

data structures, greedy

Erasing Substrings

bitmasks, dp, greedy

Birthday

greedy, math, probabilities

Egor and an RPG game

constructive algorithms, greedy

Phys Ed Online

data structures, dp, greedy

AB Tree

dp, greedy, trees

Ever-Hungry Krakozyabra

brute force, combinatorics, greedy, math

Buy One, Get One Free

dp, greedy

Swaps

constructive algorithms, graphs, greedy

Birthday

constructive algorithms, greedy, math

Game On Tree

data structures, dfs and similar, greedy, trees

Huffman Coding on Segment

data structures, greedy

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

Gastronomic Event

dp, greedy, trees

Broken Tree

dfs and similar, dp, graphs, greedy, trees

Bear and Rectangle Strips

dp, greedy

Печать условий

constructive algorithms, greedy, sortings

Optimizer

data structures, greedy, sortings

Tasty Cookie

binary search, constructive algorithms, greedy, implementation

Down Below

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

Miriany and Matchstick

constructive algorithms, dp, greedy

Candies Game

constructive algorithms, greedy

Dominoes

combinatorics, flows, graph matchings, greedy

Employment

greedy, sortings

Squid Game

data structures, dfs and similar, greedy, trees

Bitwise Paradox

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

String and Operations

dp, greedy

King's Problem?

geometry, greedy

Group Division

constructive algorithms, dfs and similar, graphs, greedy

Fishermen

flows, graph matchings, greedy

Qingshan and Daniel

brute force, data structures, greedy, implementation

Once in a casino

constructive algorithms, greedy, implementation, math

Playing Around the Table

constructive algorithms, greedy, implementation

Tetris revisited

constructive algorithms, graph matchings, greedy, math

Track

graphs, greedy, shortest paths

Most Different Tree

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

Andrey's Tree

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

Adilbek and the Watering System

data structures, greedy, sortings

Dream Team

*special problem, greedy

The Final Pursuit

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

Organizing a Race

data structures, greedy

T-shirt

dp, greedy, probabilities

Two progressions

constructive algorithms, greedy

Game Bundles

brute force, constructive algorithms, dp, greedy, math

Madoka and Laziness

dp, greedy

AmShZ Wins a Bet

data structures, greedy, hashing

Distinctification

data structures, dsu, greedy

Property

greedy, sortings

Showing Off

flows, graph matchings, greedy, implementation

Berland Miners

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

Outermost Maximums

data structures, greedy

Tournament Construction

constructive algorithms, dp, graphs, greedy, math

MEX Game 2 (Easy Version)

binary search, brute force, greedy

Min Cost Permutation (Hard Version)

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

Anti-Increasing Addicts

constructive algorithms, dp, greedy, math

Bus Routes

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

A Stroll Around the Matrix

data structures, greedy, math

Ones

dp, greedy, shortest paths

Snowy Mountain

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

Computer Game

dp, greedy, math, probabilities

Parmigiana With Seafood

binary search, dp, greedy, trees

Rainbow Triples

binary search, data structures, flows, greedy

Fafa and Array

data structures, greedy

Road Repairs

dfs and similar, graphs, greedy

Metro Scheme

graphs, greedy

Shoe Store

dp, graph matchings, greedy, sortings, two pointers

Forward, march!

binary search, dp, greedy

Дефрагментация памяти

constructive algorithms, greedy, implementation

Berland Local Positioning System

constructive algorithms, greedy, hashing, implementation

Teamwork

constructive algorithms, greedy, math

Gregor and the Two Painters

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

Berland Army

constructive algorithms, graphs, greedy

Shrink-Reverse

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

Table

*special problem, greedy, implementation, math

Problemsolving Marathon

*special problem, binary search, greedy

Breadboard Capacity (easy version)

dp, flows, greedy

GCD Master (easy version)

greedy, math, number theory, sortings

Survival of the Weakest (hard version)

greedy, math, sortings, two pointers

Four Vertices

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

Rin and The Unknown Flower

constructive algorithms, greedy, interactive, math

Fix the String

*special problem, bitmasks, dp, greedy

World of Tank

dp, greedy

DIY Tree

graphs, greedy, math, probabilities

Frog Fights

data structures, greedy

The Thorny Path

greedy, math

Prime Divisors Selection

binary search, greedy, math, number theory

Remove and Add

*special problem, greedy

N Machines

binary search, brute force, greedy

Mister B and Boring Game

games, greedy

Boring Card Game

data structures, greedy, trees