Maximum And Queries (hard version)

bitmasks, divide and conquer, dp, greedy

Discarding Game

dp, greedy, two pointers

Chicken or Fish?

greedy

Optimal Sum

data structures, greedy

Award Ceremony

greedy, implementation

Name

greedy, strings

Traveling in Berland

binary search, data structures, graphs, greedy, implementation

Two Centroids

data structures, dfs and similar, greedy, trees

Colored Subgraphs

dfs and similar, dp, games, greedy, trees

Spiders Evil Plan

greedy, trees

Trails and Glades

constructive algorithms, dsu, graphs, greedy

Pumping Stations

brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees

Tanks

dp, greedy, implementation

Even Split

binary search, constructive algorithms, greedy, math

Middle-Out

constructive algorithms, greedy, strings

Running Over The Bridges

greedy, implementation, math

Round Marriage

binary search, graph matchings, greedy

Levko and Game

graphs, greedy, shortest paths

Edo and Magnets

brute force, greedy, implementation, two pointers

Mashmokh and Water Tanks

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

Tricky and Clever Password

binary search, constructive algorithms, data structures, greedy, hashing, strings

Castle

dp, greedy, probabilities, sortings, trees

Abandoning Roads

brute force, dp, graphs, greedy

Alice and Recoloring 2

constructive algorithms, flows, graph matchings, greedy

Winding polygonal line

constructive algorithms, geometry, greedy, math

Square Tiling

constructive algorithms, greedy

C*++ Calculations

expression parsing, greedy

XOR Partition

binary search, bitmasks, data structures, divide and conquer, greedy, trees

Michael and Charging Stations

binary search, dp, greedy

Nene vs. Monsters (Hard Version)

brute force, greedy, implementation, math

Bracket Xoring

constructive algorithms, greedy, implementation, math

Nastia and a Beautiful Matrix

binary search, constructive algorithms, dp, greedy

Inversion Composition

constructive algorithms, data structures, greedy

Too Much Money

brute force, greedy

Spinach Pizza

games, geometry, greedy, interactive

Rearrange

brute force, constructive algorithms, graphs, greedy, sortings

Swap and Take

dp, greedy

Scooter

graphs, greedy

Weights

constructive algorithms, greedy, two pointers

Polycarp's Picture Gallery

constructive algorithms, greedy

Summer Dichotomy

2-sat, data structures, dfs and similar, greedy

Summer Practice Report

dp, greedy

Walking!

constructive algorithms, greedy

Refactoring

greedy, implementation, strings

Divisibility

constructive algorithms, dp, greedy, number theory

Have You Ever Heard About the Word?

greedy, hashing, string suffix structures, strings

Maximum Control (medium)

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

FreeDiv

dfs and similar, graphs, greedy

CNF 2

constructive algorithms, dfs and similar, graphs, greedy

Broken Monitor

brute force, constructive algorithms, greedy, implementation

Lucky Numbers (Hard Version)

dp, greedy

Robot and Candies

data structures, graph matchings, greedy

Constants in the language of Shakespeare

constructive algorithms, dp, greedy

Team Arrangement

constructive algorithms, greedy, implementation

Security Guard

*special problem, greedy

Compute Power

binary search, dp, greedy

Brackets

combinatorics, dp, greedy

Clockwork Bomb

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

Trial for Chief

graphs, greedy, shortest paths

Bipartite Array

dp, greedy

Spring Cleaning

*special problem, greedy, sortings

Divisor Set

divide and conquer, fft, greedy, math, number theory

The Light Square

2-sat, dfs and similar, greedy

Armor and Weapons

brute force, dp, greedy, shortest paths

Bear and Paradox

binary search, greedy, math, sortings

Antichain

dp, graph matchings, greedy

Maze 1D

binary search, greedy, implementation

Competition

data structures, greedy

Unordered Swaps

constructive algorithms, dfs and similar, graphs, greedy, math, sortings, trees

Renovation

constructive algorithms, greedy, sortings

Merging Two Decks

constructive algorithms, greedy

Triminoes

constructive algorithms, greedy

Teleporters

binary search, greedy

Not Splitting

geometry, graphs, greedy, implementation, shortest paths

Black, White and Grey Tree

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

Lucky Numbers (Easy Version)

dp, greedy

T-decomposition

dfs and similar, graphs, greedy, trees

Ilya and Two Numbers

constructive algorithms, data structures, dsu, greedy

RBS Deletion

*special problem, greedy

Three Swaps

constructive algorithms, dfs and similar, greedy

New York Hotel

greedy, math

Strange Instructions

data structures, greedy, implementation

Mathematical Expression

constructive algorithms, dp, greedy

Ciel and Flipboard

dp, greedy, math

Director

constructive algorithms, greedy

To Make 1

bitmasks, constructive algorithms, dp, greedy, number theory

And Yet Another Bracket Sequence

data structures, greedy, hashing, string suffix structures, strings

The Next Good String

data structures, greedy, hashing, strings

Choosing Two Paths

dfs and similar, dp, greedy, trees

Serval and Brain Power

bitmasks, brute force, dp, greedy, implementation, strings

Raffles

data structures, dp, greedy, math

Falling Sand (Hard Version)

dfs and similar, dp, graphs, greedy

Dominoes

constructive algorithms, greedy

Perun, Ult!

brute force, greedy, sortings

Wardrobe

dp, greedy

Tests Renumeration

greedy, implementation

Hamming Distance

constructive algorithms, greedy, math, matrices

Mice

greedy, two pointers

Sum of Matchings

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

Train Car Selection

data structures, greedy