Задачи

Guests from Tau Ceti#4303

Много трудно · Geometry · Sorting

Communication with the organizers#4304

Много трудно · Brute force · Strings

Opening Ceremony#4305

Лесно · Greedy algorithms

Sets#4306

Лесно · Dynamic programming · Math · Combinatorics

Rain#4307

Трудно · Greedy algorithms · Binary Search · Sorting

Credit card#4308

Лесно · Number theory

Log Analysis#4309

Много лесно · Implementation · String suffix structures

Memory Manager#4310

Средно · Implementation · Data Structures

Necklaces#4311

Лесно · Implementation · Data Structures

Persistent Queue#4312

Лесно · Data Structures · Implementation

Persistent stack#4313

Много лесно · Data Structures · Implementation

2D Flip#4314

Много лесно · Implementation

AVL#4315

Лесно · Dynamic programming · Fast Fourier transform

Simple Complexities#4316

Средно · Number theory

A Task for a Second Grader#4317

Средно · Implementation

Discrete Logarithm#4318

Лесно · Number theory · Math

A Task for a Sixth Grader#4319

Много трудно · Number theory

Teams#4320

Трудно · Graphs · Greedy algorithms · Constructive Algorithms · Graph matchings

Three Circles#4321

Много трудно · Geometry

Busy Bees#4322

Много трудно · Graphs · Shortest paths

Ring#4323

Много трудно · Dynamic programming

Coup#4324

Много лесно · Segment Tree

Tree#4325

Трудно · Prefix Sums · Data Structures · Trees · Depth-first Search

Bridges: The Final Battle#4326

Много трудно · Dynamic programming · Graphs

Party#4327

Много трудно · Graphs · Depth-first Search · Breadth-first Search · Greedy algorithms · Constructive Algorithms

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