Προβλήματα

Guests from Tau Ceti#4303

Πολύ δύσκολο · Geometry · Sorting

Communication with the organizers#4304

Πολύ δύσκολο · Brute force · Strings

Opening Ceremony#4305

Εύκολο · Greedy algorithms

Sets#4306

Εύκολο · Dynamic programming · Math · Combinatorics

Rain#4307

Δύσκολο · Greedy algorithms · Binary Search · Sorting

Credit card#4308

Εύκολο · Number theory

Log Analysis#4309

Πολύ εύκολο · Implementation · String suffix structures

Memory Manager#4310

Μέτριο · Implementation · Data Structures

Necklaces#4311

Εύκολο · Implementation · Data Structures

Persistent Queue#4312

Εύκολο · Data Structures · Implementation

Persistent stack#4313

Πολύ εύκολο · Data Structures · Implementation

2D Flip#4314

Πολύ εύκολο · Implementation

AVL#4315

Εύκολο · Dynamic programming · Fast Fourier transform

Simple Complexities#4316

Μέτριο · Number theory

A Task for a Second Grader#4317

Μέτριο · Implementation

Discrete Logarithm#4318

Εύκολο · Number theory · Math

A Task for a Sixth Grader#4319

Πολύ δύσκολο · Number theory

Teams#4320

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

Three Circles#4321

Πολύ δύσκολο · Geometry

Busy Bees#4322

Πολύ δύσκολο · Graphs · Shortest paths

Ring#4323

Πολύ δύσκολο · Dynamic programming

Coup#4324

Πολύ εύκολο · Segment Tree

Tree#4325

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

Bridges: The Final Battle#4326

Πολύ δύσκολο · Dynamic programming · Graphs

Party#4327

Πολύ δύσκολο · Graphs · Depth-first Search · Breadth-first Search · Greedy algorithms · Constructive Algorithms

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