Problemi

The third one is extra#5280

Difficile · Games · Greedy algorithms

Wire ornament#5281

Molto facile · Geometry

Saddle points#5282

Molto facile · Implementation · String suffix structures

Thaw#5283

Molto facile · Implementation · Prefix Sums

And again the sum... (Easy)#5284

Molto facile · Data Structures · Segment Tree

Caves and Tunnels#5285

Molto difficile · Graphs

Spell#5286

Molto difficile · Strings

The cyclic suffixes (Easy)#5287

Molto facile · Suffix Array · String suffix structures

Common Substring (Easy)#5288

Facile · Strings · Sorting · Brute force

Nenokku (Easy)#5289

Molto facile · Strings · Implementation

Substring (Easy)#5290

Molto facile · Brute force · Strings

Present your documents!#5291

Facile · Binary Search · Sorting

Fourth floor#5292

Facile · Data Structures · Binary Search

Cartesian tree#5293

Facile · Binary Search · Implementation

Sums without a module#5294

Molto facile · Prefix Sums · Segment Tree

Number in the bracket sequence#5295

Facile · Dynamic programming

Restoration of an HTML file#5297

Facile · Implementation

Cow barns#5298

Difficile · Graphs

Covering with paths#5299

Facile · Graphs

Magic Square#5300

Media · Brute force

Array#5301

Molto facile · Data Structures · Implementation

Cyclic Shifts#5302

Media · Strings

Twelves#5303

Difficile · Breadth-first Search · Depth-first Search

Permutations#5304

Media · Greedy algorithms

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