المسائل

The third one is extra#5280

صعب · Games · Greedy algorithms

Wire ornament#5281

سهل جدًا · Geometry

Saddle points#5282

سهل جدًا · Implementation · String suffix structures

Thaw#5283

سهل جدًا · Implementation · Prefix Sums

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

سهل جدًا · Data Structures · Segment Tree

Caves and Tunnels#5285

صعب جدًا · Graphs

Spell#5286

صعب جدًا · Strings

The cyclic suffixes (Easy)#5287

سهل جدًا · Suffix Array · String suffix structures

Common Substring (Easy)#5288

سهل · Strings · Sorting · Brute force

Nenokku (Easy)#5289

سهل جدًا · Strings · Implementation

Substring (Easy)#5290

سهل جدًا · Brute force · Strings

Present your documents!#5291

سهل · Binary Search · Sorting

Fourth floor#5292

سهل · Data Structures · Binary Search

Cartesian tree#5293

سهل · Binary Search · Implementation

Sums without a module#5294

سهل جدًا · Prefix Sums · Segment Tree

Number in the bracket sequence#5295

سهل · Dynamic programming

Bracket sequence with 2 types of brackets#5296

متوسط · Dynamic programming

Restoration of an HTML file#5297

سهل · Implementation

Cow barns#5298

صعب · Graphs

Covering with paths#5299

سهل · Graphs

Magic Square#5300

متوسط · Brute force

Array#5301

سهل جدًا · Data Structures · Implementation

Cyclic Shifts#5302

متوسط · Strings

Twelves#5303

صعب · Breadth-first Search · Depth-first Search

Permutations#5304

متوسط · Greedy algorithms

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