Προβλήματα

Experimenter#5434

Δύσκολο · Dynamic programming

Diplomas#5435

Πολύ εύκολο · Dynamic programming · Combinatorics

Museum Tour Routes#5436

Εύκολο · Dynamic programming · Matrix

Fibonacci strings#5437

Μέτριο · Dynamic programming

Mushrooms#5438

Μέτριο · Dynamic programming · Graphs

Lyndon's Words#5439

Εύκολο · Strings · Combinatorics

Product of numbers#5440

Εύκολο · Matrix · Dynamic programming · Math · Dijkstra algorithm

Peaceful Sets#5441

Εύκολο · Dynamic programming

Magic Towers#5442

Εύκολο · Sorting

Period of the string#5443

Μέτριο · Z-function · Strings

Pairing#5444

Πολύ εύκολο · Graphs

Sociology#5445

Πολύ δύσκολο · Graphs

Circulation#5446

Πολύ εύκολο · Graphs · Graph network flows

Maximum flow of minimum cost#5447

Πολύ εύκολο · Graph network flows · Shortest paths

Subtract the substring#5448

Εύκολο · Brute force

Kitten's Task#5449

Πολύ εύκολο · Prefix Sums · Fenwick Tree

Inverse Inversion - 2#5450

Δύσκολο · String suffix structures · Sorting

Postage stamps#5451

Δύσκολο · Meet-in-the-middle · Binary Search · Sorting · Greedy algorithms

Artokhlam#5452

Εύκολο · Strings · Brute force

What? Where? When?#5453

Πολύ δύσκολο · Combinatorics

Greetings#5454

Μέτριο · Brute force

Paradox with Dice#5455

Πολύ εύκολο · Math · Greedy algorithms

Sneaky elephant calf#5456

Πολύ εύκολο · Brute force

Football#5457

Εύκολο · Geometry

Nervous individuals are advised not to read the terms.#5458

Μέτριο · Data Structures · Hashing

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