Προβλήματα

Falling Multiset#12415

Πολύ δύσκολο · Dynamic programming · Fast Fourier transform · Combinatorics · Math

67 in 2026?#12418

Εύκολο · Brute force

Majestic Numbers#12419

Εύκολο · Math · Greedy algorithms

The End Dimension#12420

Δύσκολο · Breadth-first Search · Graphs · Shortest paths

Prefixmaxxing#12421

Δύσκολο · Greedy algorithms · Prefix Sums · Binary Search · Sorting

ILOVEPRODUCT#12422

Δύσκολο · Number theory · Greedy algorithms · Math

Coding Errors#12423

Μέτριο · Strings

Exam for the Night's Watch#12424

Δύσκολο · Constructive Algorithms · Greedy algorithms · Math

The Language of Westeros#12425

Πολύ δύσκολο · Greedy algorithms · Sorting · Prefix Sums · Combinatorics

World#12426

Πολύ δύσκολο · Number theory · Prime factorization · Sparse Table · Range queries · Greedy algorithms

Pitchers#12427

Πολύ δύσκολο · Number theory · Prefix Sums · Queries · Prime factorization · Data Structures

Perfect Square Pairs#12428

Μέτριο · Number theory

Area#12429

Πολύ εύκολο · For Beginners

Rufo's massive#12430

Εύκολο · Brute force · Sorting · Implementation

Koasar and PGCD#12431

Μέτριο · Math · Number theory

Nasser's Prime Slices#12432

Εύκολο · Brute force

Nasser's OR Removal#12433

Μέτριο · Binary Search · Bitwise Operations · Brute force

Triple#12434

Μέτριο · Number theory · Hashing · Combinatorics

Yes or No#12435

Εύκολο · Number theory · Math

Kaosar and Count ORz#12436

Εύκολο · Bitmasks · Number theory · Combinatorics

Kaosar and Minimization#12437

Μέτριο · Math · Binary Search · Brute force

Narfouz in the Center#12438

Δύσκολο · Trees · Depth-first Search · Graphs · Dynamic programming

Chopped Pairs#12439

Πολύ δύσκολο · Greedy algorithms · Data Structures · Segment Tree · Fenwick Tree · Sorting

Teto's Song#12445

Εύκολο · Bitmasks · Brute force

Miku's Snake Game#12446

Δύσκολο · Constructive Algorithms

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