Problemi

FRIENDLY NUMBERS#7461

Media · Math · Number theory

Superprime numbers.#7462

Media · Number theory

Maximum Depth of Binary Tree#7463

Facile · Trees · Depth-first Search

Minimum Depth of Binary Tree#7464

Facile · Trees · Binary Search

Same Tree#7465

Molto facile · Binary Search

Symmetric Tree#7467

Molto facile · Binary Search · Trees

Reorder List#7468

Molto facile · Implementation

Divide and conquer#7469

Media · Divide and Conquer · Dynamic programming

Bank#7470

Difficile · Brute force

Shymbulak#7471

Difficile · Graphs · Dynamic programming

UFO#7472

Media · Implementation · Dynamic programming · Prefix Sums

K blocks#7473

Difficile · Dynamic programming

Marriage questions#7474

Media · Graphs · Greedy algorithms

Experiments with Gorlum#7475

Media · Geometry · Implementation

Riddicks Cube#7476

Media · Brute force · Implementation · Graphs

Schools#7477

Media · Greedy algorithms · Priority Queue

Special graph#7478

Difficile · Graphs · Data Structures · Queries

Crazy old lady#7479

Media · Brute force

Luxury burrow#7480

Facile · Dynamic programming · Binary Search · Brute force

Round words#7481

Molto difficile · Dynamic programming

Trading#7482

Molto facile · Prefix Sums · Segment Tree

New Year Train#7483

Molto facile · Sorting · Data Structures

Beautiful row#7484

Media · Dynamic programming

XOR#7485

Media · Bitmasks

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