Задачи

Hide and seek#6588

Многу тешко · Geometry

Inverting Huffman#6589

Многу лесно · Dynamic programming · Greedy algorithms

Join two kingdoms#6590

Лесно · Graphs

Arithmetic with Morse#6591

Средно · Implementation

Beautiful Wonderburg#6592

Многу лесно · Implementation

Hot Dogs#6593

Лесно · Implementation

Tornado!#6594

Средно · Greedy algorithms

Arranging Heaps#6595

Многу тешко · Dynamic programming · Dynamic Programming Optimization · Divide and Conquer · Prefix Sums

Boxes and Stones#6596

Тешко · Dynamic programming · Games · Combinatorics

Cellphone Typing#6597

Тешко · Dynamic programming

Different Digits#6598

Многу лесно · Brute force · Implementation

Environment Protection#6599

Тешко · Math · Geometry

Fix the Pond#6600

Многу лесно · Graphs · Implementation

Game of Tiles#6601

Лесно · Graphs

Hours and Minutes#6602

Лесно · Brute force · Math

Interval Product#6603

Средно · Segment Tree · Range queries

Joining Couples#6604

Многу тешко · Graphs · Depth-first Search · Trees · Sparse Table · Range queries · Data Structures

Drop Zone#6605

Средно · Graphs

Effective Infection Time#6606

Лесно · Implementation · Math

Outpost Navigation#6607

Лесно · Graphs

Multikill#6608

Лесно · Geometry · Brute force

Virology#6609

Лесно · Implementation

Worst Case Scenario#6610

Средно · Breadth-first Search · Graphs

Zombie Invasion#6611

Лесно · Implementation

Zombdar#6612

Средно · Strings

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