المسائل

Cave Paintings#10439

صعب جدًا · Disjoint set union · Dynamic programming · Graphs

Non-Decreasing Subsequences#10440

صعب جدًا · Dynamic programming · Matrix · Prefix Sums · Combinatorics · Queries

Falling Portals#10441

صعب جدًا · Convex Hull · Binary Search · Sorting · Geometry

Dron#10442

سهل جدًا · Implementation

Karabakh villages#10443

سهل جدًا · Sorting · Queries

Color matrix#10444

متوسط · Constructive Algorithms

Robots#10445

متوسط · Implementation · Prefix Sums

Which k-th are you?#10446

صعب · Binary Search · Implementation

Kozak Vus and NSD#10447

متوسط · Segment Tree · Dynamic programming · Prefix Sums

Bandits in the Tree#10448

صعب جدًا · Graphs · Prefix Sums · Trees · Data Structures

Guess the permutation#10449

متوسط · Interactive · Binary Search

Numerical Graph#10450

متوسط · Binary Search · Graphs

Enemies and Sabers#10451

سهل · Binary Search · Dynamic programming

The essay#10452

سهل جدًا · Implementation

Horse Racing#10453

سهل · Greedy algorithms

Boxes#10454

متوسط · Greedy algorithms · String suffix structures

Linear network#10455

سهل جدًا · Implementation · Data Structures

Server#10456

سهل · Graphs · Dijkstra algorithm · Shortest paths

New Sky#10457

صعب جدًا · Graphs · Brute force

Journey#10464

سهل جدًا · Math

Subsequence#10465

متوسط · Greedy algorithms · Strings

Black-and-white field#10466

سهل جدًا · Implementation

Schedule#10469

سهل · Binary Search · Math

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