Probleme

Cave Paintings#10439

Foarte dificil · Disjoint set union · Dynamic programming · Graphs

Non-Decreasing Subsequences#10440

Foarte dificil · Dynamic programming · Matrix · Prefix Sums · Combinatorics · Queries

Falling Portals#10441

Foarte dificil · Convex Hull · Binary Search · Sorting · Geometry

Dron#10442

Foarte ușor · Implementation

Karabakh villages#10443

Foarte ușor · Sorting · Queries

Color matrix#10444

Mediu · Constructive Algorithms

Robots#10445

Mediu · Implementation · Prefix Sums

Which k-th are you?#10446

Dificil · Binary Search · Implementation

Kozak Vus and NSD#10447

Mediu · Segment Tree · Dynamic programming · Prefix Sums

Bandits in the Tree#10448

Foarte dificil · Graphs · Prefix Sums · Trees · Data Structures

Guess the permutation#10449

Mediu · Interactive · Binary Search

Numerical Graph#10450

Mediu · Binary Search · Graphs

Enemies and Sabers#10451

Ușor · Binary Search · Dynamic programming

The essay#10452

Foarte ușor · Implementation

Horse Racing#10453

Ușor · Greedy algorithms

Boxes#10454

Mediu · Greedy algorithms · String suffix structures

Linear network#10455

Foarte ușor · Implementation · Data Structures

Server#10456

Ușor · Graphs · Dijkstra algorithm · Shortest paths

New Sky#10457

Foarte dificil · Graphs · Brute force

Journey#10464

Foarte ușor · Math

Subsequence#10465

Mediu · Greedy algorithms · Strings

Black-and-white field#10466

Foarte ușor · Implementation

Schedule#10469

Ușor · Binary Search · Math

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