المسائل
The task about the magical hustle#5459
سهل جدًا · Implementation
Matches#5460
صعب جدًا · Brute force · Geometry
Set#5461
متوسط · Brute force
Tariff "LKS.SMS"#5462
سهل · Graphs
Cinema tickets#5463
متوسط · Dynamic programming · Bitsets
Republics#5464
صعب · Trees · Greedy algorithms · Depth-first Search · Graphs
Double substring#5465
متوسط · Hashing · Prefix Sums
Starry lines#5466
سهل جدًا · Dynamic programming
Odd Cut#5467
صعب جدًا · Graph network flows · Graphs
Minimum Cut Matrix#5468
صعب جدًا · Graphs · Matrix
Inverse matrix#5469
صعب جدًا · Matrix
Space Expedition#5470
سهل جدًا · Graphs · Data Structures
Graph 1, 1/2, 1/3, 1/4#5471
متوسط · Dijkstra algorithm · Shortest paths
RMQ#5472
سهل · Range queries
Hellishly Fast Common Subsequence#5473
صعب · Dynamic programming
Mumatrix#5474
متوسط · Implementation · Bitmasks
Neighbors#5475
صعب · Sorting · Prefix Sums · Greedy algorithms
Town#5476
صعب جدًا · Graphs
Hairdresser#5477
صعب جدًا · Brute force
Convex hull#5478
صعب · Geometry · Convex Hull
Homework#5479
صعب جدًا · Greedy algorithms · Dynamic programming
Rooks#5481
صعب جدًا · Graphs
Brackets#5482
صعب · Combinatorics
Photo#5483
سهل جدًا · Math
The Problem of the Gym Teacher#5484
متوسط · Dynamic programming