Προβλήματα
Ticket Counters#4429
Εύκολο · Implementation
Points and Line Segments#4430
Εύκολο · Binary Search
Combining Rectangles#4431
Πολύ εύκολο · Geometry · Scanline / Sweep Line
Tom Sawyer and His Friends#4432
Εύκολο · Prefix Sums · Implementation · Brute force · Scanline / Sweep Line
Verification of Valid Bracket Sequence#4433
Πολύ εύκολο · Stacks
Cipher#4434
Πολύ εύκολο · Stacks
Number of PDP#4435
Εύκολο · Dynamic programming
Lexicographic order#4436
Μέτριο · Combinatorics · Brute force
Remove the parentheses#4437
Πολύ εύκολο · Implementation
Mathematics and Brackets#4438
Εύκολο · Implementation
Exponentiation#4439
Πολύ εύκολο · Binary Search
Shallow sequences#4440
Πολύ εύκολο · Dynamic programming
Formation#4441
Εύκολο · Combinatorics
New Year's Garland#4442
Εύκολο · Implementation
Removing Brackets 2#4443
Πολύ εύκολο · Dynamic programming
Cost of the route#4444
Μέτριο · Dynamic programming
Peaceful Queens#4445
Πολύ εύκολο · Combinatorics
The King in the Corner#4446
Πολύ εύκολο · Games
Horses walk in turn#4447
Εύκολο · Graphs · Implementation
Tour Field#4448
Πολύ εύκολο · Implementation
Peaceful Queens - 2#4449
Μέτριο · Combinatorics
Dominant Queens#4450
Εύκολο · Brute force · Implementation
Game with Balls#4451
Εύκολο · Breadth-first Search · Graphs
Toy Maze#4452
Εύκολο · Graphs
Numbers#4453
Πολύ εύκολο · Graphs