Problèmes
Bibble and Captain Snappy#4486
Très facile · Trees
Winnie-the-Pooh#4487
Facile · Trees
Winnie-the-Pooh 2#4488
Facile · Trees
Karlsson-on-the-Roof#4489
Très facile · Trees
Well, just you wait!#4490
Facile · Trees
Three from Creamville#4491
Très facile · Trees
Three from Prostokvashino 2#4492
Moyen · Trees
Three from Prostokvashino 3#4493
Très facile · Trees
The Golden Key, or the Adventures of Buratino#4494
Très facile · Trees
Token Transfer#4495
Moyen · Trees
Adventures of Dunno and His Friends#4496
Très facile · Trees · Segment Tree · Binary Search · Fenwick Tree
38 parrots#4497
Facile · Trees
The Return of the Wayward Parrot#4498
Moyen · Trees
The Tale of the Priest and His Worker Balda#4499
Facile · Trees
Cipollino#4500
Facile · Trees
Bit Equation#4501
Facile · Bitmasks · Math
Summer Internship#4502
Très facile · Implementation · Math
Well, it's a very simple task.#4503
Très facile · Bitmasks · Implementation
AND & OR & max on a segment#4504
Moyen · Segment Tree · Bitwise Operations · Range queries
Pyrotechnician#4505
Très facile · Bitmasks
Pyrotechnician - 2#4506
Très facile · Math · Bitmasks
Maximum XOR (Easy)#4507
Très facile · Bitmasks
Maximum XOR (Hard)#4508
Difficile · Greedy algorithms · Bitwise Operations
Vasya and sets#4509
Très facile · Bitmasks · Implementation
AND & OR & min on a segment#4510
Très facile · Segment Tree · Binary Search