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