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