المسائل
Circular Railway#4666
صعب جدًا · Graphs · Greedy algorithms
SETI#4667
صعب جدًا · Suffix Array · String suffix structures
2-3 Trees#4668
سهل جدًا · Dynamic programming
Search in the row#4669
سهل جدًا · Strings
Periods of Words#4670
سهل · Prefix Function · Strings
Substring#4671
سهل جدًا · Strings
Word Count#4672
سهل جدًا · Graphs · String suffix structures · Depth-first Search
Palindrome. It is a palindrome.#4673
سهل جدًا · String suffix structures
Interesting language#4674
صعب · Strings
Almost prefix-free codes#4675
سهل · Strings
Number of palindromes#4676
متوسط · Brute force
Program for a Program#4678
سهل · Implementation
Mountain Holidays#4679
سهل جدًا · Math · Suffix Array
Divisors#4680
سهل · Math
Desktop#4681
صعب · Breadth-first Search · Graphs · Geometry · Sorting
Exam#4682
صعب · Graph matchings · Greedy algorithms · Constructive Algorithms
Search for a string#4683
سهل · Strings · Implementation
Lucky ticket#4684
صعب جدًا · Brute force
Distance#4685
سهل · Geometry · Brute force
Two templates#4686
سهل · Dynamic programming
Tram#4687
سهل جدًا · Graphs
Median Weight Bead#4688
متوسط · Graphs · Shortest paths
Adventure#4699
صعب جدًا · Greedy algorithms
Boxes#4701
متوسط · Greedy algorithms · Sorting
Lovely Elephants#4715
سهل جدًا · Math