المسائل
Sum of squares#5897
متوسط · Math
How many multiples#5898
سهل · Math
Multiplication#5899
صعب · Implementation
Multifactorial#5900
سهل · Dynamic programming
Discrete Fourier Transform#5901
سهل · Fast Fourier transform · Implementation
Reverse order#5902
سهل جدًا · Binary Search
Distinct Sums#5903
سهل · Brute force · Prefix Sums
Multifactorial - 2#5904
سهل جدًا · Math · Implementation
Roots from one#5905
سهل جدًا · Math
Discrete Fourier Transform - 2#5906
متوسط · Fast Fourier transform · Math
Square root#5907
سهل · Implementation
Dictionary search#5908
صعب · Strings · Prefix Function
Fibonacci Strings#5909
متوسط · Strings · Dynamic programming
Isomorphisms#5910
صعب · Hashing · Strings
Palindrome row#5911
سهل · Combinatorics
Suffix Game#5912
سهل · Strings
Number of Distinct Substrings#5913
صعب · String suffix structures · Suffix Array
Suffix tree in line#5914
سهل · Suffix Array
Vertices of the implicit suffix tree#5915
سهل · Strings
Suffixes of one string#5916
سهل جدًا · Strings
Zebra - also a horse#5917
سهل جدًا · Strings
Happy Sum 3#5918
سهل · Dynamic programming
Fibonacci haters' nim 2. Peter strikes back!#5919
صعب جدًا · Games · Dynamic programming · Prefix Sums · Bitwise Operations
Mr. Chudakov's Buses#5920
سهل جدًا · Graphs · Dynamic programming
Word number#5921
سهل · Brute force · Strings