المسائل
New-year presents#26
متوسط · Greedy algorithms
Cycle shifts#27
سهل · Number theory · Bitmasks · Bitwise Operations
Product#28
متوسط · Implementation · Math
The level of palindrome#29
سهل · Brute force · Strings
Certification#30
متوسط · Dynamic programming · Combinatorics
Superstitious Santa Claus#31
سهل جدًا · Brute force
Knight and Pawn#32
متوسط · Games · Dynamic programming
The favourite numbers of Santa Claus#33
سهل · Number theory
The word of sponsor#34
متوسط · Graphs
Triangles from Matches#35
متوسط · Math
Gorynych the Dragon#36
سهل · Math
Mail of the Sponsor#37
سهل جدًا · Graphs · Breadth-first Search
Firs Protection#38
متوسط · Convex Hull · Geometry
Sponsor’s Money#39
سهل · Dynamic programming
Water supply#40
سهل · Graphs
Command of the Mayor#41
سهل · Graphs
Green spot#42
متوسط · Geometry
Competitors’ quantity of the Olympiad#43
سهل جدًا · Number theory
The number of ones#44
سهل · Dynamic programming
The Fuel#45
سهل جدًا · Graphs · Implementation · Greedy algorithms
The Segments#46
سهل جدًا · Dynamic programming
The Parquet of the Triangles#47
سهل · Graphs · Implementation
The Red and Blue Squares#48
سهل · Geometry
Smart Feeder#49
سهل · Geometry
The cut number#50
سهل · Brute force · Math