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