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