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