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