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