Problems
Strange ice hockey tournament#2070
Very easy · Math
Three Mushroom Pickers#2071
Easy · Math
Ancient Scroll Restoration#2072
Medium · Implementation · Brute force
Road Reform#2073
Very easy · Graphs
The cyclic suffixes#2074
Easy · Strings
Infinite fraction#2075
Easy · Brute force · Math
Towers#2076
Very easy · Strings · Sorting
Darts#2077
Very easy · Geometry
Poet#2078
Easy · Graphs · Graph network flows
Number of inversions#2079
Easy · Dynamic programming · Brute force
Include directives#2080
Hard · Depth-first Search · Strings
Simple numbers#2081
Very easy · Prime factorization · Math
Inaccurate search#2082
Medium · Dynamic programming · String suffix structures
Taxi#2083
Very easy · Graphs
The Great Wall#2084
Very easy · Graphs
Cut#2085
Easy · Graphs
Spoiled parquet#2086
Easy · Graphs · Dynamic programming
Coin Collecting#2088
Easy · Graphs · Graph network flows
Corners#2089
Very easy · Graphs
Built-in command queue#2090
Hard · Sorting
Club "Binary Cat"#2091
Very easy · Implementation
Load balancing#2092
Easy · Prefix Sums · Math
Data Center Cooling#2093
Medium · Graphs · Graph network flows
Pedestrian Zones vs. Ring Roads#2094
Medium · Geometry
Horses#2095
Very easy · Brute force