Problems
Compose a polygon#2096
Very easy · Geometry
Three-digit numbers#2097
Very easy · Implementation
Invertor#2098
Very easy · Implementation
Two arrays#2099
Easy · Implementation
List#2100
Very easy · Implementation
Intercity Tickets#2101
Easy · Math
Square#2102
Easy · Implementation
Knapsack#2103
Easy · Knapsack
Game Time#2104
Easy · Dynamic programming · Graphs
Latin Squares#2105
Medium · Implementation
Horatio Riddle#2107
Easy · Strings
Hermes#2123
Very hard · Graphs · Shortest paths
Artemis#2124
Very hard · Geometry · Brute force
Phidias#2126
Very easy · Dynamic programming
Farmer#2127
Very easy · Greedy algorithms · Sorting · Math
Polar angle of a point#2129
Very easy · Geometry
The angle between the vectors#2130
Very easy · Geometry
Vector length#2131
Very easy · Geometry
Point on a line#2132
Very easy · Math
Point on a ray#2133
Easy · Geometry
Point on a segment#2134
Easy · Geometry
The position of points outside the line#2135
Very easy · Geometry
The distance from a point to a line#2136
Very easy · Geometry
Distance from the point to the ray#2137
Easy · Geometry
The distance from the point to the segment#2138
Easy · Geometry