ID NAME QUALITY USERS ACC % DIFFICULTY C I
15086 Land Acquisition   23 637
23
30
33039 Amazing Factor Sequence (hard)   1 2
50
50
15648 Commando   17 321
27
36
26 Build the Fence   30 1591
22
17
26073 Counting Divisors   1 11
50
34
3195 Doors and Penguins   7 212
19
15
14893 Good Inflation   16 144
30
34
3870 Military Story   2 229
26
9

#convex-hull

The convex hull is the smallest convex set that contains given set of points.

https://en.wikipedia.org/wiki/Convex_hull http://mathworld.wolfram.com/ConvexHull.html https://en.wikipedia.org/wiki/Convex_hull_algorithms