ID NAME QUALITY USERS ACC % DIFFICULTY C I
15086 Land Acquisition   35 1031
23
30
33039 Amazing Factor Sequence (hard)   2 9
50
50
15648 Commando   24 506
27
34
26 Build the Fence   36 1971
22
17
26073 Counting Divisors   2 70
34
34
3195 Doors and Penguins   9 230
19
16
14893 Good Inflation   16 180
30
34
3870 Military Story   3 266
21
12

#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