Sha256: 486753152c101ece0de09152d8ee1d20c281f8cb7dceac9d766c49f745cd80f5
Contents?: true
Size: 448 Bytes
Versions: 158
Compression:
Stored size: 448 Bytes
Contents
use "collections"
use "itertools"
primitive Squares
fun square_of_sums(n: USize): USize =>
let sum = (n * (n + 1)) / 2
sum * sum
fun sum_of_squares(n: USize): USize =>
try
Iter[USize](Range(0, n + 1))
.map[USize]({(x: USize): USize => x * x})
.fold[USize]({(acc: USize, x: USize): USize => acc + x}, 0)
else
0
end
fun difference(n: USize): USize =>
square_of_sums(n) - sum_of_squares(n)
Version data entries
158 entries across 158 versions & 1 rubygems