Sha256: d6aed01eeb6159d7bed981220b9d109987fec20cf48c21ab4277ce57be612979
Contents?: true
Size: 204 Bytes
Versions: 41
Compression:
Stored size: 204 Bytes
Contents
#!/usr/bin/env ruby
# Compute the n'th triangle number - the hard way
# triangle(n) == (n * (n+1)) / 2
def triangle(n)
tri = 0
0.upto(n) do |i|
tri += i
end
return tri
end
puts triangle(3)
Version data entries
41 entries across 41 versions & 6 rubygems