You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
10 lines
298 B
10 lines
298 B
positions = ARGF.read.split(?,).map(&:to_i)
|
|
min, max = positions.minmax
|
|
pos = (min..max).min_by {|i|
|
|
# positions.sum {|p| (p - i).abs }
|
|
positions.sum {|p| n = (p - i).abs; (n * (n + 1)) / 2 }
|
|
}
|
|
|
|
# p positions.sum {|p| (p - pos).abs }
|
|
p positions.sum {|p| n = (p - pos).abs; (n * (n + 1)) / 2 }
|