hg.stevelosh.com > rosalind

src/problems/iev.lisp @ 474d88a2af2e 

Refactor to remove some boilerplate
author Steve Losh <steve@stevelosh.com>
date Sat, 23 Feb 2019 12:42:07 -0500
parents 11df545d1a41
children 2735aa6aab79 
(in-package :rosalind)

(define-problem iev (data stream)
    "1 0 0 1 0 1"
    "3.5000"
  (let* ((dd (read data))
         (dh (read data))
         (dr (read data))
         (hh (read data))
         (hr (read data))
         (rr (read data)))
    (float-string
      ;; It's just a weighted average…
      (* 2 (+ (* dd 1)
              (* dh 1)
              (* dr 1)
              (* hh 3/4)
              (* hr 1/2)
              (* rr 0)))
      4)))