hg.stevelosh.com > rosalind

src/problems/eval.lisp @ dbd94aef5f92 

SETO
author Steve Losh <steve@stevelosh.com>
date Fri, 20 Dec 2019 17:12:23 -0500
parents 64aa58880d55
children 2735aa6aab79 
(in-package :rosalind)

(defparameter *input-eval* "10
AG
0.25 0.5 0.75")

(defparameter *output-eval* "0.422 0.563 0.422")

(define-problem eval (data stream)
    *input-eval*
    *output-eval*
  (let* ((string-length (read data))
         (substring (read-line data))
         (gc-contents (read-all data))
         (chances (- string-length (1- (length substring)))))
    (float-string (mapcar (lambda (gc-content)
                            (* chances (sequence-probability
                                         (coerce gc-content 'double-float)
                                         substring)))
                          gc-contents))))