src/problems/rstr.lisp @ 870270771fde
PDST
author |
Steve Losh <steve@stevelosh.com> |
date |
Sun, 19 Jan 2020 21:14:53 -0500 |
parents |
2735aa6aab79 |
children |
(none) |
(defpackage :rosalind/rstr (:use :cl :rosalind :losh :iterate))
(in-package :rosalind/rstr)
(defparameter *input* "90000 0.6
ATAGCCGA")
(defparameter *output* "0.689")
(define-problem rstr (data stream) *input* *output*
(let* ((n (read data))
(gc (coerce (read data) 'double-float))
(dna (read-line data))
(prob (u:sequence-probability gc dna)))
(u:float-string (- 1 (expt (- 1 prob) n)))))