{"id":7256,"date":"2022-08-19T06:00:25","date_gmt":"2022-08-19T04:00:25","guid":{"rendered":"http:\/\/www.glc.us.es\/~jalonso\/exercitium\/?p=7256"},"modified":"2022-12-14T16:49:31","modified_gmt":"2022-12-14T14:49:31","slug":"reconocimiento-de-palindromos","status":"publish","type":"post","link":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/reconocimiento-de-palindromos\/","title":{"rendered":"Reconocimiento de pal\u00edndromos"},"content":{"rendered":"<p>Definir la funci\u00f3n<\/p>\n<pre lang=\"text\">\n   palindromo :: Eq a => [a] -> Bool\n<\/pre>\n<p>tal que <code>(palindromo xs)<\/code> se verifica si <code>xs<\/code> es un pal\u00edndromo; es decir, es lo mismo leer xs de izquierda a derecha que de derecha a izquierda. Por ejemplo,<\/p>\n<pre lang=\"text\">\n   palindromo [3,2,5,2,3]    ==  True\n   palindromo [3,2,5,6,2,3]  ==  False\n<\/pre>\n<p><b>Soluciones<\/b><\/p>\n<p>A continuaci\u00f3n se muestran las <a href=\"#haskell\">soluciones en Haskell<\/a> y las <a href=\"#python\">soluciones en Python<\/a>.<\/p>\n<p><a name=\"haskell\"><\/a><br \/>\n<b>Soluciones en Haskell<\/b><\/p>\n<pre lang=\"haskell\">\npalindromo :: Eq a => [a] -> Bool\npalindromo xs =\n  xs == reverse xs\n<\/pre>\n<p>El c\u00f3digo se encuentra en <a href=\"https:\/\/github.com\/jaalonso\/Exercitium\/blob\/main\/src\/Reconocimiento_de_palindromos.hs\">GitHub<\/a>.<\/p>\n<p><a name=\"python\"><\/a><br \/>\n<b>Soluciones en Python<\/b><\/p>\n<pre lang=\"python\">\nfrom typing import TypeVar\n\nA = TypeVar('A')\n\ndef palindromo(xs: list[A]) -> bool:\n    return xs == list(reversed(xs))\n<\/pre>\n<p>El c\u00f3digo se encuentra en <a href=\"https:\/\/github.com\/jaalonso\/Exercitium-Python\/blob\/main\/src\/reconocimiento_de_palindromos.py\">GitHub<\/a>.<\/p>\n<p><b>Comentarios<\/b><\/p>\n<ul>\n<li>La inversa de la lista <code>xs<\/code> se calcula\n<ul>\n<li>en Haskell, con <code>reverse xs<\/code> y<\/li>\n<li>en Python, con <code>list(reversed(xs))<\/code>.<\/li>\n<\/ul>\n<\/li>\n<li>Para comparar la igualdad de dos listas <code>xs<\/code> e <code>ys<\/code> se escribe igual qh Haskell y en Python: <code>xs == ys<\/code>.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Definir la funci\u00f3n palindromo :: Eq a => [a] -> Bool tal que (palindromo xs) se verifica si xs es un pal\u00edndromo; es decir, es lo mismo leer xs de izquierda a derecha que de derecha a izquierda. Por ejemplo, palindromo [3,2,5,2,3] == True palindromo [3,2,5,6,2,3] == False Soluciones A continuaci\u00f3n se muestran las soluciones&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[581],"tags":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/7256"}],"collection":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/comments?post=7256"}],"version-history":[{"count":6,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/7256\/revisions"}],"predecessor-version":[{"id":7710,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/7256\/revisions\/7710"}],"wp:attachment":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/media?parent=7256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/categories?post=7256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/tags?post=7256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}