{"id":638,"date":"2014-11-26T06:00:42","date_gmt":"2014-11-26T04:00:42","guid":{"rendered":"http:\/\/www.glc.us.es\/~jalonso\/exercitium\/?p=638"},"modified":"2022-03-25T20:11:50","modified_gmt":"2022-03-25T18:11:50","slug":"aplicaciones-alternativas","status":"publish","type":"post","link":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/aplicaciones-alternativas\/","title":{"rendered":"Aplicaciones alternativas"},"content":{"rendered":"<h4>Enunciado<\/h4>\n<pre lang=\"text\">\n-- Definir la funci\u00f3n\n--    alternativa :: (a -> b) -> (a -> b) -> [a] -> [b]\n-- tal que (alternativa f g xs) es la lista obtenida aplicando\n-- alternativamente las funciones f y g a los elementos de xs. Por\n-- ejemplo, \n--    alternativa (+1)  (+10) [1,2,3,4]    ==  [2,12,4,14]\n--    alternativa (+10) (*10) [1,2,3,4,5]  ==  [11,20,13,40,15]\n<\/pre>\n<h4>Soluciones<\/h4>\n<p>[schedule expon=&#8217;2014-12-03&#8242; expat=\u00bb06:00&#8243;]<\/p>\n<ul>\n<li>Las soluciones se pueden escribir en los comentarios hasta el 3 de diciembre.\n<li>El c\u00f3digo se debe escribir entre una l\u00ednea con &#60;pre lang=\u00bbhaskell\u00bb&#62; y otra con &#60;\/pre&#62;\n<\/ul>\n<p>[\/schedule]<\/p>\n<p>[schedule on=&#8217;2014-12-03&#8242; at=\u00bb06:00&#8243;]<\/p>\n<pre lang=\"haskell\">\r\n-- 1\u00aa definici\u00f3n (por recursi\u00f3n):\r\nalternativa1 :: (a -> b) -> (a -> b) -> [a] -> [b]\r\nalternativa1 f g []     = []\r\nalternativa1 f g (x:xs) = f x : alternativa1 g f xs\r\n\r\n-- 2\u00aa definici\u00f3n (por comprensi\u00f3n):\r\nalternativa2 :: (a -> b) -> (a -> b) -> [a] -> [b]\r\nalternativa2 f g xs = \r\n    [h x | (h,x) <- zip (cycle [f,g]) xs]\r\n<\/pre>\n<p>[\/schedule]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Enunciado &#8212; Definir la funci\u00f3n &#8212; alternativa :: (a -> b) -> (a -> b) -> [a] -> [b] &#8212; tal que (alternativa f g xs) es la lista obtenida aplicando &#8212; alternativamente las funciones f y g a los elementos de xs. Por &#8212; ejemplo, &#8212; alternativa (+1) (+10) [1,2,3,4] == [2,12,4,14] &#8212; alternativa&#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":[5],"tags":[8,166,415,11,6],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/638"}],"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=638"}],"version-history":[{"count":4,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/638\/revisions"}],"predecessor-version":[{"id":732,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/638\/revisions\/732"}],"wp:attachment":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/media?parent=638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/categories?post=638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/tags?post=638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}