{"id":1400,"date":"2015-04-30T06:31:47","date_gmt":"2015-04-30T04:31:47","guid":{"rendered":"http:\/\/www.glc.us.es\/~jalonso\/exercitium\/?p=1400"},"modified":"2015-05-07T07:39:01","modified_gmt":"2015-05-07T05:39:01","slug":"rotaciones-de-un-numero","status":"publish","type":"post","link":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/rotaciones-de-un-numero\/","title":{"rendered":"Rotaciones de un n\u00famero"},"content":{"rendered":"<p>Definir la funci\u00f3n<\/p>\n<pre lang=\"text\">\n   rotacionesNumero :: Integer -> [Integer]\n<\/pre>\n<p>(rotacionesNumero n) es la lista de las rotaciones obtenidas desplazando el primer d\u00edgito de n al final. Por ejemplo,<\/p>\n<pre lang=\"text\">\n   rotacionesNumero 325  ==  [325,253,532]\n<\/pre>\n<h4>Soluciones<\/h4>\n<pre lang=\"haskell\">\n-- 1\u00aa definici\u00f3n (por comprensi\u00f3n)\n-- ===============================\n\nrotacionesNumero1 :: Integer -> [Integer]\nrotacionesNumero1 n = [read xs | xs <- rotaciones (show n)]\n\n-- (rotaciones xs) es la lista de las rotaciones obtenidas desplazando\n-- el primer elemento xs al final. Por ejemplo,\n--    rotaciones [2,3,5]  ==  [[2,3,5],[3,5,2],[5,2,3]]\nrotaciones :: [a] -> [[a]]\nrotaciones xs = take (length xs) (iterate rota xs)\n\n-- (rota xs) es la lista a\u00f1adiendo el primer elemento de xs al\n-- final. Por ejemplo, \n--    rota [3,2,5,7]  ==  [2,5,7,3]\nrota :: [a] -> [a]\nrota (x:xs) = xs ++ [x]\n\n-- 2\u00aa definici\u00f3n (con map)\n-- =======================\n\nrotacionesNumero2 :: Integer -> [Integer]\nrotacionesNumero2 n = map read (rotaciones (show n))\n\n-- 3\u00aa definici\u00f3n (sin argumentos)\n-- ==============================\n\nrotacionesNumero3 :: Integer -> [Integer]\nrotacionesNumero3 = map read . rotaciones . show\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Definir la funci\u00f3n rotacionesNumero :: Integer -> [Integer] (rotacionesNumero n) es la lista de las rotaciones obtenidas desplazando el primer d\u00edgito de n al final. Por ejemplo, rotacionesNumero 325 == [325,253,532] Soluciones &#8212; 1\u00aa definici\u00f3n (por comprensi\u00f3n) &#8212; =============================== rotacionesNumero1 :: Integer -> [Integer] rotacionesNumero1 n = [read xs | xs [[a]] rotaciones xs =&#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":[50,28,11,95,6,32,33,47],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/1400"}],"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=1400"}],"version-history":[{"count":3,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/1400\/revisions"}],"predecessor-version":[{"id":1427,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/1400\/revisions\/1427"}],"wp:attachment":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/media?parent=1400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/categories?post=1400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/tags?post=1400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}