{"id":4139,"date":"2018-06-06T06:32:12","date_gmt":"2018-06-06T04:32:12","guid":{"rendered":"http:\/\/www.glc.us.es\/~jalonso\/exercitium\/?p=4139"},"modified":"2021-04-25T16:24:31","modified_gmt":"2021-04-25T14:24:31","slug":"sin-ceros-consecutivos-2018","status":"publish","type":"post","link":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/sin-ceros-consecutivos-2018\/","title":{"rendered":"Sin ceros consecutivos"},"content":{"rendered":"<p>Definir la funci\u00f3n<\/p>\n<pre lang=\"text\">\n   sinDobleCero :: Int -> [[Int]]\n<\/pre>\n<p>tal que (sinDobleCero n) es la lista de las listas de longitud n formadas por el 0 y el 1 tales que no contiene dos ceros consecutivos. Por ejemplo,<\/p>\n<pre lang=\"text\">\n   ghci> sinDobleCero 2\n   [[1,0],[1,1],[0,1]]\n   ghci> sinDobleCero 3\n   [[1,1,0],[1,1,1],[1,0,1],[0,1,0],[0,1,1]]\n   ghci> sinDobleCero 4\n   [[1,1,1,0],[1,1,1,1],[1,1,0,1],[1,0,1,0],[1,0,1,1],\n    [0,1,1,0],[0,1,1,1],[0,1,0,1]]\n<\/pre>\n<h4>Soluciones<\/h4>\n<p>[schedule expon=&#8217;2018-06-13&#8242; expat=\u00bb06:00&#8243;]<\/p>\n<ul>\n<li>Las soluciones se pueden escribir en los comentarios hasta el 06 de junio.\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;2018-06-13&#8242; at=\u00bb06:00&#8243;]<\/p>\n<pre lang=\"haskell\">\r\nsinDobleCero :: Int -> [[Int]]\r\nsinDobleCero 0 = [[]]\r\nsinDobleCero 1 = [[0],[1]]\r\nsinDobleCero n = [1:xs | xs <- sinDobleCero (n-1)] ++\r\n                 [0:1:ys | ys <- sinDobleCero (n-2)]\r\n<\/pre>\n<p>[\/schedule]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Definir la funci\u00f3n sinDobleCero :: Int -> [[Int]] tal que (sinDobleCero n) es la lista de las listas de longitud n formadas por el 0 y el 1 tales que no contiene dos ceros consecutivos. Por ejemplo, ghci> sinDobleCero 2 [[1,0],[1,1],[0,1]] ghci> sinDobleCero 3 [[1,1,0],[1,1,1],[1,0,1],[0,1,0],[0,1,1]] ghci> sinDobleCero 4 [[1,1,1,0],[1,1,1,1],[1,1,0,1],[1,0,1,0],[1,0,1,1], [0,1,1,0],[0,1,1,1],[0,1,0,1]] Soluciones [schedule expon=&#8217;2018-06-13&#8242; expat=\u00bb06:00&#8243;] Las&#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":[8,6],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/4139"}],"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=4139"}],"version-history":[{"count":3,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/4139\/revisions"}],"predecessor-version":[{"id":5927,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/4139\/revisions\/5927"}],"wp:attachment":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/media?parent=4139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/categories?post=4139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/tags?post=4139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}