{"id":2672,"date":"2016-12-09T06:00:52","date_gmt":"2016-12-09T04:00:52","guid":{"rendered":"http:\/\/www.glc.us.es\/~jalonso\/exercitium\/?p=2672"},"modified":"2016-12-17T11:39:57","modified_gmt":"2016-12-17T09:39:57","slug":"caracteres-en-la-misma-posicion-que-en-el-alfabeto","status":"publish","type":"post","link":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/caracteres-en-la-misma-posicion-que-en-el-alfabeto\/","title":{"rendered":"Caracteres en la misma posici\u00f3n que en el alfabeto"},"content":{"rendered":"<p>Un car\u00e1cter c de una cadena cs est\u00e1 bien colocado si la posici\u00f3n de c en cs es la misma que en el abecedario (sin distinguir entre may\u00fasculas y min\u00fasculas). Por ejemplo, los elementos bien colocados de la cadena \u00abaBaCEria\u00bb son &#8216;a&#8217;, &#8216;B&#8217; y &#8216;E&#8217;.<\/p>\n<p>Definir la funci\u00f3n<\/p>\n<pre lang=\"text\">\n   nBienColocados :: String -> Int\n<\/pre>\n<p>tal que (nBienColocados cs) es el n\u00famero de elementos bien colocados de la cadena cs. Por ejemplo,<\/p>\n<pre lang=\"text\">\n   nBienColocados \"aBaCEria\"                    ==  3\n   nBienColocados \"xBxxExxxIxxxxNxxxxxTxxxXYZ\"  ==  8\n<\/pre>\n<h4>Soluciones<\/h4>\n<pre lang=\"haskell\">\nimport Data.Char (toLower)\n\nnBienColocados :: String -> Int\nnBienColocados = length . bienColocados\n\nbienColocados :: String -> [Char]\nbienColocados cs =\n  [c | (c,d) <- zip (map toLower cs) ['a'..'z']\n     , c == d]\n<\/pre>\n<h4>Referencias<\/h4>\n<p>Basado en el problema <a href=\"http:\/\/www.geeksforgeeks.org\/count-characters-position-english-alphabets\/\">Count characters at same position as in English alphabets<\/a> de Sahil Chhabra en <a href=\"http:\/\/www.geeksforgeeks.org\">GeeksforGeeks<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un car\u00e1cter c de una cadena cs est\u00e1 bien colocado si la posici\u00f3n de c en cs es la misma que en el abecedario (sin distinguir entre may\u00fasculas y min\u00fasculas). Por ejemplo, los elementos bien colocados de la cadena \u00abaBaCEria\u00bb son &#8216;a&#8217;, &#8216;B&#8217; y &#8216;E&#8217;. Definir la funci\u00f3n nBienColocados :: String -> Int tal que&#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":[4],"tags":[8,38,28,10,11,37,271,9],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/2672"}],"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=2672"}],"version-history":[{"count":6,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/2672\/revisions"}],"predecessor-version":[{"id":2708,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/2672\/revisions\/2708"}],"wp:attachment":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/media?parent=2672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/categories?post=2672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/tags?post=2672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}