{"id":693,"date":"2014-12-31T23:21:23","date_gmt":"2014-12-31T22:21:23","guid":{"rendered":"http:\/\/www.valcon.it\/pascal\/?p=693"},"modified":"2024-06-16T18:45:09","modified_gmt":"2024-06-16T16:45:09","slug":"quick-sort","status":"publish","type":"post","link":"https:\/\/www.valcon.it\/pp\/quick-sort\/","title":{"rendered":"Quick sort"},"content":{"rendered":"\n<p>Un algoritmo di ordinamento<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>molto complicato: <em>ricorsivo e difficile da ricordare<\/em><\/li>\n\n\n\n<li>ma ottimo: <em>\u00e8 quasi sempre molto veloce&#8230;<\/em><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\nProcedure QUICKSORT(var V: Vettore; Inf, Sup: Integer);\nVar\n \u00a0 i, j: Integer;\n \u00a0 Perno: Elemento;\nBegin\n \u00a0 If(Inf &lt; Sup) Then\n\u00a0 \u00a0 \u00a0 Begin\n \u00a0 \u00a0 \u00a0 \u00a0 i:=Inf;\n \u00a0 \u00a0 \u00a0 \u00a0 j:=Sup;\n \u00a0 \u00a0 \u00a0 \u00a0 Perno:=V&#x5B;(Inf+Sup) DIV 2];\n \u00a0 \u00a0 \u00a0 \u00a0 Repeat\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 While(V&#x5B;i] &lt; Perno) Do\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Inc(i);\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 While(Perno &lt; V&#x5B;j]) Do\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Dec(j);\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 If(i &lt;= j) then\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Begin\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 SCAMBIA(V&#x5B;i], V&#x5B;j]);\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Inc(i);\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Dec(j);\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 End;\n\u00a0 \u00a0 \u00a0 \u00a0  Until(I &gt; J);\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0QUICKSORT(V, Inf, j);\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0QUICKSORT(V, i, Sup);\n\u00a0 \u00a0   End;\nEnd;\n<\/pre><\/div>","protected":false},"excerpt":{"rendered":"<p>Un algoritmo di ordinamento<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-693","post","type-post","status-publish","format-standard","hentry","category-prog"],"_links":{"self":[{"href":"https:\/\/www.valcon.it\/pp\/wp-json\/wp\/v2\/posts\/693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.valcon.it\/pp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.valcon.it\/pp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.valcon.it\/pp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.valcon.it\/pp\/wp-json\/wp\/v2\/comments?post=693"}],"version-history":[{"count":3,"href":"https:\/\/www.valcon.it\/pp\/wp-json\/wp\/v2\/posts\/693\/revisions"}],"predecessor-version":[{"id":32200,"href":"https:\/\/www.valcon.it\/pp\/wp-json\/wp\/v2\/posts\/693\/revisions\/32200"}],"wp:attachment":[{"href":"https:\/\/www.valcon.it\/pp\/wp-json\/wp\/v2\/media?parent=693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.valcon.it\/pp\/wp-json\/wp\/v2\/categories?post=693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.valcon.it\/pp\/wp-json\/wp\/v2\/tags?post=693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}