{"id":33413,"date":"2026-01-30T16:46:25","date_gmt":"2026-01-30T15:46:25","guid":{"rendered":"https:\/\/agora.xtec.cat\/escolasaavedra\/?p=33413"},"modified":"2026-01-30T15:50:02","modified_gmt":"2026-01-30T14:50:02","slug":"el-repte-del-quadrat-quan-programar-vol-dir-ser-eficients","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/escolasaavedra\/general\/el-repte-del-quadrat-quan-programar-vol-dir-ser-eficients\/","title":{"rendered":"El repte del quadrat: Quan programar vol dir ser eficients"},"content":{"rendered":"<p data-path-to-node=\"3\">Despr\u00e9s de l&#8217;\u00e8xit de la nostra primera sessi\u00f3 d&#8217;enlairament, els alumnes de 4t de Prim\u00e0ria no han trigat a enfrontar-se a un nou desafiament que ha posat a prova la seva capacitat de s\u00edntesi i l\u00f2gica: <b data-path-to-node=\"3\" data-index-in-node=\"201\">el repte del moviment en quadrat.<\/b><\/p>\n<p data-path-to-node=\"4\">A priori, fer que un dron dibuixi un quadrat a l&#8217;aire sembla senzill: avan\u00e7ar, girar, avan\u00e7ar, girar&#8230; Per\u00f2, per complicar-ho (i fer-ho m\u00e9s interessant!), hem introdu\u00eft una restricci\u00f3 d&#8217;experts: <b data-path-to-node=\"4\" data-index-in-node=\"196\">est\u00e0 prohibit repetir cap bloc de programaci\u00f3.<\/b><\/p>\n<h4 data-path-to-node=\"5\">Ad\u00e9u a la repetici\u00f3, hola als &#8220;bucles&#8221;<\/h4>\n<p data-path-to-node=\"6\">En el m\u00f3n de la programaci\u00f3, la repetici\u00f3 \u00e9s una oportunitat per a l&#8217;efici\u00e8ncia. En lloc de posar vuit blocs seguits (quatre moviments i quatre girs), els alumnes han hagut de descobrir i aplicar una de les estructures fonamentals de la computaci\u00f3: <b data-path-to-node=\"6\" data-index-in-node=\"249\">el bucle (o iteraci\u00f3).<\/b><\/p>\n<p data-path-to-node=\"7\">Aquesta restricci\u00f3 els ha obligat a:<\/p>\n<ul data-path-to-node=\"8\">\n<li>\n<p data-path-to-node=\"8,0,0\"><b data-path-to-node=\"8,0,0\" data-index-in-node=\"0\">Identificar el patr\u00f3:<\/b> Entendre que el moviment &#8220;avan\u00e7ar + girar 90\u00b0&#8221; es repeteix quatre vegades.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"8,1,0\"><b data-path-to-node=\"8,1,0\" data-index-in-node=\"0\">Abstreure la soluci\u00f3:<\/b> Buscar el bloc de &#8220;repetir&#8221; i configurar-lo correctament.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"8,2,0\"><b data-path-to-node=\"8,2,0\" data-index-in-node=\"0\">Optimitzar el codi:<\/b> Aconseguir el mateix resultat (el quadrat perfecte) amb el m\u00ednim de blocs possibles.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"9\">Un \u00e8xit compartit i amb col\u00b7laboraci\u00f3<\/h4>\n<p data-path-to-node=\"10\">L&#8217;activitat ha estat un \u00e8xit absolut. Tot i que el repte exigia un esfor\u00e7 de reflexi\u00f3 m\u00e9s gran que en la sessi\u00f3 anterior, <b data-path-to-node=\"10\" data-index-in-node=\"122\">tots els grups de 4t han aconseguit que els seus drons completessin el recorregut.<\/b> Alguns equips han necessitat una mica m\u00e9s d&#8217;orientaci\u00f3 o han hagut de fer diversos intents (el fam\u00f3s m\u00e8tode d&#8217;assaig i error), mentre que d&#8217;altres han trobat la soluci\u00f3 de manera gaireb\u00e9 intu\u00eftiva. La clau, per\u00f2, ha estat el suport mutu: aquells grups que primer ho han desxifrat han ajudat la resta a entendre el concepte de la repetici\u00f3.<\/p>\n<p data-path-to-node=\"11\">Amb aquesta sessi\u00f3 hem apr\u00e8s que programar no nom\u00e9s \u00e9s fer que les coses passin, sin\u00f3 fer que passin de la manera m\u00e9s intel\u00b7ligent i neta possible. Estem preparats pel seg\u00fcent repte!<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/8Qtt8xWx8uk?si=gZpGzxxiSyyXrnyV\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Despr\u00e9s de l&#8217;\u00e8xit de la nostra primera sessi\u00f3 d&#8217;enlairament, els alumnes de 4t de Prim\u00e0ria no han trigat a enfrontar-se a un nou desafiament que ha posat a prova la seva capacitat de s\u00edntesi i l\u00f2gica: el repte del moviment en quadrat.<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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