{"id":233252,"date":"2023-02-09T12:13:00","date_gmt":"2023-02-09T09:13:00","guid":{"rendered":"https:\/\/wordpress.mediadoma.com\/?p=233252"},"modified":"2023-02-09T12:13:14","modified_gmt":"2023-02-09T09:13:14","slug":"c-valuuttanumeron-muototoiminto","status":"publish","type":"post","link":"https:\/\/wordpress.mediadoma.com\/fi\/c-valuuttanumeron-muototoiminto\/","title":{"rendered":"C++ Valuuttanumeron muototoiminto"},"content":{"rendered":"<blockquote>\n<p>Penni\u00e4 ajatuksistasi<\/p>\n<p>Jos sinulla on positiivinen kokonaisluku n, joka edustaa senttim\u00e4\u00e4r\u00e4\u00e4, palauta muotoiltu valuuttasumma. Jos esimerkiksi n = 123456, palauttaa &quot;1 234,56&quot;.<\/p>\n<p>Esimerkki 1<br \/>\nTulo<br \/>\nn = 132<br \/>\nL\u00e4ht\u00f6<br \/>\n&quot;1.32&quot;<\/p>\n<p>Esimerkki 2<br \/>\nTulo<br \/>\nn = 2<br \/>\nL\u00e4ht\u00f6<br \/>\n&quot;0.02&quot;<\/p>\n<p>Esimerkki 3<br \/>\nTulo<br \/>\nn = 100000000<br \/>\nL\u00e4ht\u00f6<br \/>\n&quot;1 000 000.00&quot;<\/p>\n<\/blockquote>\n<h3>Muotoile valuuttanumero C++:lla<\/h3>\n<p>Vaikka t\u00e4m\u00e4 teht\u00e4v\u00e4 saattaa vaikuttaa yksinkertaiselta <a href=\"https:\/\/wordpress.mediadoma.com\/fi\/korvaa-wordpressin-sisaeaenrakennettu-hakukenttae-google-customize-searchilla\/\" title=\"sis\u00e4\u00e4nrakennetun\">sis\u00e4\u00e4nrakennetun<\/a> funktion, kuten printf tai String-muodon (Pythonissa) kanssa, t\u00e4m\u00e4n numeron\/valuutan muotoilun toteuttaminen ei vaikuta trivaalilta teht\u00e4v\u00e4lt\u00e4. Ensin meid\u00e4n pit\u00e4isi saada pennin osuus (murto-osa) laskemalla kaksi viimeist\u00e4 numeroa (j\u00e4ljell\u00e4 100). Sitten meid\u00e4n on ryhmitelt\u00e4v\u00e4 <a href=\"https:\/\/helloacm.com\/power-digit-sum-what-is-the-sum-of-the-digits-of-the-number-21000\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">muut numerot<\/a> kolmeen.<\/p>\n<p>Tarvitsemme merkkijonotyynytoiminnon lis\u00e4t\u00e4ksemme keskimm\u00e4isten ryhmien etunollat \u200b\u200bja my\u00f6s pennin (enint\u00e4\u00e4n 2 numeroa, kuten 0,01). Merkitt\u00e4vimm\u00e4n ryhm\u00e4n ei pit\u00e4isi lis\u00e4t\u00e4 <a href=\"https:\/\/helloacm.com\/how-to-compute-the-number-complement-for-integers\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">etunollia.<\/a> Numerot erotetaan toisistaan \u200b\u200bpilkulla.<\/p>\n<pre><code>string solve(int n) {\n\u00a0 \u00a0 auto pad = [](int v, int d) {\n\u00a0 \u00a0 \u00a0 \u00a0 string ans = std::to_string(v);\n\u00a0 \u00a0 \u00a0 \u00a0 if (ans.size() &lt; d) {\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ans = string(d - (int)ans.size(), '0') + ans;\n\u00a0 \u00a0 \u00a0 \u00a0 }\n\u00a0 \u00a0 \u00a0 \u00a0 return ans;\n\u00a0 \u00a0 };\n\u00a0 \u00a0 int cents = n % 100;\n\u00a0 \u00a0 n \/= 100;\n\u00a0 \u00a0 vector&lt;int&gt; groups;\n\u00a0 \u00a0 while (n &gt; 0) {\n\u00a0 \u00a0 \u00a0 \u00a0 groups.insert(begin(groups), n % 1000);\n\u00a0 \u00a0 \u00a0 \u00a0 n \/= 1000;\n\u00a0 \u00a0 }\n\u00a0 \u00a0 string ans = \"\";\n\u00a0 \u00a0 if (!groups.empty()) {\n\u00a0 \u00a0 \u00a0 \u00a0 ans += std::to_string(groups[0]);\n\u00a0 \u00a0 \u00a0 \u00a0 if (groups.size() &gt; 1) {\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ans += \",\";\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 for (int i = 1; i + 1 &lt; groups.size(); ++ i) {\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ans += pad(groups[i], 3) + \",\";\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ans += pad(groups.back(), 3);\n\u00a0 \u00a0 \u00a0 \u00a0 }\n\u00a0 \u00a0 } else {\n\u00a0 \u00a0 \u00a0 \u00a0 ans += \"0\";\n\u00a0 \u00a0 }\n\u00a0 \u00a0 ans += \".\";\n\u00a0 \u00a0 ans += pad(cents, 2);\n\u00a0 \u00a0 return ans;\n}<\/code><\/pre>\n<p>Yll\u00e4 oleva C++-funktio ilmoittaa paikallisen <a href=\"https:\/\/helloacm.com\/how-to-define-lambda-functions-in-c11\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">lambda<\/a> -funktion k\u00e4ytt\u00e4m\u00e4ll\u00e4 toiminnallista syntaksia. Sitten ryhmittelemme numerot kolmeen osaan ja laitamme ne vektoriin. Sitten pehmustamme jokaisen ryhm\u00e4n, mukaan lukien sentin osan.<\/p>\n<p><div id=\"PostUnique_PostSource\" style=\"padding-top: 50px\">:  <a target=\"_blank\" rel=\"noopener nofollow\" href=\"\/\/helloacm.com\" class=\"external external_icon\">helloacm.com<\/a><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C++ Valuuttanumeron muototoiminto<\/p>\n","protected":false},"author":1,"featured_media":224867,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[1066,719,719,1110,843,1066,843],"tags":[1166],"class_list":["post-233252","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tietokone","category-kehittaejae","category-n-a","category-opetusohjelmia","tag-affiai-fi"],"_links":{"self":[{"href":"https:\/\/wordpress.mediadoma.com\/fi\/wp-json\/wp\/v2\/posts\/233252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.mediadoma.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.mediadoma.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/fi\/wp-json\/wp\/v2\/comments?post=233252"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.mediadoma.com\/fi\/wp-json\/wp\/v2\/posts\/233252\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/fi\/wp-json\/wp\/v2\/media\/224867"}],"wp:attachment":[{"href":"https:\/\/wordpress.mediadoma.com\/fi\/wp-json\/wp\/v2\/media?parent=233252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/fi\/wp-json\/wp\/v2\/categories?post=233252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.mediadoma.com\/fi\/wp-json\/wp\/v2\/tags?post=233252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}