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	<id>https://wiki.universitas.ro/index.php?action=history&amp;feed=atom&amp;title=1353_-_Aparitii_Cifra</id>
	<title>1353 - Aparitii Cifra - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.universitas.ro/index.php?action=history&amp;feed=atom&amp;title=1353_-_Aparitii_Cifra"/>
	<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=1353_-_Aparitii_Cifra&amp;action=history"/>
	<updated>2026-05-01T08:49:36Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.42.1</generator>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=1353_-_Aparitii_Cifra&amp;diff=6718&amp;oldid=prev</id>
		<title>Pop Giulia at 12:59, 20 May 2023</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=1353_-_Aparitii_Cifra&amp;diff=6718&amp;oldid=prev"/>
		<updated>2023-05-20T12:59:40Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 12:59, 20 May 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Sursa: [https://www.pbinfo.ro/probleme/1353/aparitiicifra]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Cerința==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Cerința==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Determinaţi numărul de apariţii a unei cifre c în reprezentarea tuturor numerelor mai mici sau egale cu un n dat.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Determinaţi numărul de apariţii a unei cifre c în reprezentarea tuturor numerelor mai mici sau egale cu un n dat.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Pop Giulia</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=1353_-_Aparitii_Cifra&amp;diff=5626&amp;oldid=prev</id>
		<title>Pop Giulia: /* Solutie */</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=1353_-_Aparitii_Cifra&amp;diff=5626&amp;oldid=prev"/>
		<updated>2023-04-30T10:32:08Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Solutie&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 10:32, 30 April 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l22&quot;&gt;Line 22:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 22:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Solutie==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Solutie==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;syntaxhighlight lang=&quot;python&quot; line&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;with open(&amp;quot;aparitiicifra.in&amp;quot;, &amp;quot;r&amp;quot;) as f:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;with open(&amp;quot;aparitiicifra.in&amp;quot;, &amp;quot;r&amp;quot;) as f:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;     n, c = f.readline().split()&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;     n, c = f.readline().split()&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l32&quot;&gt;Line 32:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 33:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;with open(&amp;quot;aparitiicifra.out&amp;quot;, &amp;quot;w&amp;quot;) as f:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;with open(&amp;quot;aparitiicifra.out&amp;quot;, &amp;quot;w&amp;quot;) as f:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;     f.write(str(c_count))&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;     f.write(str(c_count))&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/syntaxhighlight&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Pop Giulia</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=1353_-_Aparitii_Cifra&amp;diff=5051&amp;oldid=prev</id>
		<title>Pop Giulia: Pagină nouă: ==Cerința== Determinaţi numărul de apariţii a unei cifre c în reprezentarea tuturor numerelor mai mici sau egale cu un n dat.  ==Date de intrare== Pe prima linie a fişierului aparitiicifra.in se află numerele n şi c separate prin spaţii.  ==Date de ieșire== Pe prima linie a fişierului aparitiicifra.out se scrie numărul de apariţii a cifrei c în reprezentarea tuturor numerelor mai mici sau egale cu n.  ==Restricții și precizări== 0 &lt; n &lt; 2.000.000.000 0 &lt; c &lt;...</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=1353_-_Aparitii_Cifra&amp;diff=5051&amp;oldid=prev"/>
		<updated>2023-04-27T18:29:11Z</updated>

		<summary type="html">&lt;p&gt;Pagină nouă: ==Cerința== Determinaţi numărul de apariţii a unei cifre c în reprezentarea tuturor numerelor mai mici sau egale cu un n dat.  ==Date de intrare== Pe prima linie a fişierului aparitiicifra.in se află numerele n şi c separate prin spaţii.  ==Date de ieșire== Pe prima linie a fişierului aparitiicifra.out se scrie numărul de apariţii a cifrei c în reprezentarea tuturor numerelor mai mici sau egale cu n.  ==Restricții și precizări== 0 &amp;lt; n &amp;lt; 2.000.000.000 0 &amp;lt; c &amp;lt;...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;==Cerința==&lt;br /&gt;
Determinaţi numărul de apariţii a unei cifre c în reprezentarea tuturor numerelor mai mici sau egale cu un n dat.&lt;br /&gt;
&lt;br /&gt;
==Date de intrare==&lt;br /&gt;
Pe prima linie a fişierului aparitiicifra.in se află numerele n şi c separate prin spaţii.&lt;br /&gt;
&lt;br /&gt;
==Date de ieșire==&lt;br /&gt;
Pe prima linie a fişierului aparitiicifra.out se scrie numărul de apariţii a cifrei c în reprezentarea tuturor numerelor mai mici sau egale cu n.&lt;br /&gt;
&lt;br /&gt;
==Restricții și precizări==&lt;br /&gt;
0 &amp;lt; n &amp;lt; 2.000.000.000&lt;br /&gt;
0 &amp;lt; c &amp;lt; 10&lt;br /&gt;
==Exemplu:==&lt;br /&gt;
aparitiicifra.in&lt;br /&gt;
&lt;br /&gt;
15 1&lt;br /&gt;
aparitiicifra.out&lt;br /&gt;
&lt;br /&gt;
8&lt;br /&gt;
==Explicație==&lt;br /&gt;
Cifra 1 a apărut în numerele 1, 10, 11 (de două ori), 12, 13, 14, 15.&lt;br /&gt;
&lt;br /&gt;
==Solutie==&lt;br /&gt;
with open(&amp;quot;aparitiicifra.in&amp;quot;, &amp;quot;r&amp;quot;) as f:&lt;br /&gt;
    n, c = f.readline().split()&lt;br /&gt;
    c_count = 0&lt;br /&gt;
    for i in range(1, int(n) + 1):&lt;br /&gt;
        for digit in str(i):&lt;br /&gt;
            if digit == c:&lt;br /&gt;
                c_count += 1&lt;br /&gt;
&lt;br /&gt;
with open(&amp;quot;aparitiicifra.out&amp;quot;, &amp;quot;w&amp;quot;) as f:&lt;br /&gt;
    f.write(str(c_count))&lt;/div&gt;</summary>
		<author><name>Pop Giulia</name></author>
	</entry>
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