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	<id>https://wiki.universitas.ro/index.php?action=history&amp;feed=atom&amp;title=0794_-_Serpuire</id>
	<title>0794 - Serpuire - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.universitas.ro/index.php?action=history&amp;feed=atom&amp;title=0794_-_Serpuire"/>
	<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=0794_-_Serpuire&amp;action=history"/>
	<updated>2026-05-02T06:59:02Z</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=0794_-_Serpuire&amp;diff=4315&amp;oldid=prev</id>
		<title>Alexandra Leș: /* Rezolvare */</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=0794_-_Serpuire&amp;diff=4315&amp;oldid=prev"/>
		<updated>2023-04-25T10:08:00Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Rezolvare&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 10:08, 25 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-l65&quot;&gt;Line 65:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 65:&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;     a = [[0 for j in range(n + 1)] for i in range(n + 1)]&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;     a = [[0 for j in range(n + 1)] for i in range(n + 1)]&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;     for i in range(1, n + 1):&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;     for i in range(1, n + 1):&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&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: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;         &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;row &lt;/del&gt;= input().split()&lt;/div&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;rând &lt;/ins&gt;= input().split()&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;         for j in range(1, n + 1):&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;         for j in range(1, n + 1):&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&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: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;             a[i][j] = int(&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;row&lt;/del&gt;[j - 1])&lt;/div&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;             a[i][j] = int(&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;rând&lt;/ins&gt;[j - 1])&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;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;     # Verificăm dacă datele sunt valide și afișăm un mesaj corespunzător&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;     # Verificăm dacă datele sunt valide și afișăm un mesaj corespunzător&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Alexandra Leș</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=0794_-_Serpuire&amp;diff=4250&amp;oldid=prev</id>
		<title>Alexandra Leș: /* Rezolvare */</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=0794_-_Serpuire&amp;diff=4250&amp;oldid=prev"/>
		<updated>2023-04-24T21:50:45Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Rezolvare&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 21:50, 24 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-l60&quot;&gt;Line 60:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 60:&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;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; 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: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;def main()&lt;/del&gt;:&lt;/div&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;if __name__ == &#039;__main__&#039;&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;     # Citim datele de intrare&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;     # Citim datele de intrare&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 = int(input())&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 = int(input())&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Alexandra Leș</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=0794_-_Serpuire&amp;diff=4249&amp;oldid=prev</id>
		<title>Alexandra Leș: Pagină nouă: == Cerinţa == Se dă o matrice cu &#039;&#039;&#039;n&#039;&#039;&#039; linii şi &#039;&#039;&#039;n&#039;&#039;&#039; coloane şi elemente numere naturale. Să se afișeze elementele prin parcurgerea șerpuită a matricei, începând din elementul de pe prima linie și prima coloană, ca în exemplu. == Date de intrare == Programul citește de la tastatură numărul &#039;&#039;&#039;n&#039;&#039;&#039;, iar apoi &#039;&#039;&#039;n*n&#039;&#039;&#039; numere naturale, separate prin spaţii, reprezentând elementele matricei, linie cu linie. == Date de ieşire == Dacă datele sunt introduse...</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=0794_-_Serpuire&amp;diff=4249&amp;oldid=prev"/>
		<updated>2023-04-24T21:49:54Z</updated>

		<summary type="html">&lt;p&gt;Pagină nouă: == Cerinţa == Se dă o matrice cu &amp;#039;&amp;#039;&amp;#039;n&amp;#039;&amp;#039;&amp;#039; linii şi &amp;#039;&amp;#039;&amp;#039;n&amp;#039;&amp;#039;&amp;#039; coloane şi elemente numere naturale. Să se afișeze elementele prin parcurgerea șerpuită a matricei, începând din elementul de pe prima linie și prima coloană, ca în exemplu. == Date de intrare == Programul citește de la tastatură numărul &amp;#039;&amp;#039;&amp;#039;n&amp;#039;&amp;#039;&amp;#039;, iar apoi &amp;#039;&amp;#039;&amp;#039;n*n&amp;#039;&amp;#039;&amp;#039; numere naturale, separate prin spaţii, reprezentând elementele matricei, linie cu linie. == Date de ieşire == Dacă datele sunt introduse...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Cerinţa ==&lt;br /&gt;
Se dă o matrice cu &amp;#039;&amp;#039;&amp;#039;n&amp;#039;&amp;#039;&amp;#039; linii şi &amp;#039;&amp;#039;&amp;#039;n&amp;#039;&amp;#039;&amp;#039; coloane şi elemente numere naturale. Să se afișeze elementele prin parcurgerea șerpuită a matricei, începând din elementul de pe prima linie și prima coloană, ca în exemplu.&lt;br /&gt;
== Date de intrare ==&lt;br /&gt;
Programul citește de la tastatură numărul &amp;#039;&amp;#039;&amp;#039;n&amp;#039;&amp;#039;&amp;#039;, iar apoi &amp;#039;&amp;#039;&amp;#039;n*n&amp;#039;&amp;#039;&amp;#039; numere naturale, separate prin spaţii, reprezentând elementele matricei, linie cu linie.&lt;br /&gt;
== Date de ieşire ==&lt;br /&gt;
Dacă datele sunt introduse corect,pe ecran se va afișa :&amp;#039;&amp;#039;&amp;#039;&amp;quot;Datele sunt introduse corect.&amp;quot;&amp;#039;&amp;#039;&amp;#039;,apoi pe un rând nou elementele din matrice în ordinea cerută, separate prin câte un spațiu.În cazul contrar,se va afișa pe ecran &amp;#039;&amp;#039;&amp;#039;&amp;quot;Datele nu corespund restricțiilor impuse.&amp;quot;&amp;#039;&amp;#039;&amp;#039;.&lt;br /&gt;
== Restricții și precizări ==&lt;br /&gt;
* 1 &amp;amp;les; n &amp;amp;les; 25&lt;br /&gt;
* elementele matricei vor fi mai mici decât 1.000.000&lt;br /&gt;
== Exemplu ==&lt;br /&gt;
; Date de intrare&lt;br /&gt;
: 4&lt;br /&gt;
: 1  3  4 10&lt;br /&gt;
: 2  5  9 11&lt;br /&gt;
: 6  8 12 15&lt;br /&gt;
: 7 13 14 16&lt;br /&gt;
; Date de ieșire&lt;br /&gt;
: Datele sunt introduse corect.&lt;br /&gt;
: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16&lt;br /&gt;
== Rezolvare ==&lt;br /&gt;
&amp;lt;syntaxhighlight lang=&amp;quot;python&amp;quot; line&amp;gt;&lt;br /&gt;
&lt;br /&gt;
def validare_date(n, a):&lt;br /&gt;
    # Verificăm dacă n se află în intervalul dat&lt;br /&gt;
    if n &amp;lt; 1 or n &amp;gt; 25:&lt;br /&gt;
        return False&lt;br /&gt;
&lt;br /&gt;
    # Verificăm dacă toate elementele matricei sunt mai mici decât 1.000.000&lt;br /&gt;
    for i in range(1, n + 1):&lt;br /&gt;
        for j in range(1, n + 1):&lt;br /&gt;
            if a[i][j] &amp;gt;= 1000000:&lt;br /&gt;
                return False&lt;br /&gt;
&lt;br /&gt;
    # Dacă n și elementele matricei sunt valide, returnăm True&lt;br /&gt;
    return True&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
def șerpuire(n, a):&lt;br /&gt;
    rezultat = []&lt;br /&gt;
&lt;br /&gt;
    # Parcurgem matricea în modul cerut&lt;br /&gt;
    for i in range(1, n + 1):&lt;br /&gt;
        if i % 2 == 0:  # in jos&lt;br /&gt;
            for j in range(i, 0, -1):&lt;br /&gt;
                rezultat.append(str(a[j][i - j + 1]))&lt;br /&gt;
        else:  # în sus&lt;br /&gt;
            for j in range(i, 0, -1):&lt;br /&gt;
                rezultat.append(str(a[i - j + 1][j]))&lt;br /&gt;
&lt;br /&gt;
    for j in range(2, n + 1):&lt;br /&gt;
        if j % 2 != n % 2:  # in jos&lt;br /&gt;
            for i in range(n, j - 1, -1):&lt;br /&gt;
                rezultat.append(str(a[n - i + j - 1][i]))&lt;br /&gt;
        else:  # în sus&lt;br /&gt;
            for i in range(n, j - 1, -1):&lt;br /&gt;
                rezultat.append(str(a[i][n - i + j - 1]))&lt;br /&gt;
&lt;br /&gt;
    # Returnăm rezultatul sub forma de șir de caractere cu elementele separate prin spații&lt;br /&gt;
    return &amp;quot; &amp;quot;.join(rezultat)&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
def main():&lt;br /&gt;
    # Citim datele de intrare&lt;br /&gt;
    n = int(input())&lt;br /&gt;
    a = [[0 for j in range(n + 1)] for i in range(n + 1)]&lt;br /&gt;
    for i in range(1, n + 1):&lt;br /&gt;
        row = input().split()&lt;br /&gt;
        for j in range(1, n + 1):&lt;br /&gt;
            a[i][j] = int(row[j - 1])&lt;br /&gt;
&lt;br /&gt;
    # Verificăm dacă datele sunt valide și afișăm un mesaj corespunzător&lt;br /&gt;
    if validare_date(n, a):&lt;br /&gt;
        print(&amp;quot;\nDatele sunt introduse corect.\n&amp;quot;)&lt;br /&gt;
        # Rezolvăm problema și afișăm rezultatul&lt;br /&gt;
        print(șerpuire(n, a))&lt;br /&gt;
    else:&lt;br /&gt;
        print(&amp;quot;Datele nu corespund restrictiilor impuse.&amp;quot;)&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/syntaxhighlight&amp;gt;&lt;/div&gt;</summary>
		<author><name>Alexandra Leș</name></author>
	</entry>
</feed>