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		<title>C++ Tutorial/map multimap/map swap - История изменений</title>
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		<updated>2026-04-10T18:52:43Z</updated>
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		<title> в 14:21, 25 мая 2010</title>
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				<updated>2010-05-25T14:21:17Z</updated>
		
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		<id>http://cppe.ru/index.php?title=C%2B%2B_Tutorial/map_multimap/map_swap&amp;diff=2092&amp;oldid=prev</id>
		<title>Admin: 1 версия:&amp;#32;Импорт контента...</title>
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				<updated>2010-05-25T10:28:50Z</updated>
		
		<summary type="html">&lt;p&gt;1 версия: Импорт контента...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;==Exchange the contents of two maps==&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
   &lt;br /&gt;
&amp;lt;source lang=&amp;quot;cpp&amp;quot;&amp;gt;#include &amp;lt;iostream&amp;gt;&lt;br /&gt;
#include &amp;lt;string&amp;gt;&lt;br /&gt;
#include &amp;lt;map&amp;gt;&lt;br /&gt;
using namespace std;&lt;br /&gt;
void show(const char *msg, map&amp;lt;string, int&amp;gt; mp);&lt;br /&gt;
int main() {&lt;br /&gt;
  map&amp;lt;string, int&amp;gt; m, m2;&lt;br /&gt;
  m.insert(pair&amp;lt;string, int&amp;gt;(&amp;quot;A&amp;quot;, 100));&lt;br /&gt;
  m.insert(pair&amp;lt;string, int&amp;gt;(&amp;quot;G&amp;quot;, 300));&lt;br /&gt;
  m.insert(pair&amp;lt;string, int&amp;gt;(&amp;quot;B&amp;quot;, 200));&lt;br /&gt;
  // Exchange the contents of m and m2.&lt;br /&gt;
  cout &amp;lt;&amp;lt; &amp;quot;Exchange m and m2.\n&amp;quot;;&lt;br /&gt;
  m.swap(m2);&lt;br /&gt;
  show(&amp;quot;Contents of m: &amp;quot;, m);&lt;br /&gt;
  show(&amp;quot;Contents of m2: &amp;quot;, m2);&lt;br /&gt;
  // Clear m.&lt;br /&gt;
  m.clear();&lt;br /&gt;
  if(m.empty()) cout &amp;lt;&amp;lt; &amp;quot;m is now empty.&amp;quot;;&lt;br /&gt;
  return 0;&lt;br /&gt;
}&lt;br /&gt;
// Display the contents of a map&amp;lt;string, int&amp;gt; by using an iterator.&lt;br /&gt;
void show(const char *msg, map&amp;lt;string, int&amp;gt; mp) {&lt;br /&gt;
  map&amp;lt;string, int&amp;gt;::iterator itr;&lt;br /&gt;
  cout &amp;lt;&amp;lt; msg &amp;lt;&amp;lt; endl;&lt;br /&gt;
  for(itr=mp.begin(); itr != mp.end(); ++itr)&lt;br /&gt;
    cout &amp;lt;&amp;lt; &amp;quot;  &amp;quot; &amp;lt;&amp;lt; itr-&amp;gt;first &amp;lt;&amp;lt; &amp;quot;, &amp;quot; &amp;lt;&amp;lt; itr-&amp;gt;second &amp;lt;&amp;lt; endl;&lt;br /&gt;
  cout &amp;lt;&amp;lt; endl;&lt;br /&gt;
}&amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Admin</name></author>	</entry>

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