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int* ptr = &x;
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int&amp; ref = x;
cout <p><strong>ÒªÁì 3£ºÊ¹ÓõصãÔËËã·û (&amp;)</strong></p><p>&amp; ÔËËã·û¿ÉÓÃÓÚ»ñÈ¡±äÁ¿µÄµØµãÖµ¡£¸ÃÔËËã·û½«·µ»ØÖ¸Ïò±äÁ¿µÄÖ¸Õë¡£ÈçÏÂÀýËùʾ£º</p><pre class="brush:php;toolbar:false">int x = 10;
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