变量实验1.cpp

<p class="MsoNormal" style="background: rgb(255,255,255); text-align: left; margin: 5pt 0pt; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan"><span style="font-size: 9pt; font-family: Arial; color: rgb(0,0,0); mso-spacerun: 'yes'; mso-font-kerning: 0.0000pt">让我们设想这样一个例子，我要求你在脑子里记住<font face="Arial">5</font><font face="宋体">这个数字，然后再记住</font><font face="Arial">2</font><font face="宋体">这个数字。你已经存储了两个数值在你的记忆里。现在我要求你在我说的第一个数值上加</font><font face="Arial">1</font><font face="宋体">，你应该保留</font><font face="Arial">6 </font><font face="宋体">（即</font><font face="Arial">5+1</font><font face="宋体">）和</font><font face="Arial">2</font><font face="宋体">在你的记忆里。现在如果我们将两数相减可以得到结果</font><font face="Arial">4</font><font face="宋体">。</font></span><span style="font-size: 9pt; font-family: Arial; color: rgb(0,0,0); mso-spacerun: 'yes'; mso-font-kerning: 0.0000pt"><o:p></o:p></span></p> <p class="MsoNormal" style="background: rgb(255,255,255); text-align: left; margin: 5pt 0pt; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan"><span style="font-size: 9pt; font-family: Arial; color: rgb(0,0,0); mso-spacerun: 'yes'; mso-font-kerning: 0.0000pt">所有这些你在脑子里做的事情与计算机用两个变量可以做的事情非常相似。同样的处理过程用<font face="Arial">C++</font><font face="宋体">来表示可以写成下面一段代码：</font></span></p> <p class="MsoNormal" style="background: rgb(255,255,255); text-align: left; margin: 5pt 0pt; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan"><span style="font-size: 9pt; font-family: Arial; color: rgb(0,0,0); mso-spacerun: 'yes'; mso-font-kerning: 0.0000pt"><font face="宋体">请提交以下代码</font></span></p> <p class="MsoNormal" style="background: rgb(255,255,255); text-align: left; margin: 5pt 0pt; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan"><span style="font-size: 9pt; font-family: Arial; color: rgb(0,0,0); mso-spacerun: 'yes'; mso-font-kerning: 0.0000pt"><font face="宋体"><img alt="" width="396" height="384" src="http://tk.hustoj.com/upload/201607/变量实验1.png" /></font></span></p>