定义：<span style="font-weight:bold;font-family:SimSun" lang="zh-CN">类型名</span><span style="font-weight:bold;font-family:Calibri" lang="en-US"> </span><span style="font-weight:bold;font-family:SimSun" lang="zh-CN">数组名</span><span style="font-weight:bold;text-decoration:underline;font-family:Calibri" lang="en-US">[</span><span style="font-weight:bold;text-decoration:underline;
font-family:SimSun" lang="zh-CN">常量表达式</span><span style="font-weight:bold;
text-decoration:underline;font-family:Calibri" lang="en-US">1] [</span><span style="font-weight:bold;text-decoration:underline;font-family:SimSun" lang="zh-CN">常量表达式</span><span style="font-weight:bold;text-decoration:underline;
font-family:Calibri" lang="en-US">2]</span><span style="font-weight:bold;
font-family:SimSun" lang="zh-CN">；</span>
初始化
int a[2][3]={1,2,3}{4,5,6};
int a[2][3]={{1,2,3},{4,5,6}};
