foo.c: In function 'main':
foo.c:5:17: warning: missing braces around initializer [-Wmissing-braces]
     int a[2][3]={1,2,3,4,5,6};
                 ^
                  {    }{    }
foo.c:7:3: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
  p=a[0];
   ^

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