$(35\%)$ Consider the following $C++$ code, and answer the questions below.

#include $a,b,c,dd=0b=2c=0(a\%b==0),c=1d++c$;

$(b$

$\{$

$if(a\%b==0),c=1$;

$b+t$;

$\}$

$if(!c)d++$

$\}$

cout $$;