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下列程序的運(yùn)行結(jié)果是（）。 
Program main
   implicit none 
   integer, target :: a=1   
   integer, pointer :: p
       p=>a
       p=3
   write(*,*)a 
end

下列程序的運(yùn)行結(jié)果是（）。 
Program main 
 implicit none
 integer ::a=1
   integer ::b=2
 call add ( a )
   Call add ( b)
 Write(*,*) a , b
 Stop
  end 
Subroutine  add (sum) 
Implicit none 
integer :: sum
   sum=sum+1 
Return 
end