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1.module typedef 2. implicit none 3. type :: datalink 4. integer :: i 5. type(datalink), pointer :: next 6. end type datalink 7.end module typedef 8. 9.program ex1012 10. use typedef 11. implicit none 12. type(datalink) , pointer :: p, head 13. integer :: i,n,err 14. 15. write(*,*) 'Input N:' 16. read(*,*) n 17. 18. allocate( head ) 19. head%i=1 20. nullify(head%next) 21. 22. p=>head 23. do i=2,n 24. allocate( p%next, stat=err ) 25. if ( err /= 0 ) then 26. write(*,*) 'Out of memory!' 27. stop 28. end if 29. p=>p%next 30. p%i=i 31. end do 32. nullify(p%next) 33. 34. p=>head 35. do while(.true.) 36. write(*, "(i5)" ) p%i 37. if ( .not. associated(p%next) ) exit 38. p=>p%next 39. end do 40. 41. stop 42.end program ÕâÊÇ×Ô¶¯´´½¨´®ÐеijÌÐò¡£Ö÷ÒªÊÇ12Ðе½32£¬ÔõôҲ¶Á²»¶®£¬ÓÐûÓиßÈËÖ¸µãһϣ¿£¿Ð»Ð»ÁË |
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