Created
May 17, 2017 07:45
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Fortran code to generate linked-list by pointer.
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!**************************************************** | |
! 整数値を格納する連結リスト | |
! : pointer を使用する | |
! | |
! date name version | |
! 2017.05.17 mk-mode.com 1.00 新規作成 | |
! | |
! Copyright(C) 2017 mk-mode.com All Rights Reserved. | |
!**************************************************** | |
! | |
program linked_list | |
implicit none | |
type node | |
type (node), pointer :: next_node | |
integer value | |
end type node | |
integer num | |
type (node), pointer :: first_node, new_node, p | |
nullify (first_node) | |
do | |
print *, '0 か正の整数を入力してください(負の整数で終了):' | |
read *, num | |
if (num < 0) exit | |
allocate (new_node) | |
new_node%next_node => first_node | |
new_node%value = num | |
first_node => new_node | |
end do | |
p => first_node | |
print *, "================================" | |
do while (associated(p)) | |
print *, p%value | |
p => p%next_node | |
end do | |
end program linked_list |
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