Created
September 18, 2017 18:29
-
-
Save MarkShulhin/b721d625b1007ef725480733b351a134 to your computer and use it in GitHub Desktop.
Scheme lab 2
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#lang scheme | |
(define myexp '(((a.1) b (c.2) D) (((e.3) 4 (5.6))(f.7)) | |
((9.8) 29 h ((10.I) (11.J) K 12)) | |
(((13.L) (d (14.m))) (15 (n.16))) | |
((Q (17.18) ((p.19) r) 88) 20) | |
99 z)) | |
(display "Количество елементов главного списка: ") | |
(length myexp) | |
;(car(cadaar(cdddr myexp))) = d | |
;(cdr(car(cddr(caar(cddddr myexp))))) = r | |
;(cadr(cddr(caar(cddddr myexp)))) = 88 | |
(display "Новый список из е1, е2, е3 : ") | |
(cons (car(cadaar(cdddr myexp))) (cons (cdr(car(cddr(caar(cddddr myexp))))) (cons (cadr(cddr(caar(cddddr myexp)))) null))) | |
;разьеденить пару (1.2) | |
;(let ((x '(1 . 2))) | |
; (cons (car x) (cons (cdr x) null))) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment