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  1. (defun fibseq (length &optional (a0 0) (a1 1))
  2.   (loop repeat length
  3.         collect (shiftf a0 a1 (+ a0 a1))))
  4.  
  5. (defun remove-nth (n list)
  6.   (if (eql n 0)
  7.       (cdr list)
  8.       (nconc (subseq list 0 n)
  9.              (nthcdr (1+ n) list))))
  10.  
  11. (defun odai-pt8-617 (n s)
  12.   (if (eql n 0)
  13.       (list 0)
  14.       (labels ((rec (s)
  15.                  (if (= (apply #'+ s) n)
  16.                      s
  17.                      (loop for i from (- (length s) 1) downto 0
  18.                            for a = (rec (remove-nth i s))
  19.                            when a
  20.                              do (return a)))))
  21.         (rec s))))
  22.  
  23. (let ((seq (fibseq 42 1))
  24.       (start 1)
  25.       (end 1000))
  26.   (loop for n from start to end
  27.         do (format t "~D ---> ~{~D~^,~}~%" n (odai-pt8-617 n seq))))
  28.  
Time limit exceeded #stdin #stdout 5s 535040KB
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1 ---> 1
2 ---> 1,1
3 ---> 1,2
4 ---> 1,1,2
5 ---> 1,1,3
6 ---> 1,2,3
7 ---> 1,1,2,3
8 ---> 1,2,5
9 ---> 1,1,2,5
10 ---> 1,1,3,5
11 ---> 1,2,3,5
12 ---> 1,1,2,3,5
13 ---> 1,1,3,8
14 ---> 1,2,3,8
15 ---> 1,1,2,3,8
16 ---> 1,2,5,8
17 ---> 1,1,2,5,8
18 ---> 1,1,3,5,8
19 ---> 1,2,3,5,8
20 ---> 1,1,2,3,5,8
21 ---> 1,2,5,13
22 ---> 1,1,2,5,13
23 ---> 1,1,3,5,13
24 ---> 1,2,3,5,13
25 ---> 1,1,2,3,5,13
26 ---> 1,1,3,8,13
27 ---> 1,2,3,8,13
28 ---> 1,1,2,3,8,13
29 ---> 1,2,5,8,13
30 ---> 1,1,2,5,8,13
31 ---> 1,1,3,5,8,13
32 ---> 1,2,3,5,8,13
33 ---> 1,1,2,3,5,8,13
34 ---> 1,1,3,8,21
35 ---> 1,2,3,8,21
36 ---> 1,1,2,3,8,21
37 ---> 1,2,5,8,21
38 ---> 1,1,2,5,8,21
39 ---> 1,1,3,5,8,21
40 ---> 1,2,3,5,8,21
41 ---> 1,1,2,3,5,8,21
42 ---> 1,2,5,13,21
43 ---> 1,1,2,5,13,21
44 ---> 1,1,3,5,13,21
45 ---> 1,2,3,5,13,21
46 ---> 1,1,2,3,5,13,21
47 ---> 1,1,3,8,13,21
48 ---> 1,2,3,8,13,21
49 ---> 1,1,2,3,8,13,21
50 ---> 1,2,5,8,13,21
51 ---> 1,1,2,5,8,13,21
52 ---> 1,1,3,5,8,13,21
53 ---> 1,2,3,5,8,13,21
54 ---> 1,1,2,3,5,8,13,21
55 ---> 1,2,5,13,34
56 ---> 1,1,2,5,13,34
57 ---> 1,1,3,5,13,34
58 ---> 1,2,3,5,13,34
59 ---> 1,1,2,3,5,13,34
60 ---> 1,1,3,8,13,34
61 ---> 1,2,3,8,13,34
62 ---> 1,1,2,3,8,13,34
63 ---> 1,2,5,8,13,34
64 ---> 1,1,2,5,8,13,34
https://ideone.com/A0NXTP
language:
Common Lisp (clisp 2.49.92)
created:
9 years ago
visibility:
public

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