結果

問題 No.526 フィボナッチ数列の第N項をMで割った余りを求める
コンテスト
ユーザー Common Lisp
提出日時 2024-10-30 12:55:34
言語 Common Lisp
(sbcl 2.5.0)
結果
AC  
実行時間 10 ms / 2,000 ms
コード長 505 bytes
コンパイル時間 529 ms
コンパイル使用メモリ 35,264 KB
実行使用メモリ 29,860 KB
最終ジャッジ日時 2024-10-30 12:55:36
合計ジャッジ時間 1,677 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge1
このコードへのチャレンジ
（要ログイン）
ファイルパターン 結果
sample AC * 3
other AC * 12
権限があれば一括ダウンロードができます
コンパイルメッセージ
; compiling file "/home/judge/data/code/Main.lisp" (written 30 OCT 2024 12:55:34 PM):

; file: /home/judge/data/code/Main.lisp
; in: DEFUN FIB
;     (ZEROP C)
; 
; note: unable to
;   open-code FLOAT to RATIONAL comparison
; due to type uncertainty:
;   The first argument is a NUMBER, not a SINGLE-FLOAT.
; 
; note: unable to
;   open-code FLOAT to RATIONAL comparison
; due to type uncertainty:
;   The first argument is a NUMBER, not a DOUBLE-FLOAT.
; 
; note: unable to
;   open-code FLOAT to RATIONAL comparison
; due to type uncertainty:
;   The first argument is a NUMBER, not a (COMPLEX SINGLE-FLOAT).
; 
; note: unable to
;   open-code FLOAT to RATIONAL comparison
; due to type uncertainty:
;   The first argument is a NUMBER, not a (COMPLEX DOUBLE-FLOAT).
; 
; note: unable to open code because: The operands might not be the same type.

;     (MOD B M)
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a REAL, not a SINGLE-FLOAT.
;   The second argument is a REAL, not a (OR SINGLE-FLOAT INTEGER).
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a REAL, not a DOUBLE-FLOAT.
;   The second argument is a REAL, not a (OR FLOAT INTEGER).
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a REAL, not a INTEGER.
;   The second argument is a REAL, not a INTEGER.

;     (MOD (+ (* P P) (* Q Q)) M)
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a REAL, not a SINGLE-FLOAT.
;   The second argument is a REAL, not a (OR SINGLE-FLOAT INTEGER).
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a REAL, not a DOUBLE-FLOAT.
;   The second argument is a REAL, not a (OR FLOAT INTEGER).
; 
; note: unable to
;   optimize
; due to type uncertainty:
;   The first argument is a REAL, not a INTEGER.
;   The second argument is a REAL, not a INTEGER.

;     (* 2 P Q)
; 
; note: unable to
;   optimize
; due to ty

ソースコード

diff # 

(declaim (optimize (speed 3) (safety 0)))
(defun fib (n m)
  (labels ((rec (a b c p q)
    (cond
      ((zerop c)
        (mod b m))
      ((evenp c)
        (rec a b (floor c 2) (mod (+ (* p p) (* q q)) m) (mod (+ (* 2 p q) (* q q)) m)))
      (t
        (rec (mod (+ (* b q) (* a q) (* a p)) m) (mod (+ (* b p) (* a q)) m) (1- c) p q)))))
    (rec 1 0 n 0 1)))

(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((n (read))
         (m (read)))
    (format t "~D~%" (fib (1- n) m))))

(main)
0