From 2468c60b00b200b24a383ecc0fdc5d3cf8721b9f Mon Sep 17 00:00:00 2001 From: Raphael McSinyx Date: Sun, 5 Mar 2017 16:36:48 +0700 Subject: Add 11/Q-2017 --- 11/Q-2017/cau4.scm | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 11/Q-2017/cau4.scm (limited to '11/Q-2017/cau4.scm') diff --git a/11/Q-2017/cau4.scm b/11/Q-2017/cau4.scm new file mode 100644 index 0000000..b9438f5 --- /dev/null +++ b/11/Q-2017/cau4.scm @@ -0,0 +1,11 @@ +(with-input-from-file "CAU4.INP" (lambda () + (with-output-to-file "CAU4.OUT" (lambda () + (define x (list->string (let read-string ((c (read-char))) + (if (or (eof-object? c) (char-ci=? c #\newline)) + '() + (cons c (read-string (read-char))))))) + (let find-palin ((i 0)) + (if ((lambda (s) (string-ci=? (string-reverse s) s)) + (string-copy x i (string-length x))) + (format #t "~a\n~a~a\n" i x (string-reverse (string-copy x 0 i))) + (find-palin (+ i 1)))))))) -- cgit 1.4.1