12 lines
512 B
Scheme
12 lines
512 B
Scheme
(with-input-from-file "CAU4.INP" (lambda ()
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(with-output-to-file "CAU4.OUT" (lambda ()
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(define x (list->string (let read-string ((c (read-char)))
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(if (or (eof-object? c) (char=? c #\newline))
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'()
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(cons c (read-string (read-char)))))))
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(let find-palin ((i 0))
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(if ((lambda (s) (string=? (string-reverse s) s))
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(string-copy x i (string-length x)))
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(format #t "~a\n~a~a\n" i x (string-reverse (string-copy x 0 i)))
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(find-palin (+ i 1))))))))
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