5 lines
207 B
Common Lisp
5 lines
207 B
Common Lisp
(DEFUN LEAP-YEARP (YEAR)
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(AND (= (MOD YEAR 4) 0) (OR (/= (MOD YEAR 100) 0) (= (MOD YEAR 400) 0))))
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; Test the function
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(DISPLAY (MAPCAR LEAP-YEARP '(1600 1640 1800 1928 1979 1990 2000 2004 2005 2016)))
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