Data commit

Task/Leap-year/DWScript/leap-year.dw

@@ -0,0 +1,21 @@
+function IsLeapYear(y : Integer) : Boolean;
+begin
+   Result:=    (y mod 4 = 0)
+           and (   ((y mod 100) <> 0)
+                or ((y mod 400) = 0) );
+end;
+
+const good : array [0..13] of Integer =
+   [1600,1660,1724,1788,1848,1912,1972,2032,2092,2156,2220,2280,2344,2348];
+const bad : array [0..13] of Integer =
+   [1698,1699,1700,1750,1800,1810,1900,1901,1973,2100,2107,2200,2203,2289];
+
+var i : Integer;
+
+PrintLn('Checking leap years');
+for i in good do
+   if not IsLeapYear(i) then PrintLn(i);
+
+PrintLn('Checking non-leap years');
+for i in bad do
+   if IsLeapYear(i) then PrintLn(i);