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Ingy döt Net 2026-02-01 16:33:20 -08:00
parent 5150844a7d
commit 4bb20c9b71
7735 changed files with 38060 additions and 199180 deletions
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34
Task/Long-year/Ada/long-year.ada
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-------------------------------------------------------------
-- Calculate long years
-- Reference: https://en.wikipedia.org/wiki/ISO_week_date#Weeks_per_year
-------------------------------------------------------------
with Ada.Text_IO; use Ada.Text_IO;
with Ada.Calendar; use Ada.Calendar;
with Ada.Calendar.Formatting; use Ada.Calendar.Formatting;
procedure Main is
First_Day : Time;
Last_Day : Time;
package AC renames Ada.Calendar;
type Counter is mod 10;
Count : Counter := 0;
begin
for Yr in Year_Number loop
First_Day := AC.Time_Of (Year => Yr, Month => 1, Day => 1);
Last_Day := AC.Time_Of (Year => Yr, Month => 12, Day => 31);
-- If Jan 1 is Thursday or Dec 31 is Thursday then
-- the year is a long year
if Day_Of_Week (First_Day) = Thursday
or else Day_Of_Week (Last_Day) = Thursday
then
if Count = 0 then
New_Line;
end if;
Put (Yr'Image);
Count := Count + 1;
end if;
end loop;
end Main;