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lune-sta/gist:3311530

Created August 10, 2012 05:59
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Project Euler 19-2
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gistfile1.txt
require 'date'
st = Date::new(1901, 1, 1)
en = Date::new(2000, 12, 31)
count = 0
while st != en
count += 1 if st.day == 1 && st.wday == 0
st += 1
end
p count # 171
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