Problem 1877. Friday the 13th

Created by Kevin Hellemans

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83 Solutions
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Last Solution submitted on Oct 24, 2022

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Solution 320266

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Sean de Wolski on 17 Sep 2013

Ahh European dates!

Kevin Hellemans on 17 Sep 2013

It makes more sense. Just like the metric system :)

Tim on 17 Sep 2013

Actually, the unambiguously correct way to write dates is yyyy/mm/dd, because more significant digits always go to the left. This also allows a simple ASCII sort to sort them correctly.

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