> The contest was initially inspired by Daniel Horn’s Obfuscated V contest in the fall of 2004 (note: the original page is long gone, and this link goes to a snapshot from archive.org). The object of that contest was to write a simple program to count votes, that somehow miscounts the votes on election day. I was greatly impressed to see how even a short program to simply count characters in a text file can be made to fail, and fail only on one specific day, so that the bug isn't noticed in testing.<p><a href="https://underhanded-c.org/_page_id_7.html" rel="nofollow">https://underhanded-c.org/_page_id_7.html</a>
The original page actually loads fine, maybe was restored later?<p>I looked through a few trying not to read the short description and missed a lot of simple things, really makes you think...<p><a href="https://graphics.stanford.edu/~danielh/vote/vote.html" rel="nofollow">https://graphics.stanford.edu/~danielh/vote/vote.html</a>