{"id":4419,"date":"2012-10-22T16:44:57","date_gmt":"2012-10-22T14:44:57","guid":{"rendered":"http:\/\/daniel.haxx.se\/blog\/?p=4419"},"modified":"2024-10-22T10:54:05","modified_gmt":"2024-10-22T08:54:05","slug":"embedded-linux-contest","status":"publish","type":"post","link":"https:\/\/daniel.haxx.se\/blog\/2012\/10\/22\/embedded-linux-contest\/","title":{"rendered":"Embedded Linux Contest"},"content":{"rendered":"\n<p>During our embedded <a href=\"http:\/\/daniel.haxx.se\/blog\/2012\/10\/22\/embedded-linux-hacking-day\/\">Linux hacking event in Stockholm on October 20th<\/a> I ran a little contest for the ones who wanted to participate. I created it entirely by myself to allow as many people as possibly to participate with them knowing me or me knowing them etc limiting the fun.<\/p>\n\n\n\n<p>For your amusement I include the full contest here. If you want to try it out, then make sure you don&#8217;t attempt to google for any answers or otherwise use a machine\/computer as a help.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"384\" src=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img1.png\" alt=\"img1\" class=\"wp-image-4420\" title=\"img1\" srcset=\"https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img1.png 512w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img1-150x112.png 150w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img1-300x225.png 300w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img2.png\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"384\" src=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img2.png\" alt=\"img2\" class=\"wp-image-4421\" title=\"img2\" srcset=\"https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img2.png 512w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img2-150x112.png 150w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img2-300x225.png 300w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img3.png\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"384\" src=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img3.png\" alt=\"img3\" class=\"wp-image-4425\" title=\"img3\" srcset=\"https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img3.png 512w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img3-150x112.png 150w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img3-300x225.png 300w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Here I just want to mention that, as is shown in the above example question, &#8216;<strong>ace<\/strong>&#8216; is the correct character sequence and the letters should then be kept in that order in the final question. Also note that a character sequence can legally contain a dash as well. You will get 16 similar sequences of 1 to 3 letters, and those 16 sequences should be moved around to form the 17th question.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img4.png\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"384\" src=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img4.png\" alt=\"img4\" class=\"wp-image-4426\" title=\"img4\" srcset=\"https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img4.png 512w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img4-150x112.png 150w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/img4-300x225.png 300w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>&#8230; at this point I fired off all the questions one by one at about 15-20 seconds per question. In this blog post I&#8217;ll take a shortcut and instead show you the final page I made that showed all questions at once, which I then left displayed for the remainder of the competition time. Click the image to get a full resolution version that is perfectly readable:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d0edbb0decc&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69d0edbb0decc\" class=\"aligncenter wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/allqs-300x225.png\" alt=\"all questions at once\" class=\"wp-image-4428\" title=\"all questions at once\" srcset=\"https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/allqs-300x225.png 300w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/allqs-150x112.png 150w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/allqs-1024x768.png 1024w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/allqs.png 1600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center\"><\/p>\n\n\n\n<p class=\"has-text-align-center\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright\"><a href=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/the-winners.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"238\" height=\"300\" src=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/the-winners-238x300.jpg\" alt=\"the winners of the contest\" class=\"wp-image-4439\" title=\"the winners of the contest\" srcset=\"https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/the-winners-238x300.jpg 238w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/the-winners-119x150.jpg 119w, https:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/the-winners.jpg 508w\" sizes=\"auto, (max-width: 238px) 100vw, 238px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p>My take away from this contest is that it was harder than I anticipated and took a longer time to crack than I thought. I gave away a few additional clues and hints as the time went by, but in the end I believe there were several persons who were very close to breaking it at almost the same time. In the end, <strong>Klas and Jonas<\/strong> presented the correct answer first and won the bottle of Champagne. I&#8217;m sure you appreciate their efforts after having tried this yourself!<\/p>\n\n\n\n<p>The answers? Are you really sure? The correct answers and the final question with its <a href=\"http:\/\/daniel.haxx.se\/blog\/wp-content\/uploads\/2012\/10\/allqs-withanswers.png\">answer is available<\/a>&#8230;<\/p>\n\n\n\n<p>I had a great time creating the competition and I believe the competitors appreciated it.<\/p>\n\n\n\n<p><strong>Additional trivia: <\/strong>I created the letter sequences for the other alternatives by writing other&nbsp;English&nbsp;phrases and chopped them up, so that they were from actual English and hence possibly more believable.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>During our embedded Linux hacking event in Stockholm on October 20th I ran a little contest for the ones who wanted to participate. I created it entirely by myself to allow as many people as possibly to participate with them knowing me or me knowing them etc limiting the fun. For your amusement I include &hellip; <a href=\"https:\/\/daniel.haxx.se\/blog\/2012\/10\/22\/embedded-linux-contest\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Embedded Linux Contest<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,14,6],"tags":[361,29,270],"class_list":["post-4419","post","type-post","status-publish","format-standard","hentry","category-development","category-linux","category-floss","tag-contest","tag-embedded-linux","tag-foss-sthlm"],"_links":{"self":[{"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/posts\/4419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/comments?post=4419"}],"version-history":[{"count":20,"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/posts\/4419\/revisions"}],"predecessor-version":[{"id":25701,"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/posts\/4419\/revisions\/25701"}],"wp:attachment":[{"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/media?parent=4419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/categories?post=4419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/tags?post=4419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}