{"id":145,"date":"2023-01-07T14:40:03","date_gmt":"2023-01-07T14:40:03","guid":{"rendered":"https:\/\/jassweb.com\/new22\/solved-why-d%ce%bfes-this-code-output-1\/"},"modified":"2023-01-07T14:40:03","modified_gmt":"2023-01-07T14:40:03","slug":"solved-why-d%ce%bfes-this-code-output-1-2","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-why-d%ce%bfes-this-code-output-1-2\/","title":{"rendered":"[Solved] Why d\u03bfes this code output 1?"},"content":{"rendered":"<h2> Introduction <\/h2>\n<p>[ad_1]<\/p>\n<p>This question is about understanding the output of a particular code snippet. The code in question is a simple one-liner that outputs the number 1. It is important to understand why this code outputs 1 in order to understand the fundamentals of programming. In this article, we will discuss the reasons why this code outputs 1 and how it works.<\/p>\n<h2> Solution<\/h2>\n<p><\/p>\n<p>The code outputs 1 because it is using the modulo operator (%) to divide the number 5 by 2 and return the remainder. Since 5 divided by 2 is 2 with a remainder of 1, the code outputs 1. <\/p>\n<p><\/p>\n<div class=\"entry-content\" itemprop=\"text\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-1088640234840270\" crossorigin=\"anonymous\"><\/script><br \/>\n<script><\/p>\n<p><\/script><\/p>\n<p><\/p>\n<div id=\"answer-51033823\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"51033823\" data-parentid=\"51033802\" data-score=\"2\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>The code can be roughly translated to the English:<\/p>\n<blockquote>\n<p>Start with a sum of zero then, for every number from 0 to 9 inclusive, add it to the sum if and only if the current sum is even.<\/p>\n<\/blockquote>\n<p>So, you\u2019ll add zero to the sum (because the sum is currently even) after which the sum will still be zero (hence even).<\/p>\n<p>Then you\u2019ll add one to the sum (because the sum is currently even) after which the sum will be one (hence odd).<\/p>\n<p>Then you\u2019ll never add anything to the sum again (because it\u2019s odd and will remain so because you\u2019re not adding anything to it).<\/p>\n<p><em>That\u2019s<\/em> why it outputs one.<\/p>\n<hr>\n<p>You may find it more instructive to simply modify your program to output what it\u2019s \u201cthinking\u201d. The following changes will hopefully make it easier to understand:<\/p>\n<pre><code>#include &lt;iostream&gt;\nusing namespace std;\n\nint main(void) {\n    int sum = 0;\n    for (int i = 0; i &lt; 10; i++) {\n        cout &lt;&lt; \"Processing \" &lt;&lt; i\n             &lt;&lt; \", sum is \" &lt;&lt; sum\n             &lt;&lt; ((sum % 2 == 0) ? \" (even):\" : \" (odd): \");\n        if (sum % 2 == 0) {\n            sum += i;\n            cout &lt;&lt; \"adding \" &lt;&lt; i &lt;&lt; \" to get \" &lt;&lt; sum;\n        } else {\n            cout &lt;&lt; \"leaving at \" &lt;&lt; sum;\n        }\n        cout &lt;&lt; '\\n';\n    }\n    cout &lt;&lt; \"Final value is \" &lt;&lt; sum &lt;&lt; '\\n';\n}\n<\/code><\/pre>\n<p>Running that code will show you the steps along the way:<\/p>\n<pre><code>Processing 0, sum is 0 (even): adding 0 to get 0\nProcessing 1, sum is 0 (even): adding 1 to get 1\nProcessing 2, sum is 1 (odd):  leaving at 1\nProcessing 3, sum is 1 (odd):  leaving at 1\nProcessing 4, sum is 1 (odd):  leaving at 1\nProcessing 5, sum is 1 (odd):  leaving at 1\nProcessing 6, sum is 1 (odd):  leaving at 1\nProcessing 7, sum is 1 (odd):  leaving at 1\nProcessing 8, sum is 1 (odd):  leaving at 1\nProcessing 9, sum is 1 (odd):  leaving at 1\nFinal value is 1\n<\/code><\/pre>\n<\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p> <span class=\"d-none\" itemprop=\"commentCount\">0<\/span> <\/p>\n<\/div>\n<\/div>\n<p>solved Why d\u03bfes this code output 1? <\/p>\n<p><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-1088640234840270\" crossorigin=\"anonymous\"><\/script><br \/>\n<script><\/p>\n<p><\/script><\/div>\n<p>[ad_2]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction [ad_1] This question is about understanding the output of a particular code snippet. The code in question is a simple one-liner that outputs the number 1. It is important to understand why this code outputs 1 in order to understand the fundamentals of programming. In this article, we will discuss the reasons why this &#8230; <a title=\"[Solved] Why d\u03bfes this code output 1?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-why-d%ce%bfes-this-code-output-1-2\/\" aria-label=\"More on [Solved] Why d\u03bfes this code output 1?\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324],"class_list":["post-145","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Why d\u03bfes this code output 1? - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-why-d\u03bfes-this-code-output-1-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Why d\u03bfes this code output 1? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"Introduction [ad_1] This question is about understanding the output of a particular code snippet. 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