{"id":9163,"date":"2022-09-17T12:31:40","date_gmt":"2022-09-17T07:01:40","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-the-result-of-my-code-is-zero-and-i-dont-know-why\/"},"modified":"2022-09-17T12:31:40","modified_gmt":"2022-09-17T07:01:40","slug":"solved-the-result-of-my-code-is-zero-and-i-dont-know-why","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-the-result-of-my-code-is-zero-and-i-dont-know-why\/","title":{"rendered":"[Solved] The result of my code is zero and I don&#8217;t know why"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-54879402\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"54879402\" data-parentid=\"54879100\" data-score=\"0\" 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>I found 2 mistakes &#8211; Your answer is coming to be 0 always because in the array [4,7,8,9] 9 is the largest biggest non prime number and there is no prime number greater than 9 in your array.<br \/>\nif the input array is [4,7,8,9,11] the output is 11 as 11 is smallest prime number greater than 9.<\/p>\n<p>Second mistake instead of using this<\/p>\n<pre><code>if(CheckPrimeNum(a[i])==2 &amp;&amp; a[i]&gt; BiggestNotPrime(a,n))\n            SmallestPrimeLocation =i;\n            break;\n<\/code><\/pre>\n<p>You should be using <\/p>\n<pre><code> if(CheckPrimeNum(a[i])==2 &amp;&amp; a[i]&gt; BiggestNotPrime(a,n))\n {       SmallestPrimeLocation =i;\n         break;\n }\n<\/code><\/pre>\n<p>This is because your break statement was oustide if condition and loop was getting executed just once.<\/p>\n<p>However you have complicated a simple task, a simpler code can be something like this<br \/>\nWorking code-<\/p>\n<pre><code>#include &lt;bits\/stdc++.h&gt;\nusing namespace std;\n\nvoid TypeIn(int a[] ,int &amp;n)\n    {\n            cout&lt;&lt; \"\\nType in n: \";\n            cin &gt;&gt; n;\n            for(int i=0; i&lt;n; i++)\n                {\n                cout &lt;&lt; \"a[\" &lt;&lt; i &lt;&lt; \"]= \";\n                cin &gt;&gt; a[i];\n                }\n    }\nbool isPrime(int n) \n{ \n    \/\/ Corner case \n    if (n &lt;= 1)  return false; \n\n    \/\/ Check from 2 to n-1 \n    for (int i=2; i&lt;n; i++) \n        if (n%i == 0) \n            return false; \n\n    return true; \n} \nint BiggestNotPrime(int a[], int n)\n{\n    int BiggestNotPrimeNum =0;\n    for( int i=0; i&lt;n; i++)\n    {\n        if(!isPrime(a[i]))\n        {\n             BiggestNotPrimeNum = a[i];\n        }\n    }\n\n    return BiggestNotPrimeNum;\n}\n\nint main()\n{\n\n    int n;\n    int a[100];\n    TypeIn(a,n);\n    \/\/sorting the array is important\n    sort(a,a+n);\n    int SmallestPrimeLocation =-1;\n    int BiggestNotPrimeNum =  BiggestNotPrime(a,n);\n    for(int i=0; i&lt;n; i++)\n        {\n        if(a[i]&gt; BiggestNotPrimeNum &amp;&amp; isPrime(a[i]))\n        {\n             SmallestPrimeLocation =i;\n            break;\n        }\n\n    }\n    if(SmallestPrimeLocation ==-1)\n    {\n        cout &lt;&lt; \"No number found\"&lt;&lt;endl;\n    }\n    else\n    {\n        cout&lt;&lt;a[SmallestPrimeLocation]&lt;&lt;endl;\n    }\n\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved The result of my code is zero and I don&#8217;t know why <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] I found 2 mistakes &#8211; Your answer is coming to be 0 always because in the array [4,7,8,9] 9 is the largest biggest non prime number and there is no prime number greater than 9 in your array. if the input array is [4,7,8,9,11] the output is 11 as 11 is smallest prime number &#8230; <a title=\"[Solved] The result of my code is zero and I don&#8217;t know why\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-the-result-of-my-code-is-zero-and-i-dont-know-why\/\" aria-label=\"More on [Solved] The result of my code is zero and I don&#8217;t know why\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324],"class_list":["post-9163","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] The result of my code is zero and I don&#039;t know why - 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-the-result-of-my-code-is-zero-and-i-dont-know-why\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] The result of my code is zero and I don&#039;t know why - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I found 2 mistakes &#8211; Your answer is coming to be 0 always because in the array [4,7,8,9] 9 is the largest biggest non prime number and there is no prime number greater than 9 in your array. if the input array is [4,7,8,9,11] the output is 11 as 11 is smallest prime number ... 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