{"id":16329,"date":"2022-10-15T05:45:20","date_gmt":"2022-10-15T00:15:20","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-checking-if-a-number-is-a-simber\/"},"modified":"2022-10-15T05:45:20","modified_gmt":"2022-10-15T00:15:20","slug":"solved-checking-if-a-number-is-a-simber","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-checking-if-a-number-is-a-simber\/","title":{"rendered":"[Solved] Checking if a number is a Simber"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-32390469\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"32390469\" data-parentid=\"32389627\" 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<ol>\n<li>\n<p>Your code has <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/ideone.com\/BiqsE6\">compilation errors<\/a>.<\/p>\n<\/li>\n<li>\n<p><code>^<\/code> is <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/www.tutorialspoint.com\/cprogramming\/c_bitwise_operators.htm\">Binary XOR Operator<\/a>. You can&#8217;t expect it to produce <code>pow(10,i)<\/code>. So replace <code>nmbrs.push_back(((n\/10^i) % 10);<\/code> with <code>nmbrs.push_back(((n\/pow(10,i)) % 10);<\/code> <\/p>\n<\/li>\n<li>\n<p>When I was able to remove the compilation errors, i realized your code has logical errors too. As your given definition of simber, <code>int is_simber(int n)<\/code> should be fair and simple.<\/p>\n<\/li>\n<\/ol>\n<pre class=\"lang-cpp prettyprint-override\"><code>bool is_simber( int n )\n{\n    if ( n&lt;0 ) return false; \/\/ simber is a positive integer\n\n    int digitCount[10] = {}; \/\/ initializing all with 0;\n    \/\/ digitCount array holds the number of occurance of a digit\n    \/\/ so d[1] holds the number of times 1 occurred\n    \/\/ d[2] holds the number of times 2 occurred and so on ... \n\n    while( n ){\n        int d = n%10;\n        n \/= 10;\n        digitCount[d]++;\n    }\n\n    \/\/ we just have to check \n    \/\/ any odd digit, if present, occurs an odd number of times\n\n    for( int i=1; i&lt;=9; i= i+2) \/\/ Attention i=i+2, to iterate over just odd numbers\n    {\n        if( digitCount[i] != 0 &amp;&amp; digitCount[i]%2 == 0 ) return false;\n    }\n    return true;\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">4<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Checking if a number is a Simber <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Your code has compilation errors. ^ is Binary XOR Operator. You can&#8217;t expect it to produce pow(10,i). So replace nmbrs.push_back(((n\/10^i) % 10); with nmbrs.push_back(((n\/pow(10,i)) % 10); When I was able to remove the compilation errors, i realized your code has logical errors too. As your given definition of simber, int is_simber(int n) should be &#8230; <a title=\"[Solved] Checking if a number is a Simber\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-checking-if-a-number-is-a-simber\/\" aria-label=\"More on [Solved] Checking if a number is a Simber\">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-16329","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] Checking if a number is a Simber - 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-checking-if-a-number-is-a-simber\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Checking if a number is a Simber - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Your code has compilation errors. ^ is Binary XOR Operator. You can&#8217;t expect it to produce pow(10,i). So replace nmbrs.push_back(((n\/10^i) % 10); with nmbrs.push_back(((n\/pow(10,i)) % 10); When I was able to remove the compilation errors, i realized your code has logical errors too. As your given definition of simber, int is_simber(int n) should be ... 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You can&#8217;t expect it to produce pow(10,i). So replace nmbrs.push_back(((n\/10^i) % 10); with nmbrs.push_back(((n\/pow(10,i)) % 10); When I was able to remove the compilation errors, i realized your code has logical errors too. As your given definition of simber, int is_simber(int n) should be ... 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