{"id":7712,"date":"2024-03-30T23:17:11","date_gmt":"2024-03-30T15:17:11","guid":{"rendered":"https:\/\/zyrastory.com\/?p=7712"},"modified":"2024-03-30T23:18:25","modified_gmt":"2024-03-30T15:18:25","slug":"codeforces-1676a-lucky-solution-and-explanation-en","status":"publish","type":"post","link":"https:\/\/zyrastory.com\/en\/coding-en\/codeforces-en\/codeforces-1676a-lucky-solution-and-explanation-en\/","title":{"rendered":"Codeforces 1676A Lucky? Solution &#038; Explanation"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_66_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >\u5167\u5bb9\u76ee\u9304<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/zyrastory.com\/en\/coding-en\/codeforces-en\/codeforces-1676a-lucky-solution-and-explanation-en\/#problem-description\" title=\"Problem Description\">Problem Description<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/zyrastory.com\/en\/coding-en\/codeforces-en\/codeforces-1676a-lucky-solution-and-explanation-en\/#solution\" title=\"Solution\">Solution<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/zyrastory.com\/en\/coding-en\/codeforces-en\/codeforces-1676a-lucky-solution-and-explanation-en\/#c-solution\" title=\"C# Solution\">C# Solution<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/zyrastory.com\/en\/coding-en\/codeforces-en\/codeforces-1676a-lucky-solution-and-explanation-en\/#conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Difficulty : 800<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"problem-description\"><\/span><strong>Problem Description<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A ticket is a string consisting of six digits. A ticket is considered lucky if the sum of the first three digits is equal to the sum of the last three digits. Given a ticket, output if it is lucky or not. Note that a ticket can have leading zeroes.<\/p>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Input<\/strong><\/p>\n\n\n\n<p>The first line of the input contains an integer <strong><em>t<\/em><\/strong> (1\u2264t\u226410<sup>3<\/sup>) \u2014 the number of testcases.<\/p>\n\n\n\n<p>The description of each test consists of one line containing one string consisting of six digits.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Output<\/strong><\/p>\n\n\n\n<p>Output <strong><em>t<\/em><\/strong> lines, each of which contains the answer to the corresponding test case. Output &#8220;YES&#8221; if the given ticket is lucky, and &#8220;NO&#8221; otherwise.<\/p>\n\n\n\n<p>You can output the answer in any case (for example, the strings &#8220;yEs&#8221;, &#8220;yes&#8221;, &#8220;Yes&#8221; and &#8220;YES&#8221; will be recognized as a positive answer).<\/p>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Examples<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-border-color has-palette-color-4-border-color has-fixed-layout\"><tbody><tr><td>Input<\/td><td>5<br>213132<br>973894<br>045207<br>000000<br>055776<\/td><\/tr><tr><td>Output<\/td><td>YES<br>NO<br>YES<br>YES<br>NO<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Note<\/strong><\/p>\n\n\n\n<p>In the first test case, the sum of the first three digits is 2+1+3=6 and the sum of the last three digits is 1+3+2=6, they are equal so the answer is &#8220;YES&#8221;.<\/p>\n\n\n\n<p>In the second test case, the sum of the first three digits is 9+7+3=19 and the sum of the last three digits is 8+9+4=21, they are not equal so the answer is &#8220;NO&#8221;.<\/p>\n\n\n\n<p>In the third test case, the sum of the first three digits is 0+4+5=9 and the sum of the last three digits is 2+0+7=9, they are equal so the answer is &#8220;YES&#8221;.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"solution\"><\/span><strong>Solution<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>For each test case, we need to check if the first three integer elements among its six integer elements are equal to the last three.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"c-solution\"><\/span><strong>C# Solution<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Solution1<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-csharp\" data-lang=\"C#\"><code>int t = int.Parse(Console.ReadLine());\n\nfor(int i=0; i&lt;t; i++){\n    int[] arr = Console.ReadLine().ToCharArray().Select(x=&gt; x-&#39;0&#39;).ToArray();\n    var res = (arr[0]+arr[1]+arr[2]) == (arr[3]+arr[4]+arr[5]);\n    Console.WriteLine(res?&quot;YES&quot;:&quot;NO&quot;);\n}<\/code><\/pre><\/div>\n\n\n\n<p>We can&#8217;t use <strong><em>.Select(int.Parse)<\/em><\/strong> here, because it expects <strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#cf2e2e\" class=\"has-inline-color\">strings <\/mark><\/strong>as input, but we have a <strong>char <\/strong>array.<\/p>\n\n\n\n<p>In our solution, we utilize the ASCII code property to convert characters to integers.<\/p>\n\n\n\n<p>See more ASCII code examples\u27a1<a href=\"https:\/\/zyrastory.com\/en\/coding-en\/coding-note\/printing-a-to-z-in-various-languages\/\" target=\"_blank\" rel=\"noreferrer noopener\">Printing A to Z in Various Languages &#8211; C#, Java, Python3, JS<\/a><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ins class=\"klk-aff-widget\"  data-wid=\"58514\" data-height=\"340px\"  data-adid=\"835212\" data-lang=\"\" data-prod=\"search_vertical\" data-currency=\"\"><a href=\"\/\/www.klook.com\/?aid=\">Klook.com<\/a><\/ins>\n<script type=\"text\/javascript\">\n  (function (d, sc, u) {\n    var s = d.createElement(sc),\n      p = d.getElementsByTagName(sc)[0];\n    s.type = \"text\/javascript\";\n    s.async = true;\n    s.src = u;\n    p.parentNode.insertBefore(s, p);\n  })(\n    document,\n    \"script\",\n    \"https:\/\/affiliate.klook.com\/widget\/fetch-iframe-init.js\"\n  );\n<\/script>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"tw-target-text\"><span class=\"ez-toc-section\" id=\"conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-medium-font-size\">\ud83e\udde1<strong>You can support me by sharing my posts, thanks you~~<\/strong><\/p>\n\n\n\n<p><strong>\u2705If you got any problem about the explanation or you need other programming language solution, please feel free to let me know !!<\/strong><\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>The problem link :<\/strong> <a href=\"https:\/\/codeforces.com\/problemset\/problem\/1676\/A\" target=\"_blank\" rel=\"noreferrer noopener\">Problem &#8211; 1676A &#8211; Codeforces<\/a><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Random Codeforces Posts<\/strong><\/p>\n\n\n\n\t\t\t<div class=\"wp-block-uagb-post-grid uagb-post-grid  uagb-post__image-position-top uagb-post__image-disabled uagb-block-613bccac     uagb-post__items uagb-post__columns-3 is-grid uagb-post__columns-tablet-2 uagb-post__columns-mobile-1 uagb-post__equal-height\" data-total=\"12\" style=\"\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/zyrastory.com\/en\/coding-en\/codeforces-en\/codeforces-148a-insomnia-cure-solution-and-explanation-en\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Codeforces 148A Insomnia cure Solution &#038; Explanation<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2024-02-11T21:27:19+08:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t2024-02-11\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" href=\"https:\/\/zyrastory.com\/en\/coding-en\/codeforces-en\/codeforces-148a-insomnia-cure-solution-and-explanation-en\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Read More<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/zyrastory.com\/en\/coding-en\/codeforces-en\/codeforces-158b-taxi-solution-and-explanation-en\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Codeforces 158B Taxi Solution &amp; 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Explanation<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2023-12-09T23:35:10+08:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\t2023-12-09\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" href=\"https:\/\/zyrastory.com\/en\/coding-en\/codeforces-en\/codeforces-136a-presents-solution-and-explanation-en\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Read More<\/a>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"uagb-post-pagination-wrap\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t","protected":false},"excerpt":{"rendered":"<p>We need to check if the first three integer elements among its six integer elements are equal to the last three. <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[269],"tags":[],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Codeforces 1676A Lucky? 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