{"id":3291,"date":"2025-01-20T08:04:55","date_gmt":"2025-01-20T08:04:55","guid":{"rendered":"https:\/\/gnomeledge.com\/QH2301B\/?p=3291"},"modified":"2025-01-20T08:04:56","modified_gmt":"2025-01-20T08:04:56","slug":"hackerrank-tutorial-12-diagonal-difference-challenge","status":"publish","type":"post","link":"https:\/\/gnomeledge.com\/QH2301B\/2025\/01\/20\/hackerrank-tutorial-12-diagonal-difference-challenge\/","title":{"rendered":"[HackerRank] Tutorial 12:\u00a0\u201cDiagonal Difference\u201d Challenge"},"content":{"rendered":"\n

Step 1 \u2013 Launch the HackerRank Website and \u201cSign In\u201d.<\/strong>\u00a0Ref:\u00a0https:\/\/www.hackerrank.com\/<\/a><\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Step 2 \u2013 Click into \u201cContinue Preparation\u201d under Problem Solving. Choose \u201cDiagonal Difference\u201d Challenge.<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Step 3 \u2013 Read the Instructions Carefully.<\/strong><\/p>\n\n\n\n

Change the Programming Language to Python 3<\/strong>.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Step 4 \u2013 List the Requirements and Constraints in a Notepad\/Drawing board in simple words. Learn to take notes.<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

For this problem, it is best to draw it out to visualise what it is asking you to solve.<\/p>\n\n\n\n

You are supposed to ensure the diagonal columns of the grid is extracted for adding up.<\/p>\n\n\n\n

The first and second diagonals’ sum of numbers will be subtracted against each other.<\/p>\n\n\n\n

Due to the requirement of absolute difference, we only take the absolute value of the result of the subtraction. The positive or negative aspect of the diagonals’ sum is not a concern.<\/p>\n\n\n\n

Step 5 \u2013 Convert What You Understand of the Requirements and Constraints into code<\/strong>.<\/p>\n\n\n\n

Convert the logic into code as below’s screenshoot.<\/p>\n\n\n\n

Note that it was declared initially that arr <\/strong>was listed in Functional Description <\/strong>as an array of integer.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Step 6 \u2013 Click \u201cRun Code\u201d to Test Your Code. Do Note if you submit code with errors, you will lose points. So \u201cRun Code\u201d first to ensure everything works.<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Step 7 \u2013 Once you have tested that your code works, \u201cSubmit Code\u201d to clear the challenge and earn some Hacker points.<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

Step 1 \u2013 Launch the HackerRank Website and \u201cSign In\u201d.\u00a0Ref:\u00a0https:\/\/www.hackerrank.com\/ Step 2 \u2013 Click into \u201cContinue Preparation\u201d under Problem Solving. Choose \u201cDiagonal Difference\u201d Challenge. Step 3 \u2013 Read the Instructions Carefully. Change the Programming Language to Python 3. Step 4 \u2013 List the Requirements and Constraints in a Notepad\/Drawing board in simple words. Learn to take […]<\/p>\n","protected":false},"author":2,"featured_media":3292,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[374,360,365,370,3,256,174,366,8,371],"tags":[],"class_list":["post-3291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-algorithms-problem-solving","category-ambition","category-competitive-programming","category-hackerrank","category-ite","category-learning-through-experimentations","category-methods-and-techniques","category-ranking-up","category-student-support","category-tutorials"],"yoast_head":"\n[HackerRank] Tutorial 12:\u00a0\u201cDiagonal Difference\u201d Challenge - Gnome Ledge<\/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:\/\/gnomeledge.com\/QH2301B\/2025\/01\/20\/hackerrank-tutorial-12-diagonal-difference-challenge\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[HackerRank] Tutorial 12:\u00a0\u201cDiagonal Difference\u201d Challenge - Gnome Ledge\" \/>\n<meta property=\"og:description\" content=\"Step 1 \u2013 Launch the HackerRank Website and \u201cSign In\u201d.\u00a0Ref:\u00a0https:\/\/www.hackerrank.com\/ Step 2 \u2013 Click into \u201cContinue Preparation\u201d under Problem Solving. 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