{"id":6599,"date":"2022-01-29T20:07:44","date_gmt":"2022-01-29T14:37:44","guid":{"rendered":"https:\/\/golangbyexamples.com\/?p=6599"},"modified":"2022-01-29T20:09:59","modified_gmt":"2022-01-29T14:39:59","slug":"sorted-array-balanced-bst-golang","status":"publish","type":"post","link":"https:\/\/golangbyexamples.com\/sorted-array-balanced-bst-golang\/","title":{"rendered":"Sorted Array to Height Balanced BST in Go (Golang)"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_17 counter-hierarchy counter-decimal ez-toc-light-blue\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/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:\/\/golangbyexamples.com\/sorted-array-balanced-bst-golang\/#Overview\" title=\"Overview\">Overview<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/golangbyexamples.com\/sorted-array-balanced-bst-golang\/#Program\" title=\"Program \">Program <\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"has-luminous-vivid-orange-color has-text-color has-large-font-size wp-block-heading\" id=\"overview\"><span class=\"ez-toc-section\" id=\"Overview\"><\/span><strong>Overview<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-medium-font-size\">A sorted array is given. The array is sorted in ascending order. The objective is to convert that sorted array to a Height Balanced BST.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">A balanced BST is a BST in which the height of the left subtree and height of the right subtree differs by max 1 for every node.<\/p>\n\n\n\n<h2 class=\"has-luminous-vivid-orange-color has-text-color has-large-font-size wp-block-heading\" id=\"program\"><span class=\"ez-toc-section\" id=\"Program\"><\/span><strong>Program <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-medium-font-size\">Here is the program for the same.<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">package main\n\nimport \"fmt\"\n\ntype TreeNode struct {\n\tVal   int\n\tLeft  *TreeNode\n\tRight *TreeNode\n}\n\nfunc sortedArrayToBST(nums []int) *TreeNode {\n\tlength := len(nums)\n\treturn sortedArrayToBSTUtil(nums, 0, length-1)\n}\n\nfunc sortedArrayToBSTUtil(nums []int, first int, last int) *TreeNode {\n\n\tif first > last {\n\t\treturn nil\n\t}\n\n\tif first == last {\n\t\treturn &TreeNode{\n\t\t\tVal: nums[first],\n\t\t}\n\t}\n\n\tmid := (first + last) \/ 2\n\n\troot := &TreeNode{\n\t\tVal: nums[mid],\n\t}\n\n\troot.Left = sortedArrayToBSTUtil(nums, first, mid-1)\n\troot.Right = sortedArrayToBSTUtil(nums, mid+1, last)\n\treturn root\n}\n\nfunc traverseInorder(root *TreeNode) {\n\tif root == nil {\n\t\treturn\n\t}\n\n\ttraverseInorder(root.Left)\n\tfmt.Println(root.Val)\n\ttraverseInorder(root.Right)\n}\n\nfunc main() {\n\troot := sortedArrayToBST([]int{1, 2, 3, 4, 5})\n\ttraverseInorder(root)\n\n}<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">1\n2\n3\n4\n5<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Note: <\/strong>Check out our Golang Advanced Tutorial. The tutorials in this series are elaborative and we have tried to cover all concepts with examples. This tutorial is for those who are looking to gain expertise and a solid understanding of golang &#8211; <a href=\"https:\/\/golangbyexamples.com\/golang-comprehensive-tutorial\/\">Golang Advance Tutorial<\/a><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Also if you are interested in understanding how all design patterns can be implemented in Golang. If yes, then this post is for you &#8211;<a href=\"https:\/\/golangbyexamples.com\/all-design-patterns-golang\/\">All Design Patterns Golang<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Table of Contents OverviewProgram Overview A sorted array is given. The array is sorted in ascending order. The objective is to convert that sorted array to a Height Balanced BST. A balanced&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[1],"tags":[3,4],"class_list":["post-6599","post","type-post","status-publish","format-standard","hentry","category-tech","tag-go","tag-golang"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sorted Array to Height Balanced BST in Go (Golang) - Welcome To Golang By Example<\/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:\/\/golangbyexamples.com\/sorted-array-balanced-bst-golang\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sorted Array to Height Balanced BST in Go (Golang) - Welcome To Golang By Example\" \/>\n<meta property=\"og:description\" content=\"Table of Contents OverviewProgram Overview A sorted array is given. 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