{"id":843,"date":"2025-08-06T11:21:38","date_gmt":"2025-08-06T05:51:38","guid":{"rendered":"https:\/\/codeanddebug.in\/blog\/?p=843"},"modified":"2025-08-06T11:21:40","modified_gmt":"2025-08-06T05:51:40","slug":"implement-stack-using-linked-list","status":"publish","type":"post","link":"https:\/\/codeanddebug.in\/blog\/implement-stack-using-linked-list\/","title":{"rendered":"Stack using Linked List | Optimal Solution"},"content":{"rendered":"\n<p>Learning to implement a&nbsp;<strong>Stack using a Linked List<\/strong>&nbsp;is an essential step in mastering data structures. It\u2019s not only a popular interview question but also a real-world use case in memory management and application call stacks. Here\u2019s a clear, practical explanation with a ready-to-use code sample.<\/p>\n\n\n\n<p>Here&#8217;s the [<strong><a href=\"https:\/\/www.geeksforgeeks.org\/problems\/implement-stack-using-linked-list\/1\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\"><span style=\"text-decoration: underline;\">Problem Link<\/span><\/mark><\/a><\/strong>] to begin with.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"0-problem-statement\">Problem Statement<\/h2>\n\n\n\n<p>You are tasked to build a stack data structure using a singly linked list. Your stack should support:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>push(data):<\/strong>\u00a0Insert an integer onto the top of the stack.<\/li>\n\n\n\n<li><strong>pop():<\/strong>\u00a0Remove and return the element from the top; return -1 if the stack is empty.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-example\">Example<\/h3>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.5rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"Input:\npush(2)\npush(3)\npop()    # Output: 3\npush(4)\npop()    # Output: 4\n\nStack Contents after each operation:\npush(2)   \u2192 2\npush(3)   \u2192 3(top), 2\npop()     \u2192 returns 3; top points to 2\npush(4)   \u2192 4(top), 2\npop()     \u2192 returns 4\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D4D4D4\">Input:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">push(<\/span><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">push(<\/span><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">pop()    <\/span><span style=\"color: #6A9955\"># Output: 3<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">push(<\/span><span style=\"color: #B5CEA8\">4<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">pop()    <\/span><span style=\"color: #6A9955\"># Output: 4<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">Stack Contents after each operation:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">push(<\/span><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\">)   \u2192 <\/span><span style=\"color: #B5CEA8\">2<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">push(<\/span><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\">)   \u2192 <\/span><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\">(top), <\/span><span style=\"color: #B5CEA8\">2<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">pop()     \u2192 returns <\/span><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\">; top points to <\/span><span style=\"color: #B5CEA8\">2<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">push(<\/span><span style=\"color: #B5CEA8\">4<\/span><span style=\"color: #D4D4D4\">)   \u2192 <\/span><span style=\"color: #B5CEA8\">4<\/span><span style=\"color: #D4D4D4\">(top), <\/span><span style=\"color: #B5CEA8\">2<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">pop()     \u2192 returns <\/span><span style=\"color: #B5CEA8\">4<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p><strong>Constraints:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stack is empty after initialization.<\/li>\n\n\n\n<li>You must use a linked list, no arrays or builtin stack objects.<\/li>\n<\/ul>\n\n\n<div style=\"max-width: -moz-fit-content; \" class=\"wp-block-ub-table-of-contents-block ub_table-of-contents ub_table-of-contents-collapsed\" id=\"ub_table-of-contents-ffafb9f7-f697-42fd-919f-30b44a40c234\" data-linktodivider=\"false\" data-showtext=\"show\" data-hidetext=\"hide\" data-scrolltype=\"auto\" data-enablesmoothscroll=\"true\" data-initiallyhideonmobile=\"true\" data-initiallyshow=\"false\"><div class=\"ub_table-of-contents-header-container\" style=\"\">\n\t\t\t<div class=\"ub_table-of-contents-header\" style=\"text-align: left; \">\n\t\t\t\t<div class=\"ub_table-of-contents-title\">Contents:<\/div>\n\t\t\t\t<div class=\"ub_table-of-contents-header-toggle\">\n\t\t\t<div class=\"ub_table-of-contents-toggle\" style=\"\">\n\t\t\t\u00a0[<a class=\"ub_table-of-contents-toggle-link\" href=\"#\" style=\"\">show<\/a>]\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"ub_table-of-contents-extra-container\" style=\"\">\n\t\t\t<div class=\"ub_table-of-contents-container ub_table-of-contents-1-column ub-hide\">\n\t\t\t\t<ul style=\"\"><li style=\"\"><a href=\"https:\/\/codeanddebug.in\/blog\/implement-stack-using-linked-list\/#0-problem-statement\" style=\"\">Problem Statement<\/a><ul><li style=\"\"><a href=\"https:\/\/codeanddebug.in\/blog\/implement-stack-using-linked-list\/#1-example\" style=\"\">Example<\/a><\/li><\/ul><\/li><li style=\"\"><a href=\"https:\/\/codeanddebug.in\/blog\/implement-stack-using-linked-list\/#2-intuition-amp-approach\" style=\"\">Intuition &amp; Approach<\/a><\/li><li style=\"\"><a href=\"https:\/\/codeanddebug.in\/blog\/implement-stack-using-linked-list\/#3-code-implementation\" style=\"\">Code Implementation<\/a><\/li><li style=\"\"><a href=\"https:\/\/codeanddebug.in\/blog\/implement-stack-using-linked-list\/#4-code-explanation\" style=\"\">Code Explanation<\/a><\/li><li style=\"\"><a href=\"https:\/\/codeanddebug.in\/blog\/implement-stack-using-linked-list\/#5-time-and-space-complexity\" style=\"\">Time and Space Complexity<\/a><\/li><li style=\"\"><a href=\"https:\/\/codeanddebug.in\/blog\/implement-stack-using-linked-list\/#6-conclusion\" style=\"\">Conclusion<\/a><\/li><\/ul>\n\t\t\t<\/div>\n\t\t<\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"2-intuition-amp-approach\">Intuition &amp; Approach<\/h2>\n\n\n\n<p>A&nbsp;<strong>stack<\/strong>&nbsp;is a LIFO (last-in, first-out) data structure. With a linked list, you can efficiently add and remove elements at the beginning of the list, making it perfect for stack operations.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Push:<\/strong>\u00a0Insert new elements at the start (head) of the list.<\/li>\n\n\n\n<li><strong>Pop:<\/strong>\u00a0Remove elements from the start (head).<\/li>\n<\/ul>\n\n\n\n<p>A dedicated pointer (<code>top<\/code>) always references the current first node.<br>If&nbsp;<code>top<\/code>&nbsp;is&nbsp;<code>None<\/code>, the stack is empty.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-code-implementation\">Code Implementation<\/h2>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.5rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"class Node:\n    # Constructor to initialize a new node\n    def __init__(self, data):\n        self.data = data\n        self.next = None    # next is the link to the next node\n\nclass MyStack:\n    def __init__(self):\n        # Stack top pointer (None means stack is empty)\n        self.top = None\n\n    # Push operation: insert data at the top of the stack\n    def push(self, data):\n        new_node = Node(data)      # create a new node\n        new_node.next = self.top   # next of new node points to old top\n        self.top = new_node        # move top to new node\n\n    # Pop operation: remove and return data from top of stack\n    def pop(self):\n        if self.top is None:\n            return -1              # stack is empty\n        popped = self.top.data     # get top data\n        self.top = self.top.next   # move top to next node\n        return popped\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #569CD6\">class<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">Node<\/span><span style=\"color: #D4D4D4\">:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\"># Constructor to initialize a new node<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">def<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">__init__<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">self<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #9CDCFE\">data<\/span><span style=\"color: #D4D4D4\">):<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">self<\/span><span style=\"color: #D4D4D4\">.data = data<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">self<\/span><span style=\"color: #D4D4D4\">.next = <\/span><span style=\"color: #569CD6\">None<\/span><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\"># next is the link to the next node<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">class<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">MyStack<\/span><span style=\"color: #D4D4D4\">:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">def<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">__init__<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">self<\/span><span style=\"color: #D4D4D4\">):<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #6A9955\"># Stack top pointer (None means stack is empty)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">self<\/span><span style=\"color: #D4D4D4\">.top = <\/span><span style=\"color: #569CD6\">None<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\"># Push operation: insert data at the top of the stack<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">def<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">push<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">self<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #9CDCFE\">data<\/span><span style=\"color: #D4D4D4\">):<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        new_node = Node(data)      <\/span><span style=\"color: #6A9955\"># create a new node<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        new_node.next = <\/span><span style=\"color: #569CD6\">self<\/span><span style=\"color: #D4D4D4\">.top   <\/span><span style=\"color: #6A9955\"># next of new node points to old top<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">self<\/span><span style=\"color: #D4D4D4\">.top = new_node        <\/span><span style=\"color: #6A9955\"># move top to new node<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\"># Pop operation: remove and return data from top of stack<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">def<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">pop<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">self<\/span><span style=\"color: #D4D4D4\">):<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #C586C0\">if<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">self<\/span><span style=\"color: #D4D4D4\">.top <\/span><span style=\"color: #569CD6\">is<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">None<\/span><span style=\"color: #D4D4D4\">:<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #C586C0\">return<\/span><span style=\"color: #D4D4D4\"> -<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">              <\/span><span style=\"color: #6A9955\"># stack is empty<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        popped = <\/span><span style=\"color: #569CD6\">self<\/span><span style=\"color: #D4D4D4\">.top.data     <\/span><span style=\"color: #6A9955\"># get top data<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #569CD6\">self<\/span><span style=\"color: #D4D4D4\">.top = <\/span><span style=\"color: #569CD6\">self<\/span><span style=\"color: #D4D4D4\">.top.next   <\/span><span style=\"color: #6A9955\"># move top to next node<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #C586C0\">return<\/span><span style=\"color: #D4D4D4\"> popped<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-code-explanation\">Code Explanation<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Node:<\/strong>\u00a0Basic singly linked list node with\u00a0<code>data<\/code>\u00a0and a pointer to the next node.<\/li>\n\n\n\n<li><strong>MyStack:<\/strong>\n<ul class=\"wp-block-list\">\n<li>On\u00a0<code>push<\/code>, make a new\u00a0<code>Node<\/code>, point its\u00a0<code>next<\/code>\u00a0to current top, and re-assign\u00a0<code>top<\/code>.<\/li>\n\n\n\n<li>On\u00a0<code>pop<\/code>, if not empty, retrieve the value, move\u00a0<code>top<\/code>\u00a0pointer forward, return the popped value. If empty, return -1.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-time-and-space-complexity\">Time and Space Complexity<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>push:<\/strong>\u00a0O(1) &#8211; Only pointer manipulation.<\/li>\n\n\n\n<li><strong>pop:<\/strong>\u00a0O(1) &#8211; Only pointer manipulation.<\/li>\n\n\n\n<li><strong>Space:<\/strong>\u00a0O(n) &#8211; Where n is the number of elements, each node occupies space.<\/li>\n<\/ul>\n\n\n\n<p><em>In simple words:<\/em><br>Each stack operation happens instantly, no loops or traversals.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-conclusion\">Conclusion<\/h2>\n\n\n\n<p>Implementing a\u00a0<strong>Stack using a Linked List<\/strong>\u00a0is fundamental for building strong basics in data structures, an especially favorite topic in coding interviews! Once you grasp this, you\u2019re better equipped to understand more complex structures and problems.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/codeanddebug.in\/course\/zero-to-hero-python-dsa\" target=\"_blank\" rel=\"noreferrer noopener\">Join our Advance DSA COURSE<\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><em>For any changes to the article, kindly email at <a href=\"mailto:code@codeanddebug.in\" target=\"_blank\" rel=\"noreferrer noopener\">code@codeanddebug.in<\/a> or contact us at <a href=\"tel:+91-9712928220\" target=\"_blank\" rel=\"noreferrer noopener\">+91-9712928220<\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learning to implement a&nbsp;Stack using a Linked List&nbsp;is an essential step in mastering data structures. It\u2019s not only a popular interview question but also a real-world use case in memory management and application call stacks. Here\u2019s a clear, practical explanation with a ready-to-use code sample. Here&#8217;s the [Problem Link] to begin with. Problem Statement You<\/p>\n","protected":false},"author":1,"featured_media":844,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4],"tags":[8,37],"class_list":{"0":"post-843","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-data-structures-and-algorithm","8":"category-beginner","9":"tag-easy","10":"tag-stack-and-queues"},"featured_image_src":"https:\/\/codeanddebug.in\/blog\/wp-content\/uploads\/2025\/08\/stack-usinglinked-list-featured-image.png","author_info":{"display_name":"codeanddebug","author_link":"https:\/\/codeanddebug.in\/blog\/author\/codeanddebug\/"},"_links":{"self":[{"href":"https:\/\/codeanddebug.in\/blog\/wp-json\/wp\/v2\/posts\/843","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codeanddebug.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codeanddebug.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codeanddebug.in\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/codeanddebug.in\/blog\/wp-json\/wp\/v2\/comments?post=843"}],"version-history":[{"count":1,"href":"https:\/\/codeanddebug.in\/blog\/wp-json\/wp\/v2\/posts\/843\/revisions"}],"predecessor-version":[{"id":845,"href":"https:\/\/codeanddebug.in\/blog\/wp-json\/wp\/v2\/posts\/843\/revisions\/845"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/codeanddebug.in\/blog\/wp-json\/wp\/v2\/media\/844"}],"wp:attachment":[{"href":"https:\/\/codeanddebug.in\/blog\/wp-json\/wp\/v2\/media?parent=843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codeanddebug.in\/blog\/wp-json\/wp\/v2\/categories?post=843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codeanddebug.in\/blog\/wp-json\/wp\/v2\/tags?post=843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}