{"id":6219,"date":"2025-05-30T17:46:09","date_gmt":"2025-05-30T12:16:09","guid":{"rendered":"https:\/\/namastedev.com\/blog\/?p=6219"},"modified":"2025-05-30T18:19:28","modified_gmt":"2025-05-30T12:49:28","slug":"search-element-in-array-code-in-c-c-java-python-javascript","status":"publish","type":"post","link":"https:\/\/namastedev.com\/blog\/search-element-in-array-code-in-c-c-java-python-javascript\/","title":{"rendered":"Search Element in Array"},"content":{"rendered":"\n<!-- Prism.js CSS and JS -->\n<link href=\"https:\/\/cdn.jsdelivr.net\/npm\/prismjs@1.29.0\/themes\/prism-tomorrow.css\" rel=\"stylesheet\" \/>\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/prismjs@1.29.0\/prism.js\"><\/script>\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/prismjs@1.29.0\/plugins\/autoloader\/prism-autoloader.min.js\"><\/script>\n\n<style>\n  .wp_blog_code-tabs-container {\n    font-family: \"Segoe UI\", sans-serif !important;\n    max-width: 900px !important;\n    margin: 2rem auto !important;\n    border: 1px solid #ddd !important;\n    border-radius: 8px !important;\n    overflow: hidden !important;\n    background-color: white !important;\n  }\n\n  .wp_blog_code-tabs-header {\n    background: #f7f7f7 !important;\n    display: flex !important;\n    border-bottom: 1px solid #ddd !important;\n  }\n\n  .wp_blog_code-tab-button {\n    flex: 1 !important;\n    padding: 10px 15px !important;\n    border: none !important;\n    background: transparent !important;\n    cursor: pointer !important;\n    font-weight: bold !important;\n    transition: background 0.2s !important;\n    color: #242B33 !important;\n  }\n\n  .wp_blog_code-tab-button.active {\n    background: white !important;\n    border-bottom: 3px solid #0073aa !important;\n  }\n\n  .wp_blog_code-tab-content {\n    display: none !important;\n    padding: 20px !important;\n    background: #242B33 !important;\n  }\n\n  .wp_blog_code-tab-content > pre {\n    background: #242B33 !important;\n  }\n\n  .wp_blog_code-tab-content.active {\n    display: block !important;\n  }\n\n  .wp_blog_code-tab-content pre {\n    margin: 0 !important;\n    overflow-x: auto !important;\n  }\n\n  .wp_blog_explanation {\n    max-width: 900px !important;\n    margin: 2rem auto !important;\n    font-family: \"Segoe UI\", sans-serif !important;\n    line-height: 1.6 !important;\n    background: white !important;\n    color: black !important;\n    padding: 1rem !important;\n    border-radius: 8px !important;\n  }\n\n  .wp_blog_explanation h2 {\n    color: #0073aa !important;\n    font-size: 1.5rem !important;\n    margin-bottom: 0.5rem !important;\n  }\n\n  .wp_blog_explanation code {\n    background: #f1f1f1 !important;\n    padding: 2px 6px !important;\n    border-radius: 4px !important;\n    font-family: monospace !important;\n  }\n<\/style>\n\n<!-- Explanation Block -->\n<div class=\"wp_blog_explanation\">\n  <h2>Question<\/h2>\n  <p>Write a function that searches for an element in an array and returns its index. If the element is not found, return <code>-1<\/code>.<\/p>\n\n  <h2>Approach<\/h2>\n  <ul>\n    <li>Loop through the array from start to end.<\/li>\n    <li>If the current element matches the search target, return its index.<\/li>\n    <li>If no match is found by the end, return <code>-1<\/code>.<\/li>\n  <\/ul>\n\n  <h2>Example<\/h2>\n  <pre><code>\nInput: arr = [2, 6, 4, 8, 1, 9], x = 2\nOutput: 0\n\nInput: arr = [2, 6, 4, 8, 1, 9], x = 7\nOutput: -1\n  <\/code><\/pre>\n<h2>Time and Space Complexity<\/h2>\n  <ul>\n    <li><strong>Time Complexity:<\/strong> O(n), where n is the number of elements in the array.<\/li>\n    <li><strong>Space Complexity:<\/strong> O(1), as we are using constant extra space.<\/li>\n  <\/ul>\n<\/div>\n\n<!-- Code Tabs -->\n<div class=\"wp_blog_code-tabs-container\">\n  <div class=\"wp_blog_code-tabs-header\">\n    <button class=\"wp_blog_code-tab-button active\" data-lang=\"js\">JavaScript<\/button>\n    <button class=\"wp_blog_code-tab-button\" data-lang=\"c\">C<\/button>\n    <button class=\"wp_blog_code-tab-button\" data-lang=\"cpp\">C++<\/button>\n    <button class=\"wp_blog_code-tab-button\" data-lang=\"java\">Java<\/button>\n    <button class=\"wp_blog_code-tab-button\" data-lang=\"py\">Python<\/button>\n  <\/div>\n\n  <div class=\"wp_blog_code-tab-content active\" data-lang=\"js\">\n    <pre><code class=\"language-javascript\">\nfunction searchElement(arr, x) {\n  for (let i = 0; i < arr.length; i++) {\n    if (arr[i] === x) {\n      return i;\n    }\n  }\n  return -1;\n}\n\nlet arr = [2, 6, 4, 8, 1, 9];\nlet result = searchElement(arr, 2);\nconsole.log(\"Result:\", result); \/\/ Output: 0\n    <\/code><\/pre>\n  <\/div>\n\n  <div class=\"wp_blog_code-tab-content\" data-lang=\"c\">\n    <pre><code class=\"language-c\">\n#include &lt;stdio.h&gt;\n\nint searchElement(int arr[], int n, int x) {\n  for (int i = 0; i < n; i++) {\n    if (arr[i] == x) return i;\n  }\n  return -1;\n}\n\nint main() {\n  int arr[] = {2, 6, 4, 8, 1, 9};\n  int result = searchElement(arr, 6, 2);\n  printf(\"Result: %d\\n\", result); \/\/ Output: 0\n  return 0;\n}\n    <\/code><\/pre>\n  <\/div>\n\n  <div class=\"wp_blog_code-tab-content\" data-lang=\"cpp\">\n    <pre><code class=\"language-cpp\">\n#include &lt;iostream&gt;\nusing namespace std;\n\nint searchElement(int arr[], int n, int x) {\n  for (int i = 0; i < n; i++) {\n    if (arr[i] == x) return i;\n  }\n  return -1;\n}\n\nint main() {\n  int arr[] = {2, 6, 4, 8, 1, 9};\n  int result = searchElement(arr, 6, 2);\n  cout << \"Result: \" << result << endl; \/\/ Output: 0\n  return 0;\n}\n    <\/code><\/pre>\n  <\/div>\n\n  <div class=\"wp_blog_code-tab-content\" data-lang=\"java\">\n    <pre><code class=\"language-java\">\npublic class Main {\n  public static int searchElement(int[] arr, int x) {\n    for (int i = 0; i < arr.length; i++) {\n      if (arr[i] == x) return i;\n    }\n    return -1;\n  }\n\n  public static void main(String[] args) {\n    int[] arr = {2, 6, 4, 8, 1, 9};\n    int result = searchElement(arr, 2);\n    System.out.println(\"Result: \" + result); \/\/ Output: 0\n  }\n}\n    <\/code><\/pre>\n  <\/div>\n\n  <div class=\"wp_blog_code-tab-content\" data-lang=\"py\">\n    <pre><code class=\"language-python\">\ndef search_element(arr, x):\n    for i in range(len(arr)):\n        if arr[i] == x:\n            return i\n    return -1\n\narr = [2, 6, 4, 8, 1, 9]\nresult = search_element(arr, 2)\nprint(\"Result:\", result)  # Output: 0\n    <\/code><\/pre>\n  <\/div>\n<\/div>\n\n<!-- Tab Switch Script -->\n<script>\n  document.addEventListener('DOMContentLoaded', function () {\n    const buttons = document.querySelectorAll('.wp_blog_code-tab-button');\n    const contents = document.querySelectorAll('.wp_blog_code-tab-content');\n\n    buttons.forEach(button => {\n      button.addEventListener('click', () => {\n        const lang = button.getAttribute('data-lang');\n\n        buttons.forEach(btn => btn.classList.remove('active'));\n        button.classList.add('active');\n\n        contents.forEach(content => {\n          content.classList.toggle('active', content.getAttribute('data-lang') === lang);\n        });\n      });\n    });\n  });\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Question Write a function that searches for an element in an array and returns its index. If the element is not found, return -1. Approach Loop through the array from start to end. If the current element matches the search target, return its index. If no match is found by the end, return -1. Example<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[260,811,810,174,172,173],"tags":[],"class_list":["post-6219","post","type-post","status-publish","format-standard","category-c-c-plus-plus","category-data-structures-and-algorithms","category-dsa","category-java","category-javascript","category-python"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/namastedev.com\/blog\/wp-json\/wp\/v2\/posts\/6219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/namastedev.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/namastedev.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/namastedev.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/namastedev.com\/blog\/wp-json\/wp\/v2\/comments?post=6219"}],"version-history":[{"count":2,"href":"https:\/\/namastedev.com\/blog\/wp-json\/wp\/v2\/posts\/6219\/revisions"}],"predecessor-version":[{"id":6235,"href":"https:\/\/namastedev.com\/blog\/wp-json\/wp\/v2\/posts\/6219\/revisions\/6235"}],"wp:attachment":[{"href":"https:\/\/namastedev.com\/blog\/wp-json\/wp\/v2\/media?parent=6219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/namastedev.com\/blog\/wp-json\/wp\/v2\/categories?post=6219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/namastedev.com\/blog\/wp-json\/wp\/v2\/tags?post=6219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}