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  1. www.geeksforgeeks.org › javascript-program-to-findJavaScript Program to Find the Missing Number - GeeksforGeeks

    Jun 14, 2024 · To find the missing number, first find the sum of the first N natural number using the formula. And then use array traversal using a loop (for / while, …) and find the sum of array elements. At last, subtract the sum of array elements from the sum of natural numbers to find the missing element of an array.

  2. stackoverflow.com › questions › 37277897JavaScript find missing number in array - Stack Overflow

    May 17, 2016 · It is clear that one number is missing from our Array so subtracting the sum of the given array from the sum of natural numbers will give us the missing number.

  3. www.geeksforgeeks.org › find-the-missing-numberFind the Missing Number - GeeksforGeeks

    • Using Hashing– O(N) Time and O(N) Auxiliary Space
    • Using Sum of N Terms Formula – O(N) Time and O(1) Auxiliary Space
    • Using XOR Operation– O(N) Time and O(1) Auxiliary Space

    Code Implementation: Time Complexity:O(n), where n is the length of given array Auxiliary Space:O(n)

    See full list on geeksforgeeks.org

    Code Implementation: Time Complexity:O(n), where n is the length of given array Auxiliary Space:O(1)

    See full list on geeksforgeeks.org

    Using these properties, the approach can be understood as:: 1. First find XOR all numbers in the range[1, N] 2. Then XOR all elements of the array with the XOR(1, N). 3. The result will be the missing number. Code Implementation: Time Complexity:O(n), where n is the length of given array Auxiliary Space:O(1)

    See full list on geeksforgeeks.org

    • 6 min

  4. umarfarooquekhan.medium.com › find-the-missingFind The Missing Number From The Array — JavaScript

    Dec 2, 2023 · The modified JavaScript code utilizes XOR operations to find the missing number in an array. The function, now named findMissingNumberWithXOR, XORs the expected and actual XOR values of the...

  5. www.geeksforgeeks.org › javascript-program-to-findJavaScript Program to Find the Missing Number in a Given ...

    Jun 4, 2024 · There are several methods that can be used to find the missing number in a given integer array of 1 to 100 in JavaScript, which are listed below: Table of Content. Approach 1: Using the Mathematical Formulae. Approach 2: Using the array iteration. Approach 3: Using Object. Approach 4: Using Bit Manipulation (XOR)

  6. www.thepoorcoder.com › find-the-missing-numberfind the missing number javascript - The Poor Coder

    Mar 23, 2023 · To find the missing number in JavaScript, there are a few different methods that can be used. The simplest and most efficient approach is to use a for loop. This loop will iterate through a given array and compare each element to the expected value based on its position in the array.

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  8. www.codeease.net › programming › javascriptfind the missing number javascript | Code Ease

    Let's create a simple JavaScript function to find the missing number in an array of consecutive integers. We'll assume that the array is sorted and contains a sequence of numbers with one missing element.