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C# Program to Search an Element in an Array

This C# program is designed to search for a specific element within an array of integers. Searching for elements in arrays is a common task in programming, and it is often used to find the presence and location of an element in a collection of data.

Problem Statement

You are tasked with developing a program that efficiently searches for a specific element in an array of integers.

C# Program to Search an Element in an Array

using System;

class Program
    static void Main()
        // Define an array
        int[] numbers = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };

        // Element to search for
        int target = 5;

        // Call the SearchElement method to check if the element exists
        bool found = SearchElement(numbers, target);

        if (found)
            Console.WriteLine($"Element {target} found in the array.");
            Console.WriteLine($"Element {target} not found in the array.");

    static bool SearchElement(int[] arr, int target)
        // Iterate through the array to search for the element
        foreach (int element in arr)
            if (element == target)
                return true; // Element found

        return false; // Element not found

How it Works

  1. Initialize an Array: Create an array and populate it with elements.
  2. Get the Target Element: Prompt the user to enter the element they want to search for (the target element).
  3. Search Algorithm: Implement a search algorithm to find the target element within the array. You can choose from different search methods, such as linear search, binary search (for sorted arrays), or using built-in methods like Array.IndexOf() or LINQ.
    • Linear Search
    • Using Array.IndexOf()
    • Using LINQ
  4. Display the Result: Based on the result of the search algorithm, display a message to the user indicating whether the target element was found and, if so, at what index.
  5. Repeat or Terminate: After displaying the result, you can ask the user if they want to search for another element. If yes, repeat the process; if no, terminate the program.

Input/ Output


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