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#include <iostream>
#include <fstream>
#include <chrono> // For measuring time

void bubbleSort(int arr[], int n) {
    for (int i = 0; i < n-1; i++) {
        for (int j = 0; j < n-i-1; j++) {
            if (arr[j] > arr[j+1]) {
                std::swap(arr[j], arr[j+1]);
            }
        }
    }
}

int main() {
    // Open a file for writing
    std::ofstream outFile("elements.txt");

    if (!outFile) {
        std::cerr << "Error creating file." << std::endl;
        return 1;
    }

    int n;
    std::cout << "Enter the number of elements: ";
    std::cin >> n;

    int arr[n];
    for (int i = 0; i < n; i++) {
        std::cout << "Enter element " << i + 1 << ": ";
        std::cin >> arr[i];
        outFile << arr[i] << " ";
    }

    outFile.close();

    // Display unsorted elements
    std::cout << "Unsorted elements: ";
    for (int i = 0; i < n; i++) {
        std::cout << arr[i] << " ";
    }
    std::cout << std::endl;

    // Measure time taken for bubble sort
    auto start = std::chrono::high_resolution_clock::now();
    bubbleSort(arr, n);
    auto end = std::chrono::high_resolution_clock::now();
    auto duration = std::chrono::duration_cast<std::chrono::microseconds>(end - start);

    // Display sorted elements
    std::cout << "Sorted elements: ";
    for (int i = 0; i < n; i++) {
        std::cout << arr[i] << " ";
    }
    std::cout << std::endl;

    // Display time taken
    std::cout << "Time taken by bubble sort: " << duration.count() << " microseconds" << std::endl;

    return 0;
}