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Need a c++ code for a project. Which include loops, functions, arrays, etc.

Need a c++ code for a project. Which include loops, functions, arrays, etc.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Need a c++ code for a project.

Which include loops, functions, arrays, etc.

Expert Solution
Step 1

Note: Below program include loops, functions, arrays, pointer, and selection statement.

Code:

#include <iostream>
using namespace std;

//Function declaration to sort array elements
void sort(int *arr, int size);

int main()
{
    int arr[20];
    int size;
    int i = 0;
    //read size of array
    cout << "\nEnter size of arr: ";
    cin >> size;
    // Read elements into array of given size using for loop
    cout << "\nEnter " << size << " arr elements:" << endl;
    for (i = 0; i < size; i++)
        cin >> arr[i];

    //Displaying Array elements Before sorting
    cout << "After Sorting: ";
    for (i = 0; i < size; i++)
    {
        cout << arr[i] << "  ";
    }

    // Calling sort function
    sort(arr, size);

    //Displaying Array elements after sorting using while loop
    cout << "After Sorting: ";
    i = 0;
    while (i < size)
    {
        cout << arr[i] << "  ";
        i++;
    }
}

//Function definition to sort array elemnt
void sort(int *arr, int size)
{
    // Sort the array elements in ascending order.
    for (int i = 0; i < size; i++)
    {
        for (int j = i + 1; j < size; j++)
        {
            // If arr[i] is greater than arr[j] then swap arr[i] and arr[j]
            if (arr[i] > arr[j])
            {
                int temp = arr[i];
                arr[i] = arr[j];
                arr[j] = temp;
            }
        }
    }
}
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