reverse an array in c++

isuro answered on May 12, 2021 Popularity 8/10 Helpfulness 1/10

answer reverse an array in c++

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reverse an array in c++

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// Reverse An Array
#include <stdlib.h>
#include <iostream>
using namespace std;

class Array
{
private:
    int size;
    int length;
    int *Arr;

public:
    Array()
    {
        size = 0;
        length = 0;
        Arr = nullptr;
    }
    Array(int size, int length)
    {
        this->size = size;
        this->length = length;
        Arr = new int[size];
    }
    void Create()
    {
        cout << "Enter Elements: " << endl;
        for (int i = 0; i < length; i++)
        {
            cout << "Enter Element Number " << (i + 1) << " : ";
            cin >> Arr[i];
        }
        cout << endl
             << "Database Created Sucessfully." << endl;
    }
    void Display()
    {
        cout << "The Array Elements Are:" << endl;
        for (int i = 0; i < length; i++)
        {
            cout << Arr[i] << " ";
        }
    }
    void Swap(int *x, int *y)
    {
        int temp = *x;
        *x = *y;
        *y = temp;
    }
    void ReverseArray()
    {
        int *Arr2;
        Arr2 = (int *)malloc(length * sizeof(int));

        for (int i = length - 1, j = 0; i >= 0; i--, j++)
        {
            Arr2[j] = Arr[i];
        }
        for (int i = 0; i < length; i++)
        {
            Arr[i] = Arr2[i];
        }
        free(Arr2);
        Arr2 = NULL;
    }
    ~Array()
    {
        delete[] Arr;
        cout << endl
             << "Array Destroyed.";
    }
};

int main()
{
    int size = 0, limit = 0;
    cout << "What's Size Of Your Database? : ";
    cin >> size;
    cout << "Enter How Many Elements You Want To Create? : ";
    cin >> limit;

    Array obj(size, limit);
    obj.Create();
    obj.Display();
    obj.ReverseArray();
    cout << endl;
    obj.Display();
    return 0;
}

Popularity 8/10 Helpfulness 1/10 Language cpp

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Tags: c++ reverse

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Contributed on Feb 25 2023

isuro

0 Answers Avg Quality 2/10

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c++ program to reverse an array

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#include<iostream>
using namespace std;
int main()
{
   int a[]={1,2,3,4,5};  // Using Pointer and Array Relationship
    for (int i = 4; i>=0; i--)
    cout<<*(a+i);
   return 0;
}

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on May 12 2021

Kathu

0 Answers Avg Quality 2/10

reverse function in cpp array

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// C++ program to reverse Array
// using reverse() in STL
 
#include <algorithm>
#include <iostream>
using namespace std;
 
int main()
{
    // Get the array
    int arr[] = { 1, 45, 54, 71, 76, 12 };
 
    // Compute the sizes
    int n = sizeof(arr) / sizeof(arr[0]);
 
    // Print the array
    cout << "Array: ";
    for (int i = 0; i < n; i++)
        cout << arr[i] << " ";
 
    // Reverse the array
    reverse(arr, arr + n);
 
    // Print the reversed array
    cout << "\nReversed Array: ";
    for (int i = 0; i < n; i++)
        cout << arr[i] << " ";
    return 0;
}

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Jul 07 2022

Hemant kumar

0 Answers Avg Quality 2/10

reverse an array in c++

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