reverseTwopointer.cpp

// To reverse array of given data using two poiter approach
// Created by Vatsal Jha on 12th October 2022
#include <iostream>
using namespace std;
void reverseArray(int arr[], int n)
{
    int s = 0;
    int e = n - 1;
    while (s <= e)
    {
        int temp = arr[s];
        arr[s] = arr[e];
        arr[e] = temp;
        s++;
        e--;
    }
    cout << "after reversing" << endl;
    for (int i = 0; i < n; i++)
    {
        cout << arr[i] << " ";
    }
    cout << endl;
}
int main()
{
    int arr[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
    int k = sizeof(arr) / sizeof(int);
    cout << "before reversing=" << endl;
    for (int i = 0; i < k; i++)
    {
        cout << arr[i] << " ";
    }
    cout << endl;
    reverseArray(arr, k);
    return 0;
}