2. C++ program to swap first and last element of an integer 1-d array.


#include<iostream>
using namespace std;

int main()
{
    int n, temp;
    cout<<"Enter Number of elements you want to enter :: ";
    cin>>n;
    int arr[n];
    for(int i = 0;i<n;i++){
        cin>>arr[i];
    }
    temp = arr[0];
    arr[0] = arr[n-1];
    arr[n-1] = temp;
    cout<<"Array after swapping first and last elements "<<endl;
    for(int i = 0;i<n;i++){
        cout<<arr[i]<<"\t";
    }
    return 0;
}

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