“Zyklisch ein Array um einmal umdrehen” Code-Antworten

Zyklisch ein Array um einmal umdrehen

#include <iostream>
using namespace std;
 
void rotate(int arr[], int n)
{
    int i = 0, j = n-1; // i and j pointing to first and last element respectively
      while(i != j){
      swap(arr[i], arr[j]);
      i++;
    }
}
 
// Driver code
int main()
{
    int arr[] = {1, 2, 3, 4, 5}, i;
    int n = sizeof(arr) /
            sizeof(arr[0]);
 
    cout << "Given array is \n";
    for (i = 0; i < n; i++)
        cout << arr[i] << " ";
 
    rotate(arr, n);
 
    cout << "\nRotated array is\n";
    for (i = 0; i < n; i++)
        cout << arr[i] << " ";
 
    return 0;
}