C++ Program to Print uncommon elements from two sorted arrays

// C++ program to find uncommon elements of
// two sorted arrays
#include <bits/stdc++.h>
using namespace std;

void printUncommon(int arr1[], int arr2[], 
                           int n1, int n2)
{

    int i = 0, j = 0, k = 0;
    while (i < n1 && j < n2) {

        // If not common, print smaller
        if (arr1[i] < arr2[j]) {
            cout << arr1[i] << " ";
            i++;
            k++;
        }
        else if (arr2[j] < arr1[i]) {
            cout << arr2[j] << " ";
            k++;
            j++;
        }

        // Skip common element
        else {
            i++;
            j++;
        }
    }

    // printing remaining elements
    while (i < n1) {
        cout << arr1[i] << " ";
        i++;
        k++;
    }
    while (j < n2) {
        cout << arr2[j] << " ";
        j++;
        k++;
    }
}

// Driver code
int main()
{
    int arr1[] = {10, 20, 30};
    int arr2[] = {20, 25, 30, 40, 50};

    int n1 = sizeof(arr1) / sizeof(arr1[0]);
    int n2 = sizeof(arr2) / sizeof(arr2[0]);

    printUncommon(arr1, arr2, n1, n2);

    return 0;
}