Merge Two Arrays

#include <iostream>
using namespace std;

int main() {
    int arr1[] = {1, 2, 3};
    int arr2[] = {4, 5, 6};
    int n1 = 3, n2 = 3;
    
    int merged[n1 + n2];
    
    // Copy first array
    for (int i = 0; i < n1; i++) {
        merged[i] = arr1[i];
    }
    
    // Copy second array
    for (int i = 0; i < n2; i++) {
        merged[n1 + i] = arr2[i];
    }
    
    cout << "Merged array: ";
    for (int i = 0; i < n1 + n2; i++) {
        cout << merged[i] << " ";
    }
    cout << endl;
    
    return 0;
}