#include <iostream> using namespace std; int main() { int first[] = {1, 2, 3}; int second[] = {4, 5, 6}; int merged[6]; for (int i = 0; i < 3; i++) { merged[i] = first[i]; merged[i + 3] = second[i]; } for (int num : merged) { cout << num << " "; } return 0; }