#include <iostream> #include <algorithm> #include <random> #include <ctime> using namespace std; int main() { int numbers[] = {1, 2, 3, 4, 5}; int size = sizeof(numbers) / sizeof(numbers[0]); unsigned seed = time(0); shuffle(numbers, numbers + size, default_random_engine(seed)); for (int num : numbers) { cout << num << " "; } return 0; }