include

int main() {
int arr[10] = {1, -2, 3, -4, 5, -6, 7, -8, 9, -10};
int product = 1;

for (int i = 0; i < 10; i++) {
if (arr[i] < 0) {
product *= arr[i];
}
std::cout << arr[i] << " ";
}
std::cout << std::endl;
std::cout << "Произведение отрицательных элементов: " << product << std::endl;
return 0;

}