Code 1

#include <iostream>
#include <algorithm>

int main() {
const int size = 5;
int arr[size] = { 5, 2, 8, 1, 6 };

// Sort array in descending order
std::sort(arr, arr + size, std::greater<int>());

// Print the sorted array
std::cout << "Array in descending order: ";
for (int i = 0; i < size; ++i) {
    std::cout << arr[i] << " ";
}
std::cout << std::endl;

return 0;

}