sort array in descending order c++

include

include

int main() { int arr[] = {5, 2, 9, 1, 5}; int n = sizeof(arr)/sizeof(arr[0]);

std::sort(arr, arr + n, std::greater<int>());

for (int i = 0; i < n; i++) {
    std::cout << arr[i] << " ";
}

return 0;

}