Sort in Descding order

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int arr[]={5,4,9,6,3,7,2};
    int n=sizeof(arr)/sizeof(int);
    sort(arr,arr+n,greater<int>());
    for(int i=0;i<n;i++)
    {
        cout<<arr[i]<<" ";
    }
}