stl for sorting in c 2b 2b

1
2// STL IN C++ FOR SORING
3#include <bits/stdc++.h> 
4#include <iostream> 
5using namespace std; 
6int main() 
7{ 
8    int arr[] = {1, 5, 8, 9, 6, 7, 3, 4, 2, 0}; 
9    int n = sizeof(arr)/sizeof(arr[0]); 
10    sort(arr, arr+n);  // ASCENDING SORT
11    reverse(arr,arr+n);   //REVERESE ARRAY 
12    sort(arr, arr + n, greater<int>());// DESCENDING SORT
13  } 

1sort(arr, arr + n, greater<int>())