how to sort in reverse in c++ using sort code example

Example 1: reverse sort cpp

int main(){    
  	int arr[5] = {1,3,2,4,5};
	sort(arr, arr+5, greater<int>()); 
  	// arr == {5,4,3,2,1}
  	return 0;
}

Example 2: how to sort in descending order in c++

sort(str.begin(), str.end(), greater<int>());
cout<<str;