Sorting Array in c++

#include<bits/stdc++.h>
using namespace std;

int main() {

    int n;
    cout<<"Please Input Size of array"<<endl;
    cin>>n;
    cout<<"Please Input "<<n<< " Numbers"<<endl;
    int arr[n];
    for(int i=0;i<n;i++){
        cin>>arr[i];
    }
    sort(arr,arr+n);
    cout<<"After Sorting Array"<<endl;
    for(int i=0;i<n;i++){
        cout<<arr[i]<<endl;
    }
    return 0;
}