count num of eli in cpp

#include <iostream>
using namespace std;
int main()
{
    int arr[10]={},count=0;;
    for(int i=0;i<4;i++)
    {
        cout<<"Enter an element:";
        cin>>arr[i];
    }
    for(int i=0;i<10;i++)
    {
        if(arr[i]!='\0')
            count++;
    }
    cout<<"Elements in array are: "<<count;
}