sum of array

// Online C++ compiler to run C++ program online
#include <iostream>
using namespace std;

int main() {
    // Write C++ code here
    int arr[] ={1,2,3,4,5};
    int n= sizeof(arr)/4;
  int sum=0;
    
     for(int i=0;i<n;i++){
        sum += arr[i];
    }
    cout<<sum;
   

    return 0;
}