get array size.txt

#include<iostream>
using namespace std;


    
int main()
{
  
    int i;
int a[]={12,245,41,4,112,11,15,1,2};//every index has size of 4 and total size of array is 36 u have to devide the total size of array with size of single element
                                       //toget the total element in the array

int size_n=sizeof(a)/sizeof(a[1]);// here we are getting total elements in arrays
for(i=0;i<=size_n;i++)
{
    cout<<a[i]<<endl;
    
}
 
}