Program in C to learn pointer in C

Program in C to learn pointer in C, ptr1.cpp

#include<iostream>
using namespace std;
int main()
{
int numbers[50],*ptr,n,i;
cout<<"\n Enter the counts of number: \n";
cin>>n;
 cout<<"Enter the numbers 1 by 1 \n";
 for(i=0;i<n;i++)
 cin>>numbers[i];
  //checking for the even numbers and adding
  ptr=numbers; //assigning the base address of the array numbers to ptr
  //ptr=numbers[0];
int sum=0;
for(i=0;i<n;i++)
 {
 if((*ptr%2)==0)
   {
   sum+=*ptr;
   ptr++;
   }
  }
        cout<<"Sum of even Numbers in the array numbers is:"<<sum;
        return 0;
}

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