5.16

#include<iostream>

using namespace std;

int main()

{

       int a[5];

       for(int i=0;i<5;i++)

       {

              cin>>a[i];

       }

       return 0;

}

6-4

#include<iostream>

#define N 40

using namespace std;

int main()

{

       int oneArray[N];

       int c = (unsigned)(sizeof(oneArray) / sizeof(oneArray[0]));

       cout<<c<<endl;

       return 0;

}