Write a program which accepts a single unsigned integer para

Write a program which accepts a single unsigned integer parameter n, calculate the first n Lucas numbers, stores them in an array and the prints the Lucas numbers, the sum of the Lucas numbers and all of the even Lucas numbers

Solution

#include <iostream>
using namespace std;

int main(void)
{
   int n;
   cout<<\"Please enter a positive number:\";
   cin>>n;
   int a[n];
   a[0]=2;
   a[1]=1;
   for(int i=2;i<n;i++)
   {
       a[i] = a[i-1]+a[i-2];
   }
   int sum=0;
   cout<<\"The first \"<<n<<\" lucas numbers are: \";
   for(int i=0;i<n;i++)
   {
       cout<< a[i]<<\' \';
       sum += a[i];
   }
   cout<<endl;

   cout<<\"The sum of first \"<<n<<\" lucas numbers is:\"<<sum<<endl;

   cout<<\"The even numbers in first \"<<n<<\" lucas numbers are: \";
   for(int i=0;i<n;i++)
   {
       if(a[i]%2==1)continue;
       cout<< a[i]<<\' \';
       //sum += a[i];
   }
   cout<<endl;

   return 0;
}