//Long words

#include <iostream>
#include <string>

using namespace std;


int main()
{
    const int max_s=30;
    string word[max_s];
    int nr;
    bool err_m;

     do
   {
     cout << "how many words (1<=nr<= "<<max_s<< ") " << endl;
     cin>>nr;
     err_m = nr<1 || nr>30;
     if(err_m)
     cout<<"wrong nr.!" <<endl;
   }while(err_m);

   //read in..:

   cout<<"Give the words : \n "<<endl;
   for(int i=0; i<nr; ++i)
   {
       
       cin>>word[i];
   }

   //which is the longest one

   unsigned max_w=word[0].size();
   int ind=0;
    for(int i=0; i<nr; ++i)
   {
       if(word[i].size()>max_w)
       {
        max_w=word[i].size();
        ind=i;
       }
   }

   cout<<"The longest one is:  "<<word[ind]<<endl;
   cout<<" its length is: "<<max_w<<endl;


    return 0;
}