C언어 두 숫자 사이의 짝수 출력

WriteNumber.cpp

#include<iostream>
using namespace std;

class WriteNumber
{
        private :
                int begin,end,line;
        public:
                WriteNumber(){ begin = 2 , end = 20,line = 5; }
                WriteNumber(int b,int e,int l){ begin = b , end = e,line = l ;}
                void print();
};
void WriteNumber::print()
{
        int cnt=0;
        cout << begin << " ~ " << end <<" 사이의 짝수 출력 (한 줄에"<<line<<"개씩)"<<endl;

        for(int i=begin;i<=end;i++)
        {
                if(i % 2  == 0)
                {
                        cout << i <<"t" ;
                        cnt ++;
                }

                if(cnt == line )
                {
                        cout << endl;
                        cnt= 0;
                }
        }
}
void main()
{
        WriteNumber wn(3,24,6);
        wn.print();
}