C++ :

#include <iostream>
#include <cmath>
#include <cstring>
using namespace std;
char ch1[101]="Hello Hi",ch2[51]="Nice to Meet You";
int main()
{
  cout<<ch1<<endl<<ch2<<endl;
  cout<<ch1[1]<<ch1[3]<<ch1[5]<<ch1[7]<<endl;
  cout<<ch2[0]<<ch2[2]<<ch2[4]<<ch2[6]<<ch2[8]<<endl;
  return 0;
}