// nested.cpp: example of nested functions in C++

#include <iostream>
using namespace std;

class nested
{
public:
   nested()
   {
      enum { base = 13 };
      class Exp
      {
      private:
         int res;
      public:
         void compute(int power)
         {
            res = 1;
            for(int i = 0; i < power; ++i)
               res *= base;
         }
         int getRes() { return res; }
      };
      Exp *vol = new Exp();
      vol->compute(3);
      cout << "volume is " << vol->getRes() << endl;
   }
};

int main()
{
   nested n;
   return 0;
}