C++ cout display cubes from 1 to 10

#include <iostream>
#include <iomanip>                      //for setw
using namespace std;
int main()//from   w w  w . j av  a2s.co m
{
   int numb;                            //define loop variable
   for(numb=1; numb<=10; numb++)        //loop from 1 to 10
   {
      cout << setw(4) << numb;          //display 1st column
      int cube = numb*numb*numb;        //calculate cube
      cout << setw(6) << cube << endl;  //display 2nd column
   }
   return 0;
}