ex9.cpp

// Solution to Exercise 9
// (NDE, 2014-01-03)
#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
int main()
{
  cout << fixed << setprecision(3);
  for (int n = 1; n <= 20; ++n) {
    cout << setw(3) << n;
    cout << setw(8) << sqrt(n) << endl;
  }
  return 0;
}