/*
 * Programmieren fuer Physiker, SS 2010
 *
 * Wertetabelle fuer j, j^2 fuer j=1..20
 * Beispiel fuer for / while / do-while
 */

#include <iostream>
#include <iomanip>
using namespace std ;

int main()
{
    // for - Schleife
    for( int j=1; j<=20; j++)
	cout << "j: " << setw(3) << j 
	     << "  j^2: " << setw(5) << j*j << endl ;

    // while - Schleife
    int k = 1 ;
    while (k<=20)
    {
	cout << "k: " << setw(3) << k 
	     << "  k^2: " << setw(5) << k*k << endl ;
	k += 1 ;
    }

    // do .. while - Schleife
    k = 1 ;
    do 
    {
	cout << "k: " << setw(3) << k 
	     << "  k^2: " << setw(5) << k*k << endl ;
	k += 1 ;
    }
    while (k<=20) ;
}