using System;

public class Program

{

    public static void Main()

    {

        int i;

        Console.WriteLine("Usando FOR:\n");

        for(i=0; i<101; i++){

        Console.WriteLine(i);

        }

        Console.WriteLine("\nUsando WHILE:\n");

        i=0;

        while(i<101){

        Console.WriteLine(i);

        i++;

        }

        Console.WriteLine("\nUsando DO WHILE:\n");

        i = 0;

        do{

        Console.WriteLine(i);

        i++;

        }

        while(i<101);

​

    }

}