using System;

using System.Collections.Generic;

using System.Linq;

​

public class P {

    public static int[] primes(int n){

        List<int> result = new List<int>();

        int i = 1;

        while(result.Count < n) {

            if(isPrime(i)) result.Add(i);

            i++;

        }

        return result.ToArray();

    } 

    public static bool isPrime(int n){

        if(n % 2 == 0 && n != 2) return false;

        int x = 2;

        while(x < n/2){

            if(n % x == 0) return false;

        }

        return true;

    }

    public static void print(int[] r) => 

        Console.WriteLine("["+String.Join(",", r)+"]");

    public static void Main(){

        // primes(6) --> [1, 2, 3, 5, 7, 11];

        print( primes(0) );

        print( primes(1) );

        print( primes(2) );

        print( primes(3) );

        print( primes(6) );

    }

}

​

​