using System;
using System.Linq;
class HelloArray {
static void Main() {
int[] tab1 = { -5, -4, -3, -2, -1, 0, 1, 2, 3, 4 };
int[] tab2 = new int[10];
Console.WriteLine(String.Join(" ", tab1));
tab2 = tab1.Where(e => e > 0).ToArray();
Console.WriteLine("1. " + String.Join(" ", tab2));
Array.Clear(tab2, 0, tab2.Length);
tab2 = Array.FindAll(tab1, e => e > 0).ToArray();
Console.WriteLine("2. " + String.Join(" ", tab2));
}
}