using System;
public class Test
{
private static void ChangeArray(int[] array)
{
for(int i = 0; i < array.Length; ++i)
{
array[i] = 2*i;
}
}
public static void Main()
{
int[] test = new int[10];
ChangeArray(test);
System.Console.WriteLine(test[9]);
}
}
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