using System;
namespace ConsoleApplication_C_Sharp
{
class Program
{
static void Main(string[] args)
{
int[] arr1 = new int[] { 1, 2, 3, 4, 5 };
foreach (int n1 in arr1)
Console.Write("{0, 5}", n1);
Console.WriteLine();
arr1[0] = -1;
arr1[4] = -5;
foreach (int n1 in arr1)
Console.Write("{0, 5}", n1);
Console.WriteLine(); Console.WriteLine();
int[] arr2 = new int[5] { 10, 20, 30, 40, 50 };
foreach (int n2 in arr2)
Console.Write("{0, 5}", n2);
arr2[0] = -10;
arr2[4] = -50;
Console.WriteLine();
foreach (int n2 in arr2)
Console.Write("{0, 5}", n2);
Console.WriteLine(); Console.WriteLine();
int[] arr3 = { 100, 200, 300, 400, 500 };
foreach (int n3 in arr3)
Console.Write("{0, 5}", n3);
arr3[0] = -100;
arr3[4] = -500;
Console.WriteLine();
foreach (int n3 in arr3)
Console.Write("{0, 5}", n3);
Console.WriteLine();
}
}
}
/*
run:
1 2 3 4 5
-1 2 3 4 -5
10 20 30 40 50
-10 20 30 40 -50
100 200 300 400 500
-100 200 300 400 -500
*/
