foreach & Random

using System;
public class ForEachTest
{
    public static void Main()
    {
        int odd=0;
        int eve=0;
        int length=100;
        int[] arr=new int[length];
        Random r = new Random();
        for(int i=0;i<length;i++)  //随机数赋值
        {
            arr[i]= r.Next();
        }
        foreach(int tem in arr)  //foreach 举例
        {
            if(tem%2==0)
                eve++;
            else
                odd++;
        }
        Console.WriteLine("奇数"+odd+"个");
        Console.WriteLine("偶数"+eve+"个");
    }
}