using System;
using System.Collections.Generic;
using System.Text;

namespace Test
{
    class Program
    {
        static void Main(string[] args)
        {
            //声明整型数组，保存一组整数
            int[] num = new int[] { 3,34,43,2,11,19,30,55,20};
            //请完善代码，判断数组中有没有7的整倍数
            bool has7=false;
            for(int i=0;i<=num.Length;i++)
            if(num[i]==0)
           {
               has7=ture;
               break;
           }
        }
        if(has7)
        Console.WriteLine("有7的倍数");
        else
        Console.WriteLine("没有7的倍数");
    }
}