using System;
namespace Compare_array
{
    class Compare_array
    {
        static void Main(string[] args)
        {
            int i, flag = 1;
            char[] str1 = new char[3];
            char[] str2 = new char[3];
            Console.WriteLine("Enter the first string of length five");
            str1 = Console.ReadLine().ToCharArray();
            Console.WriteLine("Enter the second string of length five");
            str2 = Console.ReadLine().ToCharArray();
            for (i = 0; i <= 2; i++)
            {
                if (str1[i] != str2[i])
                {
                    flag = 0;
                    break;
                }
                if (flag == 1)
                {
                    Console.WriteLine("The strings are identical");
                }
                else
                {
                    Console.WriteLine("The strings are not identical");
                }
            }
        }
    }
}
输入的str1为 a b c;  str2为 a c b;那为什么会输出两次 The strings are identical b 与 c 不是不相同的吗？那么应该就跳出循环，只输出一次The strings are identical 还请前辈指点

a空格b空格c
a空格c空格b

a相同
第一个空格相同