将j设置为大于-等于

问题描述

我在行"j> = j * n"时遇到了一些问题
我收到以下错误:

I''m having some problems with the line "j >= j * n"
I get the following error:

Only assignment, call, increment, decrement, and new object expressions can be used as a statement.

我正在尝试增加 j .

and I am trying to, increment, j.

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

namespace Functions
{
    public class Factorial
    {
        // The "Calc" static method calculates the factorial value for the
        // specified integer passed in:
        public static int Calc(int i)
        {
            return ((i <= 1) ? 1 : (i * Calc(i - 1)));
        }
    }
}

namespace infini
{
    class infini
    {
        static void Main(string[] args)
        {
            int n;
            int j;
            n = 3;

            Dictionary<string, int> d =
new Dictionary<string, int>();

            d.Add("A1", 0);

            List<int> range = new List<int>();
            for (int i = 1; i > 0; i++)
            {
                j = 1 - d["A1"] / Calc(n) ;
                while ((i * j) < 1)
                {
                    j >= j * n;
                }
            }




        }

        private static int Calc(int n)
        {
            throw new NotImplementedException();
        }

        public static int Factorial { get; set; }
    }
}

推荐答案

j = j + 1; //Add 1 to j, and store that in j
j += 1; //Add one to j, and store it in j (shorthand notation)
j++; //Increment j with 1 (even shorter shorthand notation)

//Or with n

j += n; //Add n to j, and store in j(same as j = j + n)
j *= n; //Multiply j with n, and store in j (same as j = j * n)

希望这对您有所帮助，如果没有，请随时发表评论.

Hope this helps you on your way, if not, feel free to post a comment.

j >= j * n;

不是有效的声明.
您正在尝试做什么(您知道，您可以只使用(有效)语句

is NOT a valid statement.
What are you trying to do (you know, you may just use the (valid) statement

j++;

用于递增j).


顺便说一句，没有 设置j大于或等于i" ，但只有 测试j是否大于或等于i" (至少在我所知道的编程语言中).

for incrementing j).


BTW there is NO "setting j greater than or equal to i", but only "testing if j is greater or equal to i" (at least in the programming languages I know).

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