C#循环问题，请帮我解决这个问题 [英] C# Loop problem please help me with this

问题描述

using System;

namespace PrintPrice
{
    class Price
    {
       

        static void Main()
        {
            int lineNumber;
            int maximumLineNumber = 10;
            int totalPrice;
            int price = 10;
            int discout = 15;
            int discountPerLine3;
            int pricePerLine;
            for (lineNumber = 1; lineNumber <= maximumLineNumber; lineNumber++)
            {
                
                discountPerLine3 = lineNumber / 3;
                pricePerLine = lineNumber - (discountPerLine3 * 3);
                totalPrice = (discountPerLine3 * discout) + (pricePerLine * price);
                Console.WriteLine("Line " + lineNumber + ": " + totalPrice);

            }
            Console.ReadKey();
        }
    }
}

程序的输出是这样的

the out put of the program is like this

Line 1: 10
Line 2: 20
Line 3: 15
Line 4: 25
Line 5: 35
Line 6: 30
Line 7: 40
Line 8: 50
Line 9: 45
Line 10:55

我只想问一下如何制作这样的程序:

i just want to ask how to make this program like this:

Line 1: 10
Line 2: 15
Line 3: 15
Line 4: 25
Line 5: 30
Line 6: 30
Line 7: 40
Line 8: 45
Line 9: 45
Line 10:55

我应该使用什么语句?
还是在公式中?
请帮我.感谢

what statement should i use?
or is it in the formula?
please help me. thanks

推荐答案

循环没有问题.检查你的数学.拔出计算器并逐步操作.

There is nothing wrong with your loop. Check your math. Pull out the calculator and step through it.

以下是解决您问题的方法.我修改了for()循环以实现结果.这里的要点是需要计算的"totalPriceNext"，以检查下一个结果是否小于上一个.

Following is the solution for your problem. I modified the for() loop to acheive the results. The main point here is the "totalPriceNext" needed to be computed to checked if this next result is less than the previous.

using System;
namespace PrintPrice
{
class Price
{
    static void Main()
    {
        int lineNumber;
        int maximumLineNumber = 10;
        int totalPrice;
        int price = 10;
        int discout = 15;
        //int discountPerLine3;
        //int pricePerLine;
        for (lineNumber = 1; lineNumber <= maximumLineNumber; lineNumber++)
        {
            totalPrice = Compute(lineNumber, price, discout);
            int totalPriceNext = Compute(lineNumber + 1, price, discout);
            if (totalPriceNext < totalPrice)
            {
                totalPrice = totalPriceNext;
            }
            Console.WriteLine("Line " + lineNumber + ": " + totalPrice);

        }
        //Console.ReadKey();
    }
    //returns totalprice
    public static int Compute(int plineNumber, int pprice, int pdiscout)
    {
        int discountPerLine3Local = (plineNumber / 3);
        int pricePerLineLocal = plineNumber - discountPerLine3Local * 3;
        int totalPriceLocal = (discountPerLine3Local * pdiscout) + (pricePerLineLocal * pprice);
        return totalPriceLocal;
    }
}
}

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