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云代码 - c#代码库

正整数的非递增和式

2014-03-28 作者: 半阙残词举报

[c#]代码库

using  System;
 
namespace demo4
{
    class descompose
    {
        static uint[] iArray = new uint[100];
 
        public static void Main(String[] args)
        {
            uint n = 0;
            //bool inp = true;
            Console.WriteLine("Please input a number whose type is unit:");
            /*while(inp == true)
            {
 
                if(uint.TryParse(Console.ReadLine(),out n) == false)
                {
                    Console.WriteLine("输入不合法!");
                    inp = true;
                }
                else
                {
                    iArray[0] = n;
                    inp = false;
                    break;
                }
            }*/
              while (!uint.TryParse(Console.ReadLine(),out n))
            Console.WriteLine("格式不正确,重新输入:\n");
            iArray[0] = n;
            uint k = 1;
            decompose(n,k);
        }
 
        private static void decompose(uint n,uint k)
        {
            uint i = (n < iArray[k - 1]) ? n : iArray[k - 1];
            while (i > 0)
            {
                iArray[k] = i;
                if(i == n)
                {
                    Console.Write("\r\n{0} = {1}",iArray[0],iArray[1]);
                    for(uint j = 2; j <= k; j++)
                    {
                        Console.Write("+ {0}",iArray[j]);
                    }
                }
                else
                {
                    decompose(n - i,k + 1);
                }
                i--;
            }
        }
    }
}


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