C#實現堆排序（順序存儲）

using System;

namespace Algorithm
{
    internal class Program
    {
        public static void Main(string[] args)
        {
            int[] ints = {50, 10, 90, 30, 70, 40, 80, 60, 20};
            MeapSort(ints);
            foreach (var i in ints)
            {
                Console.WriteLine(i);
            }
        }

        public static void MeapSort(int[] ints)
        {
            for (int i = ints.Length / 2; i >= 1; i--)
            {
                SwapTriangle(ints, i,ints.Length);
            }

            for (int i = ints.Length; i > 1; i--)
            {
                int temp = ints[0];
                ints[0] = ints[i - 1];
                ints[i - 1] = temp;
                SwapTriangle(ints, 1,i-1);
            }
        }

        //對數組ints到Maxlenth長度，在nodeNumber位置進行比較排列
        private static void SwapTriangle(int[] ints, int nodeNumer,int MaxLenth)
        {
            int maxNodeNumber = nodeNumer;

            if (nodeNumer * 2 > MaxLenth) return;

            if (ints[maxNodeNumber - 1] < ints[nodeNumer * 2 - 1])
            {
                maxNodeNumber = nodeNumer * 2;
            }

            if (nodeNumer * 2 + 1 > MaxLenth) goto judge;

            if (ints[maxNodeNumber - 1] < ints[nodeNumer * 2])
            {
                maxNodeNumber = nodeNumer * 2 + 1;
            }

            judge:
            if (maxNodeNumber != nodeNumer)
            {
                int temp = ints[nodeNumer - 1];
                ints[nodeNumer - 1] = ints[maxNodeNumber - 1];
                ints[maxNodeNumber - 1] = temp;
                SwapTriangle(ints, maxNodeNumber,MaxLenth);
            }
        }
    }
}