資料結構之圖 Part2 - 2

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鄰接表

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace LH.GraphConsole{    public struct AdjacencyListGraph    {        public List<EdgeItem>[] VertexNodes;        public AdjacencyListGraph(int vertexNumber)        {            VertexNodes = new List<EdgeItem>[vertexNumber];            for (int i = 0; i < vertexNumber; i++)            {                VertexNodes[i] = new List<EdgeItem>();            }        }    }    public struct EdgeItem    {        public int Weight;        public List<EdgeItem> NextNode;        public EdgeItem(int weight, List<EdgeItem> nextNote)        {            Weight = weight;            NextNode = nextNote;        }    }}

同樣是簡單的主程式：

namespace LH.GraphConsole{    class Program    {        static void Main(string[] args)        {            AdjacencyList();        }        private static void AdjacencyList()        {            int vertexNumber = 5;            var adjacencyListGraph = new AdjacencyListGraph(vertexNumber);            adjacencyListGraph.VertexNodes[0].Add(new EdgeItem(6, adjacencyListGraph.VertexNodes[4]));            adjacencyListGraph.VertexNodes[1].Add(new EdgeItem(9, adjacencyListGraph.VertexNodes[0]));            adjacencyListGraph.VertexNodes[1].Add(new EdgeItem(3, adjacencyListGraph.VertexNodes[2]));            adjacencyListGraph.VertexNodes[2].Add(new EdgeItem(2, adjacencyListGraph.VertexNodes[0]));            adjacencyListGraph.VertexNodes[2].Add(new EdgeItem(5, adjacencyListGraph.VertexNodes[3]));            adjacencyListGraph.VertexNodes[3].Add(new EdgeItem(1, adjacencyListGraph.VertexNodes[4]));        }    }}

下一部分part3來看十字鏈表。