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Reformat the C# codes.
Disable creating new line before open brace.
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@@ -10,58 +10,49 @@ using NUnit.Framework;
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namespace hello_algo.chapter_graph;
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/* 基于邻接矩阵实现的无向图类 */
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class GraphAdjMat
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{
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class GraphAdjMat {
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List<int> vertices; // 顶点列表,元素代表“顶点值”,索引代表“顶点索引”
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List<List<int>> adjMat; // 邻接矩阵,行列索引对应“顶点索引”
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/* 构造函数 */
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public GraphAdjMat(int[] vertices, int[][] edges)
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{
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public GraphAdjMat(int[] vertices, int[][] edges) {
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this.vertices = new List<int>();
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this.adjMat = new List<List<int>>();
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// 添加顶点
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foreach (int val in vertices)
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{
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foreach (int val in vertices) {
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addVertex(val);
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}
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// 添加边
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// 请注意,edges 元素代表顶点索引,即对应 vertices 元素索引
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foreach (int[] e in edges)
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{
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foreach (int[] e in edges) {
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addEdge(e[0], e[1]);
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}
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}
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/* 获取顶点数量 */
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public int size()
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{
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public int size() {
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return vertices.Count;
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}
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/* 添加顶点 */
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public void addVertex(int val)
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{
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public void addVertex(int val) {
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int n = size();
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// 向顶点列表中添加新顶点的值
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vertices.Add(val);
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// 在邻接矩阵中添加一行
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List<int> newRow = new List<int>(n);
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for (int j = 0; j < n; j++)
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{
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for (int j = 0; j < n; j++) {
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newRow.Add(0);
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}
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adjMat.Add(newRow);
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// 在邻接矩阵中添加一列
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foreach (List<int> row in adjMat)
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{
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foreach (List<int> row in adjMat) {
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row.Add(0);
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}
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}
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/* 删除顶点 */
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public void removeVertex(int index)
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{
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public void removeVertex(int index) {
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if (index >= size())
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throw new IndexOutOfRangeException();
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// 在顶点列表中移除索引 index 的顶点
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@@ -69,16 +60,14 @@ class GraphAdjMat
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// 在邻接矩阵中删除索引 index 的行
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adjMat.RemoveAt(index);
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// 在邻接矩阵中删除索引 index 的列
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foreach (List<int> row in adjMat)
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{
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foreach (List<int> row in adjMat) {
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row.RemoveAt(index);
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}
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}
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/* 添加边 */
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// 参数 i, j 对应 vertices 元素索引
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public void addEdge(int i, int j)
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{
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public void addEdge(int i, int j) {
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// 索引越界与相等处理
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if (i < 0 || j < 0 || i >= size() || j >= size() || i == j)
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throw new IndexOutOfRangeException();
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@@ -89,18 +78,16 @@ class GraphAdjMat
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/* 删除边 */
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// 参数 i, j 对应 vertices 元素索引
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public void removeEdge(int i, int j)
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{
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public void removeEdge(int i, int j) {
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// 索引越界与相等处理
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if (i < 0 || j < 0 || i >= size() || j >= size() || i == j)
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throw new IndexOutOfRangeException();
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adjMat[i][j] = 0;
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adjMat[j][i] = 0;
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}
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/* 打印邻接矩阵 */
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public void print()
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{
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public void print() {
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Console.Write("顶点列表 = ");
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PrintUtil.PrintList(vertices);
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Console.WriteLine("邻接矩阵 =");
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@@ -108,11 +95,9 @@ class GraphAdjMat
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}
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}
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public class graph_adjacency_matrix
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{
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public class graph_adjacency_matrix {
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[Test]
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public void Test()
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{
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public void Test() {
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/* 初始化无向图 */
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// 请注意,edges 元素代表顶点索引,即对应 vertices 元素索引
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int[] vertices = { 1, 3, 2, 5, 4 };
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