From 64517f2f46f4686dd26aca5783ba531c1939bb92 Mon Sep 17 00:00:00 2001
From: Yudong Jin <krahets@163.com>
Date: Fri, 3 Feb 2023 01:12:37 +0800
Subject: [PATCH] Update graph operations.

---
 .../adjacency_list_add_edge.png               | Bin
 .../adjacency_list_add_vertex.png             | Bin
 .../adjacency_list_initialization.png         | Bin
 .../adjacency_list_remove_edge.png            | Bin
 .../adjacency_list_remove_vertex.png          | Bin
 .../adjacency_matrix_add_edge.png             | Bin
 .../adjacency_matrix_add_vertex.png           | Bin
 .../adjacency_matrix_initialization.png       | Bin
 .../adjacency_matrix_remove_edge.png          | Bin
 .../adjacency_matrix_remove_vertex.png        | Bin
 ...ration_of_graph.md => graph_operations.md} |  20 +++++++++---------
 docs/index.md                                 |   8 ++++---
 mkdocs.yml                                    |   2 +-
 13 files changed, 16 insertions(+), 14 deletions(-)
 rename docs/chapter_graph/{basic_operation_of_graph.assets => graph_operations.assets}/adjacency_list_add_edge.png (100%)
 rename docs/chapter_graph/{basic_operation_of_graph.assets => graph_operations.assets}/adjacency_list_add_vertex.png (100%)
 rename docs/chapter_graph/{basic_operation_of_graph.assets => graph_operations.assets}/adjacency_list_initialization.png (100%)
 rename docs/chapter_graph/{basic_operation_of_graph.assets => graph_operations.assets}/adjacency_list_remove_edge.png (100%)
 rename docs/chapter_graph/{basic_operation_of_graph.assets => graph_operations.assets}/adjacency_list_remove_vertex.png (100%)
 rename docs/chapter_graph/{basic_operation_of_graph.assets => graph_operations.assets}/adjacency_matrix_add_edge.png (100%)
 rename docs/chapter_graph/{basic_operation_of_graph.assets => graph_operations.assets}/adjacency_matrix_add_vertex.png (100%)
 rename docs/chapter_graph/{basic_operation_of_graph.assets => graph_operations.assets}/adjacency_matrix_initialization.png (100%)
 rename docs/chapter_graph/{basic_operation_of_graph.assets => graph_operations.assets}/adjacency_matrix_remove_edge.png (100%)
 rename docs/chapter_graph/{basic_operation_of_graph.assets => graph_operations.assets}/adjacency_matrix_remove_vertex.png (100%)
 rename docs/chapter_graph/{basic_operation_of_graph.md => graph_operations.md} (90%)

diff --git a/docs/chapter_graph/basic_operation_of_graph.assets/adjacency_list_add_edge.png b/docs/chapter_graph/graph_operations.assets/adjacency_list_add_edge.png
similarity index 100%
rename from docs/chapter_graph/basic_operation_of_graph.assets/adjacency_list_add_edge.png
rename to docs/chapter_graph/graph_operations.assets/adjacency_list_add_edge.png
diff --git a/docs/chapter_graph/basic_operation_of_graph.assets/adjacency_list_add_vertex.png b/docs/chapter_graph/graph_operations.assets/adjacency_list_add_vertex.png
similarity index 100%
rename from docs/chapter_graph/basic_operation_of_graph.assets/adjacency_list_add_vertex.png
rename to docs/chapter_graph/graph_operations.assets/adjacency_list_add_vertex.png
diff --git a/docs/chapter_graph/basic_operation_of_graph.assets/adjacency_list_initialization.png b/docs/chapter_graph/graph_operations.assets/adjacency_list_initialization.png
similarity index 100%
rename from docs/chapter_graph/basic_operation_of_graph.assets/adjacency_list_initialization.png
rename to docs/chapter_graph/graph_operations.assets/adjacency_list_initialization.png
diff --git a/docs/chapter_graph/basic_operation_of_graph.assets/adjacency_list_remove_edge.png b/docs/chapter_graph/graph_operations.assets/adjacency_list_remove_edge.png
similarity index 100%
rename from docs/chapter_graph/basic_operation_of_graph.assets/adjacency_list_remove_edge.png
rename to docs/chapter_graph/graph_operations.assets/adjacency_list_remove_edge.png
diff --git a/docs/chapter_graph/basic_operation_of_graph.assets/adjacency_list_remove_vertex.png b/docs/chapter_graph/graph_operations.assets/adjacency_list_remove_vertex.png
similarity index 100%
rename from docs/chapter_graph/basic_operation_of_graph.assets/adjacency_list_remove_vertex.png
rename to docs/chapter_graph/graph_operations.assets/adjacency_list_remove_vertex.png
diff --git a/docs/chapter_graph/basic_operation_of_graph.assets/adjacency_matrix_add_edge.png b/docs/chapter_graph/graph_operations.assets/adjacency_matrix_add_edge.png
similarity index 100%
rename from docs/chapter_graph/basic_operation_of_graph.assets/adjacency_matrix_add_edge.png
rename to docs/chapter_graph/graph_operations.assets/adjacency_matrix_add_edge.png
diff --git a/docs/chapter_graph/basic_operation_of_graph.assets/adjacency_matrix_add_vertex.png b/docs/chapter_graph/graph_operations.assets/adjacency_matrix_add_vertex.png
similarity index 100%
rename from docs/chapter_graph/basic_operation_of_graph.assets/adjacency_matrix_add_vertex.png
rename to docs/chapter_graph/graph_operations.assets/adjacency_matrix_add_vertex.png
diff --git a/docs/chapter_graph/basic_operation_of_graph.assets/adjacency_matrix_initialization.png b/docs/chapter_graph/graph_operations.assets/adjacency_matrix_initialization.png
similarity index 100%
rename from docs/chapter_graph/basic_operation_of_graph.assets/adjacency_matrix_initialization.png
rename to docs/chapter_graph/graph_operations.assets/adjacency_matrix_initialization.png
diff --git a/docs/chapter_graph/basic_operation_of_graph.assets/adjacency_matrix_remove_edge.png b/docs/chapter_graph/graph_operations.assets/adjacency_matrix_remove_edge.png
similarity index 100%
rename from docs/chapter_graph/basic_operation_of_graph.assets/adjacency_matrix_remove_edge.png
rename to docs/chapter_graph/graph_operations.assets/adjacency_matrix_remove_edge.png
diff --git a/docs/chapter_graph/basic_operation_of_graph.assets/adjacency_matrix_remove_vertex.png b/docs/chapter_graph/graph_operations.assets/adjacency_matrix_remove_vertex.png
similarity index 100%
rename from docs/chapter_graph/basic_operation_of_graph.assets/adjacency_matrix_remove_vertex.png
rename to docs/chapter_graph/graph_operations.assets/adjacency_matrix_remove_vertex.png
diff --git a/docs/chapter_graph/basic_operation_of_graph.md b/docs/chapter_graph/graph_operations.md
similarity index 90%
rename from docs/chapter_graph/basic_operation_of_graph.md
rename to docs/chapter_graph/graph_operations.md
index 8152e21a6..50b05f2eb 100644
--- a/docs/chapter_graph/basic_operation_of_graph.md
+++ b/docs/chapter_graph/graph_operations.md
@@ -16,19 +16,19 @@ comments: true
 - **初始化**：传入 $n$ 个顶点，初始化长度为 $n$ 的顶点列表 `vertices` ，使用 $O(n)$ 时间；初始化 $n \times n$ 大小的邻接矩阵 `adjMat` ，使用 $O(n^2)$ 时间。
 
 === "初始化邻接矩阵"
-    ![adjacency_matrix_initialization](basic_operation_of_graph.assets/adjacency_matrix_initialization.png)
+    ![adjacency_matrix_initialization](graph_operations.assets/adjacency_matrix_initialization.png)
 
 === "添加边"
-    ![adjacency_matrix_add_edge](basic_operation_of_graph.assets/adjacency_matrix_add_edge.png)
+    ![adjacency_matrix_add_edge](graph_operations.assets/adjacency_matrix_add_edge.png)
 
 === "删除边"
-    ![adjacency_matrix_remove_edge](basic_operation_of_graph.assets/adjacency_matrix_remove_edge.png)
+    ![adjacency_matrix_remove_edge](graph_operations.assets/adjacency_matrix_remove_edge.png)
 
 === "添加顶点"
-    ![adjacency_matrix_add_vertex](basic_operation_of_graph.assets/adjacency_matrix_add_vertex.png)
+    ![adjacency_matrix_add_vertex](graph_operations.assets/adjacency_matrix_add_vertex.png)
 
 === "删除顶点"
-    ![adjacency_matrix_remove_vertex](basic_operation_of_graph.assets/adjacency_matrix_remove_vertex.png)
+    ![adjacency_matrix_remove_vertex](graph_operations.assets/adjacency_matrix_remove_vertex.png)
 
 以下是基于邻接矩阵表示图的实现代码。
 
@@ -179,19 +179,19 @@ comments: true
 - **初始化**：需要在邻接表中建立 $n$ 个结点和 $2m$ 条边，使用 $O(n + m)$ 时间。
 
 === "初始化邻接表"
-    ![adjacency_list_initialization](basic_operation_of_graph.assets/adjacency_list_initialization.png)
+    ![adjacency_list_initialization](graph_operations.assets/adjacency_list_initialization.png)
 
 === "添加边"
-    ![adjacency_list_add_edge](basic_operation_of_graph.assets/adjacency_list_add_edge.png)
+    ![adjacency_list_add_edge](graph_operations.assets/adjacency_list_add_edge.png)
 
 === "删除边"
-    ![adjacency_list_remove_edge](basic_operation_of_graph.assets/adjacency_list_remove_edge.png)
+    ![adjacency_list_remove_edge](graph_operations.assets/adjacency_list_remove_edge.png)
 
 === "添加顶点"
-    ![adjacency_list_add_vertex](basic_operation_of_graph.assets/adjacency_list_add_vertex.png)
+    ![adjacency_list_add_vertex](graph_operations.assets/adjacency_list_add_vertex.png)
 
 === "删除顶点"
-    ![adjacency_list_remove_vertex](basic_operation_of_graph.assets/adjacency_list_remove_vertex.png)
+    ![adjacency_list_remove_vertex](graph_operations.assets/adjacency_list_remove_vertex.png)
 
 基于邻接表实现图的代码如下所示。
 
diff --git a/docs/index.md b/docs/index.md
index 3b6405202..0ab257690 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -68,8 +68,10 @@ hide:
 
 感谢本开源书的每一位撰稿人，是他们的无私奉献让这本书变得更好，他们是：
 
-<a href="https://github.com/krahets/hello-algo/graphs/contributors">
-  <img src="https://contrib.rocks/image?repo=krahets/hello-algo" />
-</a>
+<p align="center">
+    <a href="https://github.com/krahets/hello-algo/graphs/contributors">
+        <img width="600" src="https://contrib.rocks/image?repo=krahets/hello-algo" />
+    </a>
+</p>
 
 ---
diff --git a/mkdocs.yml b/mkdocs.yml
index 7ec072cd7..370745720 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -165,7 +165,7 @@ nav:
     - 8.1. 堆（Heap）: chapter_heap/heap.md
   - 9. 图:
     - 9.1. 图（Graph）: chapter_graph/graph.md
-    - 9.2. 图基础操作: chapter_graph/basic_operation_of_graph.md 
+    - 9.2. 图基础操作: chapter_graph/graph_operations.md 
   - 10. 查找算法:
     - 10.1. 线性查找: chapter_searching/linear_search.md
     - 10.2. 二分查找: chapter_searching/binary_search.md