diff --git a/README.md b/README.md
index a848ac6..d36fa1a 100644
--- a/README.md
+++ b/README.md
@@ -186,6 +186,8 @@ void printff(){
}
}
```
+![C21](images/C21.svg)
+![C22](images/C22.svg)
##C3:创建邻接矩阵、打印邻接矩阵和执行Dijkstra算法{152-230}
```
void createjz(){//创建邻接矩阵函数
diff --git a/images/C21.svg b/images/C21.svg
new file mode 100644
index 0000000..eb48bb3
--- /dev/null
+++ b/images/C21.svg
@@ -0,0 +1,159 @@
+
+
+
+
diff --git a/images/C22.svg b/images/C22.svg
new file mode 100644
index 0000000..8cb15d3
--- /dev/null
+++ b/images/C22.svg
@@ -0,0 +1,48 @@
+
+
+
+