diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 0000000..88884e8
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,28 @@
+{
+ "tasks": [
+ {
+ "type": "cppbuild",
+ "label": "C/C++: gcc.exe build active file",
+ "command": "C:\\mingw64\\mingw64\\bin\\gcc.exe",
+ "args": [
+ "-fdiagnostics-color=always",
+ "-g",
+ "${file}",
+ "-o",
+ "${fileDirname}\\${fileBasenameNoExtension}.exe"
+ ],
+ "options": {
+ "cwd": "${fileDirname}"
+ },
+ "problemMatcher": [
+ "$gcc"
+ ],
+ "group": {
+ "kind": "build",
+ "isDefault": true
+ },
+ "detail": "Task generated by Debugger."
+ }
+ ],
+ "version": "2.0.0"
+}
\ No newline at end of file
diff --git a/graph/Show.drawio.svg b/graph/Show.drawio.svg
new file mode 100644
index 0000000..512a24f
--- /dev/null
+++ b/graph/Show.drawio.svg
@@ -0,0 +1,66 @@
+
\ No newline at end of file
diff --git a/graph/increase_count.drawio.svg b/graph/increase_count.drawio.svg
new file mode 100644
index 0000000..2b61434
--- /dev/null
+++ b/graph/increase_count.drawio.svg
@@ -0,0 +1,120 @@
+
\ No newline at end of file
diff --git a/graph/insert.drawio.svg b/graph/insert.drawio.svg
new file mode 100644
index 0000000..3648733
--- /dev/null
+++ b/graph/insert.drawio.svg
@@ -0,0 +1,102 @@
+
\ No newline at end of file
diff --git a/graph/main.drawio.svg b/graph/main.drawio.svg
new file mode 100644
index 0000000..511f7f2
--- /dev/null
+++ b/graph/main.drawio.svg
@@ -0,0 +1,848 @@
+
\ No newline at end of file
diff --git a/graph/readData.drawio.svg b/graph/readData.drawio.svg
new file mode 100644
index 0000000..b6de3dd
--- /dev/null
+++ b/graph/readData.drawio.svg
@@ -0,0 +1,102 @@
+
\ No newline at end of file
diff --git a/graph/saveData.drawio.svg b/graph/saveData.drawio.svg
new file mode 100644
index 0000000..0af3f30
--- /dev/null
+++ b/graph/saveData.drawio.svg
@@ -0,0 +1,152 @@
+
\ No newline at end of file
diff --git a/graph/a b/graph/save_data.drawio.svg
similarity index 100%
rename from graph/a
rename to graph/save_data.drawio.svg
diff --git a/graph/show_goods.drawio.svg b/graph/show_goods.drawio.svg
new file mode 100644
index 0000000..47b0ea3
--- /dev/null
+++ b/graph/show_goods.drawio.svg
@@ -0,0 +1,102 @@
+
\ No newline at end of file
diff --git a/graph/sort.drawio.svg b/graph/sort.drawio.svg
new file mode 100644
index 0000000..6370643
--- /dev/null
+++ b/graph/sort.drawio.svg
@@ -0,0 +1,66 @@
+
\ No newline at end of file