diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..a76b0bd
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,11 @@
+BasedOnStyle: Google
+UseTab: Never
+IndentWidth: 4
+TabWidth: 4
+BreakBeforeBraces: Attach
+AllowShortIfStatementsOnASingleLine: false
+IndentCaseLabels: true
+ColumnLimit: 0
+AccessModifierOffset: -4
+NamespaceIndentation: All
+FixNamespaceComments: false
diff --git a/.clangd b/.clangd
new file mode 100644
index 0000000..e7be43c
--- /dev/null
+++ b/.clangd
@@ -0,0 +1,11 @@
+CompileFlags:
+  Add: 
+    - -DLOCAL
+    - -D_GLIBCXX_DEBUG
+    - -std=c++23
+    - -Wall
+    - -Wextra
+    - -Werror=uninitialized
+    - -Werror=return-type
+    - -Wno-unused-const-variable
+    - -Wno-sign-compare
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8275daa
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/gmon.out
+/out.txt
+/in.txt
+/tmp/
\ No newline at end of file
diff --git a/.pch.cpp b/.pch.cpp
new file mode 100644
index 0000000..6989ae5
--- /dev/null
+++ b/.pch.cpp
@@ -0,0 +1 @@
+#include <bits/stdc++.h>
\ No newline at end of file
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..352bf7f
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,30 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "(gdb) 启动",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/tmp/${fileBasenameNoExtension}",
+            "args": [],
+            "stopAtEntry": false,
+            "cwd": "${workspaceFolder}",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "setupCommands": [
+                {
+                    "description": "为 gdb 启用整齐打印",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": false
+                },
+                {
+                    "description": "将反汇编风格设置为 Intel",
+                    "text": "-gdb-set disassembly-flavor intel",
+                    "ignoreFailures": false
+                }
+            ],
+            "preLaunchTask": "C/C++: make"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 0000000..1f37ed1
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,17 @@
+{
+    "tasks": [
+        {
+            "type": "cppbuild",
+            "label": "C/C++: make",
+            "command": "make",
+            "args": [
+                "SRC=${fileBasename}"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        }
+    ],
+    "version": "2.0.0"
+}
\ No newline at end of file
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..c683213
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,33 @@
+CXX := clang++
+CXXFLAGS := -fdiagnostics-color=always -g \
+	-Wall -Wextra \
+	-Werror=uninitialized \
+	-Werror=return-type \
+	-Wno-sign-compare \
+	-Wno-unused-const-variable \
+	-fsanitize=undefined \
+	-D_GLIBCXX_DEBUG \
+	-pg \
+	-DLOCAL \
+	-std=c++23 \
+	-pipe
+
+SRC ?= template.cpp
+TARGET := tmp/$(basename $(notdir $(SRC)))
+PCH := tmp/precompiled.pch
+PCH_HEADER := .pch.cpp
+
+all: $(TARGET)
+
+$(TARGET): $(SRC) $(PCH) | tmp
+	$(CXX) $(CXXFLAGS) -include-pch $(PCH) $(SRC) -o $(TARGET)
+
+tmp:
+	mkdir -p tmp
+
+$(PCH): $(PCH_HEADER) | tmp
+	$(CXX) $(CXXFLAGS) -x c++-header $(PCH_HEADER) -o $(PCH)
+
+clean:
+	rm -rf tmp
+
diff --git a/template.cpp b/template.cpp
new file mode 100644
index 0000000..11357ea
--- /dev/null
+++ b/template.cpp
@@ -0,0 +1,24 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+using int64 = long long;
+const int64 inf = 0x3f3f3f3f;
+const int64 INF = 0x3f3f3f3f3f3f3f3f;
+const int Mod = 1e9 + 7;
+const int N = 3e5 + 10;
+
+void solve() {
+    cout << "Hello world" << '\n';
+}
+
+signed main() {
+#ifndef LOCAL
+    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
+#endif
+    int t = 1;
+    // cin >> t;
+    while (t--)
+        solve();
+    return 0;
+}
\ No newline at end of file