commit 7c5065103517bfa194730a8f5e4f6388da0cece9
Author: Archie Lu <chienius@outlook.com>
Date:   Sun Sep 13 11:58:49 2020 +0800

    Init commit

diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..1e8b20b
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,4 @@
+---
+BasedOnStyle: Microsoft
+TabWidth: 2
+IndentWidth: 2
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diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..259148f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,32 @@
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..93b508f
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,29 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "g++ - Build and debug active file",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "${fileDirname}/${fileBasenameNoExtension}.out",
+      "args": [],
+      "stopAtEntry": false,
+      "cwd": "${workspaceFolder}",
+      "environment": [],
+      "externalConsole": false,
+      "MIMode": "gdb",
+      "setupCommands": [
+        {
+          "description": "Enable pretty-printing for gdb",
+          "text": "-enable-pretty-printing",
+          "ignoreFailures": true
+        }
+      ],
+      "preLaunchTask": "C/C++: g++ build active file",
+      "miDebuggerPath": "/usr/bin/gdb"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 0000000..d5d2d9d
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,26 @@
+{
+  "tasks": [
+    {
+      "type": "shell",
+      "label": "C/C++: g++ build active file",
+      "command": "/usr/bin/g++",
+      "args": [
+        "-g",
+        "${file}",
+        "-o",
+        "${fileDirname}/${fileBasenameNoExtension}.out"
+      ],
+      "options": {
+        "cwd": "${workspaceFolder}"
+      },
+      "problemMatcher": [
+        "$gcc"
+      ],
+      "group": {
+        "kind": "build",
+        "isDefault": true
+      }
+    }
+  ],
+  "version": "2.0.0"
+}
\ No newline at end of file
diff --git a/code.cpp b/code.cpp
new file mode 100644
index 0000000..dc6fc87
--- /dev/null
+++ b/code.cpp
@@ -0,0 +1,10 @@
+#include "common.hpp"
+
+class Solution
+{
+};
+
+int main(int argc, const char **argv)
+{
+  return 0;
+}
\ No newline at end of file
diff --git a/common.hpp b/common.hpp
new file mode 100644
index 0000000..f0b62ce
--- /dev/null
+++ b/common.hpp
@@ -0,0 +1,18 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+struct TreeNode {
+  int val;
+  TreeNode *left;
+  TreeNode *right;
+  TreeNode() : val(0), left(nullptr), right(nullptr) {}
+  TreeNode(int x) : val(x), left(nullptr), right(nullptr) {}
+  TreeNode(int x, TreeNode *left, TreeNode *right) : val(x), left(left), right(right) {}
+};
+
+struct ListNode {
+  int val;
+  ListNode *next;
+  ListNode(int x) : val(x), next(NULL) {}
+};