1、stdc++.h（/Library/Developer/CommandLineTools/usr/bin/stdc++.h）：

// C++ includes used for precompiling -*- C++ -*-
 
// Copyright (C) 2003-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
 
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
 
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.
 
/** @file stdc++.h
 *  This is an implementation file for a precompiled header.
 */
 
// 17.4.1.2 Headers
 
// C
#ifndef _GLIBCXX_NO_ASSERT
#include <cassert>
#endif
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <cwchar>
#include <cwctype>
 
#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#endif
 
// C++
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
 
#if __cplusplus >= 201103L
#include <array>
#include <atomic>
#include <chrono>
#include <codecvt>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#endif
 
#if __cplusplus >= 201402L
#include <shared_mutex>
#endif
 
#if __cplusplus >= 201703L
#include <any>
#include <charconv>
// #include <execution>
#include <filesystem>
#include <optional>
#include <string_view>
#include <variant>
#endif
 
#if __cplusplus >= 202002L
#include <barrier>
#include <bit>
#include <compare>
#include <concepts>
#include <latch>
#include <numbers>
#include <ranges>
#include <span>
#include <semaphore>
#include <version>
#endif
 
#if __cplusplus > 202002L
#endif

2、tasks.json：

{
    "tasks": [
        {
            "type": "cppbuild",
            "label": "C/C++: clang build active file",
            "command": "/usr/bin/clang++",
            "args": [
                "-fcolor-diagnostics",
                "-fansi-escape-codes",
                "-g",
                "${file}",
                "-o",
                "${fileDirname}/${fileBasenameNoExtension}"
            ],
            "options": {
                "cwd": "${fileDirname}"
            },
            "problemMatcher": [
                "$gcc"
            ],
            "group": {
                "kind": "build",
                "isDefault": True
            },
            "detail": "调试器生成的任务。"
        }
    ],
    "version": "2.0.0"
}

3、lauch.json：

{
    "configurations": [
        {
            "type": "lldb",
            "request": "launch",
            "name": "Debug",
            "program": "${fileDirname}/${fileBasenameNoExtension}",
            "args": [],
        "cwd": "${fileDirname}",
        "preLaunchTask": "C/C++: clang build active file"
    }
],
"version": "2.0.0"

}

4、setting.json（可加可不加）:</p>

{
    "files.associations": {
        "__bit_reference": "cpp",
        "__config": "cpp",
        "__hash_table": "cpp",
        "__locale": "cpp",
        "__node_handle": "cpp",
        "__split_buffer": "cpp",
        "__threading_support": "cpp",
        "__tree": "cpp",
        "__verbose_abort": "cpp",
        "any": "cpp",
        "array": "cpp",
        "barrier": "cpp",
        "bitset": "cpp",
        "cctype": "cpp",
        "cfenv": "cpp",
        "charconv": "cpp",
        "cinttypes": "cpp",
        "clocale": "cpp",
        "cmath": "cpp",
        "codecvt": "cpp",
        "complex": "cpp",
        "condition_variable": "cpp",
        "csetjmp": "cpp",
        "csignal": "cpp",
        "cstdarg": "cpp",
        "cstddef": "cpp",
        "cstdint": "cpp",
        "cstdio": "cpp",
        "cstdlib": "cpp",
        "cstring": "cpp",
        "ctime": "cpp",
        "cwchar": "cpp",
        "cwctype": "cpp",
        "deque": "cpp",
        "execution": "cpp",
        "forward_list": "cpp",
        "fstream": "cpp",
        "future": "cpp",
        "initializer_list": "cpp",
        "iomanip": "cpp",
        "ios": "cpp",
        "iosfwd": "cpp",
        "iostream": "cpp",
        "istream": "cpp",
        "latch": "cpp",
        "limits": "cpp",
        "list": "cpp",
        "locale": "cpp",
        "map": "cpp",
        "mutex": "cpp",
        "new": "cpp",
        "numbers": "cpp",
        "optional": "cpp",
        "ostream": "cpp",
        "queue": "cpp",
        "ratio": "cpp",
        "regex": "cpp",
        "scoped_allocator": "cpp",
        "semaphore": "cpp",
        "set": "cpp",
        "shared_mutex": "cpp",
        "span": "cpp",
        "sstream": "cpp",
        "stack": "cpp",
        "stdexcept": "cpp",
        "streambuf": "cpp",
        "string": "cpp",
        "string_view": "cpp",
        "tuple": "cpp",
        "typeindex": "cpp",
        "typeinfo": "cpp",
        "unordered_map": "cpp",
        "unordered_set": "cpp",
        "valarray": "cpp",
        "variant": "cpp",
        "vector": "cpp",
        "algorithm": "cpp"
    }
}