VScode⽆法使⽤C++万能头⽂件#includebitsstdc++.h解决⽅
案
在刷题的时候，使⽤万能头⽂件 #include<bits/stdc++.h>，但是vscode⽆法识别，不到头⽂件。
问题出在路径中没有这个⽂件，所以创建这个⽂件。
红波浪线报错
解决⽅案，亲测有效
1. 在代码的头⽂件加⼊#include<iostream>，右键转到定义
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2. 在打开的iostream⽂件上右键“在finder中显⽰”，到该⽂件所在的⽂件夹（win系统同理）
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3. 在该⽂件夹下，新建⼀个txt⽂件，将名称改为stdc++.h，粘贴下⾯这段内容到⾥⾯，并将⽂件保存在此。
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// C++ includes used for precompiling -*- C++ -*-
// Copyright (C) 2003-2014 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 un // 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 P // 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 Softwa // You should have received a copy of the GNU General Public License a
nd// a copy of the GCC Runtime Library Exception along with this program;// see the files COPYING3 /** @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>
system的头文件#include <ctime>
#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdalign>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
#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>

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