<bits/stdc++.h> in MacOS

cannot open source file "bits/stdc++.h"!!!

The stdc++.h file is just a file with a bunch of include. the only thing that you have to do is to put this file in the default location of the c++ import files. Here's a quick way to add it in MacOS.

With XCode installed

create a file named stdc++.h in this path: (you should create bits folder first)

/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/bits

Without XCode

create a file named stdc++.h in this path: (you should create bits folder first)

/usr/local/include/bits

Now, simply fill the created file with the content below:

// C++ includes used for precompiling -*- C++ -*-

// Copyright (C) 2003-2013 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>

#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>

or you can download the file and put it the right folder:

mkdir /usr/local/include/bits
curl https://gist.githubusercontent.com/devmarkpro/94d0b20a87bd0cc5f094a9b98336aa6d/raw/724c53e3210029f7bfd5dfa6254d124791547153/stdc++.h > /usr/local/include/bits/stdc++.h

NOTE: You have to repeat these steps each time that you update the XCode Command-line Tools so if you know a permanent solution for this problem, please share it in the comment section.

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