bits-stdc-.h-for-mac

bits/stdc++ is a GNU GCC extension, whereas OS X uses the clang compiler. However, you can still make it work by manually creating the header file.

Steps

• Inside the directory /usr/local/include/
• Create a directory named bits (mkdir bits)
• Create stdc++.h file (touch stdc++.h or vim stdc++.h)
• Paste the contents of the stdc+.h file here

or

• Inside the directory /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/
• Create a directory named bits (mkdir bits)
• Create stdc++.h file (touch stdc++.h or vim stdc++.h)
• Paste the contents of the stdc+.h file here

or

• Inside the directory /Library/Developer/CommandLineTools/usr/include/c++/v1
• Create a directory named bits (mkdir bits)
• Create stdc++.h file (touch stdc++.h or vim stdc++.h)
• Paste the contents of the stdc+.h file here

Now it should compile as expected

I have also included "using namespace std;" in this file. So, from now on you dont need to write it everytime you create a cpp file.