First, note that this library is under SATA, so please add only your own codes and make sure that you agree with the terms in that license.
馃専 Add what you think should be added into #2.
馃専 Create a PR with your code(which SHOULD pass the specific tests, follow the STYLING_GUIDE.md, have meaningful comments and commit messages).
馃専 If you have different ideas on implementing something, just create a PR with your own ideas and name it with things like segmentTree_pointers.cpp