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.
🌟 Add what you think should be added into #2.
🌟 Create a PR with your code(which SHOULD pass the specific tests, follow the STYLING_GUIDE.md, have meaningful comments and commit messages).
🌟 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