library - Some useful algorithms for competitive programming

Age	Commit message (Expand)	Author
2020-09-21	More cleanup	Anthony Wang
2020-09-21	Minor bug	Anthony Wang
2020-09-21	Cleanup	Anthony Wang
2020-09-06	Update segment_tree.cpp	Anthony Wang
2020-09-06	New style	Anthony Wang
2020-08-26	Cleanup	Anthony Wang
2020-08-23	Convert to template	Anthony Wang
2020-08-21	Enforce consistent style	Anthony Wang
2020-08-16	Update segment_tree.cpp	Anthony Wang
2020-07-25	Update segment_tree.cpp	Anthony Wang
2020-07-25	Fixed typo	Anthony Wang
2020-06-21	Update segment_tree.cpp	Ta180m
2020-05-31	Deleted old segment trees	Ta180m
2019-07-26	Create segment_tree.cpp	Ta180m