If you like Python, the library sortedcontainers has a clear, well documented, yet short source code that is a joy to read for a non trivial problem: https://g

If you like Python, the library sortedcontainers has a clear, well documented, yet short source code that is a joy to read for a non trivial problem: https://github.com/grantjenks/python-sortedcontainers/blob/master/src/sortedcontainers/sorteddict.py https://github.com/grantjenks/python-sortedcontainers/blob/m...