C++ improvements #436

Job	Run time
Lint Java	11s
Lint C++	16s
Test with Java ${{ matrix.java-version }} + Address Sanitizer	0s
Test with Java 11 on ubuntu-latest	2m 35s
Test with Python 3.8 on ubuntu-latest	2m 25s
Test with Python 3.8 on windows-latest	3m 2s
Build JAR with on ubuntu-latest	2m 36s
Test with Python 3.8 on macos-12	3m 4s
Run benchmarks on ubuntu-latest	3m 9s
Test with Java 17 on ubuntu-latest	2m 24s
Build JAR with on windows-latest	2m 44s
Test with Java 11 on windows-latest	2m 44s
Build JAR with on macos-12	2m 50s
Test with Java 17 on windows-latest	2m 35s
Test with Python 3.8 + Address Sanitizer	2m 36s
Test with Java 11 on macos-12	2m 57s
Test C++ on ubuntu-latest	45s
Test with Java 17 on macos-12	3m 3s
Test C++ on windows-latest	11s
Test C++ on macos-12	10s
Combine JARs	1s
Upload to Maven Central	1s
Build wheel for ${{ matrix.build }}	1s
Upload wheels to PyPI	1s
	40m 21s

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