C++ improvements #429

Job	Run time
Lint Java	15s
Lint C++	19s
Test with Java 11 on ubuntu-latest	2m 33s
Test with Python 3.8 on ubuntu-latest	2m 34s
Test with Java 17 on ubuntu-latest	2m 32s
Test with Python 3.8 on windows-latest	3m 59s
Test with Java 11 on windows-latest	2m 42s
Build JAR with on ubuntu-latest	2m 31s
Test with Python 3.8 on macos-12	3m 42s
Test with Java 17 on windows-latest	2m 52s
Build JAR with on windows-latest	2m 46s
Test with Java 11 on macos-12	2m 46s
Build JAR with on macos-12	4m 8s
Test with Java 17 on macos-12	2m 54s
Run benchmarks on ubuntu-latest	3m 39s
Test with Java ${{ matrix.java-version }} + Address Sanitizer	0s
Test C++ on ubuntu-latest	1m 1s
Test with Python 3.8 + Address Sanitizer	2m 40s
Test C++ on windows-latest	40s
Test C++ on macos-12	33s
Build wheel for ${{ matrix.build }}	1s
Upload wheels to PyPI	1s
Combine JARs	1s
Upload to Maven Central	1s
	45m 10s

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