C++ improvements #426

Job	Run time
Run benchmarks on ubuntu-latest	3m 48s
Lint Java	13s
Lint C++	20s
Build JAR with on ubuntu-latest	2m 34s
Build JAR with on windows-latest	3m 1s
Build JAR with on macos-12	3m 14s
Test C++ on ubuntu-latest	14s
Test with Java ${{ matrix.java-version }} + Address Sanitizer	0s
Test with Java 11 on ubuntu-latest	2m 30s
Test C++ on windows-latest	12s
Test with Java 17 on ubuntu-latest	2m 35s
Test C++ on macos-12	9s
Test with Java 11 on windows-latest	2m 18s
Test with Python 3.8 on ubuntu-latest	2m 47s
Test with Python 3.8 + Address Sanitizer	3m 26s
Test with Java 17 on windows-latest	2m 46s
Test with Python 3.8 on windows-latest	4m 45s
Test with Java 11 on macos-12	3m 4s
Test with Python 3.8 on macos-12	3m 16s
Test with Java 17 on macos-12	2m 59s
Combine JARs	8s
Upload to Maven Central	0s
Build wheel for ${{ matrix.build }}	1s
Upload wheels to PyPI	1s
	44m 21s

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