C++ improvements #443

Job	Run time
Lint C++	17s
Lint Java	14s
Run benchmarks on ubuntu-latest	3m 19s
Build JAR with on ubuntu-latest	2m 32s
Build JAR with on windows-latest	2m 31s
Build JAR with on macos-12	2m 56s
Test C++ on ubuntu-latest	26s
Test with Java 11 on ubuntu-latest	2m 34s
Test C++ on macos-12	23s
Test with Java ${{ matrix.java-version }} + Address Sanitizer	0s
Test with Java 17 on ubuntu-latest	2m 34s
Test with Python 3.8 on ubuntu-latest	2m 29s
Test with Java 11 on windows-latest	2m 45s
Test with Python 3.8 on windows-latest	3m 10s
Test with Java 17 on windows-latest	2m 53s
Test with Python 3.8 + Address Sanitizer	2m 34s
Test with Python 3.8 on macos-12	2m 42s
Test with Java 11 on macos-12	2m 46s
Test with Java 17 on macos-12	3m 17s
Combine JARs	8s
Upload to Maven Central	1s
Build wheel for ${{ matrix.build }}	1s
Upload wheels to PyPI	1s
	40m 33s

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