C++ improvements #424

Job	Run time
Test with Java 11 on ubuntu-latest	2m 12s
Test with Java 17 on ubuntu-latest	2m 9s
Test with Java 11 on windows-latest	1m 59s
Test with Java 17 on windows-latest	2m 0s
Lint C++	20s
Lint Java	11s
Test with Java 11 on macos-12	2m 12s
Test with Java 17 on macos-12	2m 13s
Build JAR with on ubuntu-latest	2m 8s
Run benchmarks on ubuntu-latest	2m 12s
Build JAR with on windows-latest	1m 57s
Build JAR with on macos-12	2m 10s
Test C++ on ubuntu-latest	4m 52s
Test C++ on windows-latest	14s
Test C++ on macos-12	12s
Test with Java ${{ matrix.java-version }} + Address Sanitizer	0s
Test with Python 3.8 on ubuntu-latest	2m 9s
Test with Python 3.8 on windows-latest	2m 3s
Test with Python 3.8 + Address Sanitizer	2m 9s
Test with Python 3.8 on macos-12	2m 9s
Build wheel for ${{ matrix.build }}	1s
Combine JARs	1s
Upload wheels to PyPI	1s
Upload to Maven Central	1s
	35m 35s

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