C++ improvements #433

Job	Run time
Lint Java	14s
Lint C++	17s
Test with Java 11 on ubuntu-latest	2m 31s
Test with Java 17 on ubuntu-latest	2m 25s
Build JAR with on ubuntu-latest	2m 39s
Run benchmarks on ubuntu-latest	3m 36s
Test with Java 11 on windows-latest	2m 38s
Build JAR with on windows-latest	2m 29s
Test C++ on ubuntu-latest	19s
Test with Java 17 on windows-latest	2m 44s
Build JAR with on macos-12	3m 19s
Test C++ on windows-latest	45s
Test with Java 11 on macos-12	2m 53s
Test with Java ${{ matrix.java-version }} + Address Sanitizer	0s
Test C++ on macos-12	15s
Test with Java 17 on macos-12	2m 52s
Test with Python 3.8 on ubuntu-latest	2m 36s
Test with Python 3.8 on windows-latest	3m 45s
Test with Python 3.8 + Address Sanitizer	2m 40s
Test with Python 3.8 on macos-12	3m 51s
Combine JARs	4s
Upload to Maven Central	0s
Build wheel for ${{ matrix.build }}	1s
Upload wheels to PyPI	1s
	42m 54s

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