$ /usr/bin/g++ --version Configured with: --prefix=/Library/Developer/CommandLineTools/usr --with-gxx-include-dir=/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/c++/4.2.1 Apple LLVM version 10.0.0 (clang-1000.10.44.4) Target: x86_64-apple-darwin18.2.0 Thread model: posix InstalledDir: /Library/Developer/CommandLineTools/usr/bin Clang vs gcc 競技プログラミング的な視点では、Clangとgccどっちが良いのだろう

