C++言語アップデートへの対応 (#191)
C++言語アップデートへの対応 (#191)

* Fix cpp language configs

* Update atcodertools/common/language.py

Co-authored-by: DNEK <d5af1ae66e6863152634dc88beadaa7cbc5d7c08@gmail.com>

Co-authored-by: Kazuma Mikami <dfb705db0c9b5aa80680a4e083a8204d95ad7baa@gmail.com>
Co-authored-by: DNEK <d5af1ae66e6863152634dc88beadaa7cbc5d7c08@gmail.com>
kyuridenamida/ToolsForAtCoder,kyuridenamida/ToolsForAtCoder