tic_tac_toe.rb:1:1: C: [Correctable] Style/FrozenStringLiteralComment: Missing frozen string literal comment.
# 説明: ゲーム板の状態をコンソールに出力する
^
tic_tac_toe.rb:4:15: C: [Correctable] Style/MethodDefParentheses: Use def with parentheses when there are parameters.
def put_board board
^^^^^
tic_tac_toe.rb:5:8: C: [Correctable] Style/StringLiterals: Prefer single-quoted strings when you don't need string interpolation or special symbols.
puts ""
^^
tic_tac_toe.rb:8:13: C: [Correctable] Style/StringLiterals: Prefer single-quoted strings when you don't need string interpolation or special symbols.
print " N " if 0 == e
...(長過ぎるので割愛)
1 file inspected, 50 offenses detected, 39 offenses corrected, 7 more offenses can be corrected with `rubocop -A`