行と列が違う可能性がある場合は、下記。
mkTable.rb
def mkTable(n, m)
Array.new(n) { Array.new(m) }
end
行と列が等しいことがわかっている場合は、下記でOK。
mkTable.rb
def mkTable(n)
Array.new(n) { Array.new(n) }
end
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