--- min

    ǾǤ֤ޤǤߤ <=> ᥽åɤӤǤ
    뤳ȤꤷƤޤ

--- min {|a, b| ... }

    ֥åɾͤǳǤӤǾǤ֤ޤ

    ֥åͤϡa>b ΤȤa==b ΤȤ 0a<b 
    ΤȤ򡢴ԤƤޤ֥åʳ֤Ȥ
    㳰 TypeError ȯޤ

