题面有点问题

P4570 [BJWC2011] 元素

$10^{18}$ ``` $10^{18}$ ```
by jiangly @ 2019-01-14 19:09:19


@[memset0](/space/show?uid=53495)
by codesonic @ 2019-01-25 23:00:08


@[codesonic](/space/show?uid=45443) 我没权限...
by memset0 @ 2019-01-25 23:06:44


@[memset0](/space/show?uid=53495) 您有权限圈其他管理吧(雾
by codesonic @ 2019-01-25 23:49:48


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