丢人赛....两题滚蛋,也不知道自己在干啥.
\(A\) 题其实是个 \(SB\) 题,但是!!!!我就是脑袋不太好用,在 \(WA\) 了一两次之后才判出所有情况 \(AC\).
\(B\) 题是很简单的贪心题,一眼题嘛,直接 \(Sort\) 然后前缀和 \(O(1)\) 统计就完了.
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