\(\color{red}LPCI(LiuPingContestInformation)\)

题目按字典序排序

邀请码：9259

难度：\(\color{red}不难\)

\(\footnotesize\color{white}\texttt{\colorbox{0E1D69}{NOI/NOI+/CTSC}}\) \(\footnotesize\color{white}\texttt{\colorbox{purple}{省选/NOI-}}\)

赛时答疑与赛后题解：\(Yes(std: \text{ C++})\)

奖励：\(LP 大奖\)