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====== 2020 Multi-University Training Contest 1 ====== ===== 比赛情况 ===== ^题号 ^A ^B ^C ^D ^E ^F ^G ^H ^I ^J ^K ^L | ^状态 |- |- |- |O |O |O |- |- |O |- |- |! | //O 在比赛中通过 Ø 赛后通过 ! 尝试了但是失败了 - 没有尝试// **比赛时间** 2020-07-30 13:00-18:00 ===== 题解 =====