Ren Baoshuo 29e50be31a P7886 「MCOI-06」Gerrymandering ... R58885785		2021-10-02 07:17:14 +08:00
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contest	52021. 【LGR-093】洛谷 10 月月赛 I & MCOI R6 (Div.2)	2021-10-01 18:13:02 +08:00
problem	P7886 「MCOI-06」Gerrymandering	2021-10-02 07:17:14 +08:00