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[CQOI2017]老C的方块 | CTime_Pup_314 #9

Open CTP314 opened 5 years ago

CTP314 commented 5 years ago

https://ctp314.github.io/2019/05/05/CQOI2017-%E8%80%81C%E7%9A%84%E6%96%B9%E5%9D%97/

P3756 [CQOI2017]老C的方块 在棋盘内破坏指定联通块的最小代价