Codeforces Round #660 (Div. 2) / contest 1388

目錄 A Captain Flint and Crew Recruitment B Captain Flint and a Long Voyage C Uncle Bogdan and Country Happiness D Captain Flint and Treasure E A B C D E √ √ √ √ （ √：作出； ●：嘗試未作出； ○：已補題 ）html 題目地址：https:

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