The Accomodation of Students(染色法(dfs)判断是否为二分图+find()求最大匹配数)(详解)
There are a group of students. Some of them may know each other, while others don’t. For example, A and B know each other, B and C know each other. But this may not imply that A and C know each other.Now you are given all pairs of students who know each o
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2021-03-25 21:43:29 ·
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