2019.04.04 第二次训练

题目链接:https://codeforces.com/gym/101853

A: ✅

B: (二分图匹配)

C: (逆序对) 已过

D:✅

E:✅

https://blog.csdn.net/Link_Ray/article/details/89102023 (状压经典题)

F:✅

G: 已过

 https://blog.csdn.net/Link_Ray/article/details/89105522(扩展BSGS模板) 

H:✅

I:✅

J:✅

K:

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转载自www.cnblogs.com/ncu2019/p/10666546.html