2019 session of the Nanyang Polytechnic team race fourth solution to a problem

Fourth team tournament

Game link https://cn.vjudge.net/contest/295568 password nyist

Solution to a problem link below

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A question:

Problem B:

Problem C: https://blog.csdn.net/qq_41925919/article/details/89351208

D title: https://blog.csdn.net/chimchim04/article/details/89351331

E questions:

F topic:

G title: https://blog.csdn.net/weixin_44137005/article/details/89339651

H title: https://blog.csdn.net/weixin_43740907/article/details/89340017

I 题: