ICPC 2019 Nanchang Online Contest

Problem A

Solved by Kilo_5723. 02:26 (+1)

Problem B

Solved by Xiejiadong. 01:06 (+)

题意：求一个点到其他点的最大距离 $/C$ 和好多个点到其他所有点最大距离比较。

题解：多源最短路，合并路径 max 即可。

注意不要去除 $C$ ，会发生各种问题，用多个点的距离乘 $C$ 即可。

Problem C

Solved by Xiejiadong. 04:52 (+)

Problem D

Solved by Weaver_zhu. 04:25 (+2)

Problem E

Solved by Xiejiadong && Kilo_5723. 02:33 (+)

Problem F

Unsolved.

Problem G

Solved by Xiejiadong. 00:06 (+)

温暖的签到。

Problem H

Solved by Weaver_zhu. 01:34 (+)

Problem I

Unsolved.