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ZZUACM 2021 省赛训练 2 C-Social Network (hard version)

The only difference between easy and hard versions are constraints on n and k.You are messaging in one of the popular social networks via your smartph...

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2021-04-27

0 551

ZZUACM 2021 省赛训练 2 B-Social Network (easy version)

The only difference between easy and hard versions are constraints on n and k.You are messaging in one of the popular social networks via your smartph...

模拟队列

2021-04-27

0 586