fireworks99

keep hungry keep foolish

数据结构の并查集

POJ 1703 Find them, Catch them（并查集变形） 2019-11-02

POJ 1456 Supermarket(贪心+并查集) 2019-08-16

Codeforces B.Arpa's weak amphitheater and Mehrdad's ... 2019-05-30

HDU 3038 How many answers are wrong 2019-04-15

带权并查集 2019-04-01

POJ 2236 The Suspects HDU 1213 How Many Tables 2019-03-31

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