并查集 - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	30	P1111 修复公路并查集排序	13 / 34	5
	31	P1536 村村通并查集生成树	27 / 67	3
	29	P3367 【模板】并查集并查集	19 / 49	5
	32	P3457 [POI 2007] POW-The Flood 贪心数据结构并查集 2007 POI	8 / 61	7

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