HC - Problem Set - Hydro

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	490	490 百钱百鸡 HC	0 / 0	(None)
	491	491 100以内的素数 HC	0 / 0	(None)
	492	492 求圆周率 HC	0 / 0	(None)
	493	493 求有abcd=(ab+cd)2性质的数 HC	0 / 0	(None)
	494	494 NOIP1995普及组第1题除法算式 HC	0 / 0	(None)
	495	495 NOIP1995普及组第3题 A类B类 HC	0 / 0	(None)

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