COCI - Problem Set - QFNU-OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	3827	J0043 【深基3.习9】[COCI2006-2007#2] ABC 模拟 2006 排序 COCI	0 / 0	(None)
	3849	J0063 【深基4.习10】[COCI2017-2018#6] Davor 2018 枚举不定方程 COCI	0 / 0	(None)

Pick a problem randomly based on the current filter.