Problems #sorting

	#	Name Show solution-related tags	TopCoder	AC Ratio (user)	AC (submission)
	1080	A.逆序數對 data-structures divide-and-conquer sorting		84.1% (647/769)	24.6% (1357/5515)
	1976	區間的線段（Rangehit） TOI 2017-TOI-3rd sorting		77.3% (51/66)	32.1% (84/262)
	1998	網路遮罩 CKcon 2017-CKcon-fin implementation sorting		87.0% (60/69)	33.3% (104/312)