Problems #2017-TOI-4th

	#	Name Show solution-related tags	TopCoder	AC Ratio (user)	AC (submission)
	1981	部落格（Blog） TOI 2017-TOI-4th graph		90.8% (69/76)	38.2% (133/348)
	1982	奇幻反彈（Bouncing） TOI 2017-TOI-4th number-theory		88.9% (16/18)	39.8% (49/123)