Problems by Yingtao Tian

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Big Data	0.01	252	240	195	81%	4.9Medium	en
Board Coloring	0.00	541	117	84	72%	6.0Hard	en
Grade Curving	0.00	124	371	284	77%	4.6Medium	en