Problems by Gu Jin

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Bracket Matrix	0.01	327	347	117	34%	5.5Hard	en
Course Planning	0.08	1151	523	66	13%	7.2Hard	en
Manhattan Shopping	0.19	2463	96	10	10%	8.9Hard	en