Problems by Gu Jin

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Bracket Matrix	0.01	311	154	111	72%	5.1Medium	en
Course Planning	0.08	1151	97	50	52%	7.4Hard	en
Manhattan Shopping	0.15	2463	28	10	36%	8.5Hard	en