Problems by Gu Jin

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Bracket Matrix	0.01	311	153	110	72%	5.2Medium	en
Course Planning	0.08	1151	98	49	50%	8.0Hard	en
Manhattan Shopping	0.19	2463	28	9	32%	8.8Hard	en