Problems by Kai Chen

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Food Carts	0.04	475	250	98	39%	4.1Medium	en
License Renewal	0.00	364	488	144	30%	5.8Hard	en
Long Swaps	0.00	71	1060	456	43%	3.8Medium	en