Problems by Kai Chen

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Food Carts	0.04	475	69	57	83%	4.4Medium	en
License Renewal	0.00	364	178	126	71%	5.7Hard	en
Long Swaps	0.00	71	444	376	85%	3.7Medium	en