Problems by Tung Kam Chuen

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	8108	1152	14%	0.00	1548	763	49%	7.0
A+B Problem	7681	744	10%	0.03	1072	354	33%	8.4
Arithmetic	3090	879	28%	0.00	910	697	77%	3.6
Ball Tricks	63	3	5%	0.30	3	2	67%	7.9
Circumsphere	139	45	32%	0.00	41	34	83%	4.6
Doors	1677	347	21%	0.01	147	106	72%	6.1
k-Colouring of a Graph	186	47	25%	0.03	35	24	69%	9.0
Perfect k-ary Tree	237	61	26%	0.17	59	34	58%	7.7
Playing with Numbers	1035	391	38%	0.01	138	119	86%	4.8
Special Tour	171	27	16%	0.01	32	19	59%	8.0