Problems by Tung Kam Chuen

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	6288	940	15%	0.00	1234	629	51%	6.7
A+B Problem	6163	614	10%	0.03	872	296	34%	8.4
Arithmetic	2522	734	29%	0.00	752	573	76%	3.9
Ball Tricks	62	2	3%	0.30	2	1	50%	8.0
Circumsphere	127	40	31%	0.00	35	29	83%	4.2
Doors	1562	327	21%	0.01	121	89	74%	5.8
k-Colouring of a Graph	162	40	25%	0.03	29	21	72%	8.5
Perfect k-ary Tree	203	54	27%	0.17	45	28	62%	7.4
Playing with Numbers	956	361	38%	0.01	118	99	84%	5.2
Special Tour	152	24	16%	0.01	27	16	59%	7.6