Problems by Tung Kam Chuen

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	6107	907	15%	0.01	1189	608	51%	6.7
A+B Problem	5992	606	10%	0.03	851	291	34%	8.2
Arithmetic	2418	700	29%	0.00	729	556	76%	3.9
Ball Tricks	62	2	3%	0.30	2	1	50%	8.0
Circumsphere	124	38	31%	0.00	33	27	82%	4.3
Doors	1562	327	21%	0.01	121	89	74%	4.5
k-Colouring of a Graph	160	40	25%	0.03	28	21	75%	8.0
Perfect k-ary Tree	203	54	27%	0.17	45	28	62%	5.7
Playing with Numbers	954	359	38%	0.01	116	97	84%	4.2
Special Tour	150	24	16%	0.01	26	16	62%	6.4