Problems by Tung Kam Chuen

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	7188	1046	15%	0.00	1386	695	50%	6.9
A+B Problem	6914	674	10%	0.03	984	326	33%	8.3
Arithmetic	2763	789	29%	0.00	814	624	77%	3.9
Ball Tricks	62	2	3%	0.30	2	1	50%	8.0
Circumsphere	129	42	33%	0.00	37	31	84%	4.2
Doors	1589	332	21%	0.01	132	94	71%	6.3
k-Colouring of a Graph	164	40	24%	0.03	31	21	68%	9.2
Perfect k-ary Tree	219	58	26%	0.17	56	32	57%	7.2
Playing with Numbers	972	370	38%	0.01	128	107	84%	5.0
Special Tour	155	26	17%	0.01	30	18	60%	7.6