Problems by Tung Kam Chuen

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	4157	641	15%	0.01	843	440	52%	7.2
A+B Problem	4114	383	9%	0.04	604	204	34%	8.4
Arithmetic	1411	409	29%	0.00	409	317	78%	3.7
Ball Tricks	62	2	3%	0.30	2	1	50%	8.1
Circumsphere	116	31	27%	0.00	25	20	80%	5.7
Doors	1324	268	20%	0.01	89	62	70%	5.6
k-Colouring of a Graph	141	38	27%	0.03	25	19	76%	8.0
Perfect k-ary Tree	155	40	26%	0.17	23	17	74%	6.4
Playing with Numbers	803	304	38%	0.01	93	75	81%	5.0
Special Tour	124	19	15%	0.01	17	11	65%	7.5