Problems by Tung Kam Chuen

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	4954	740	15%	0.01	981	506	52%	7.1
A+B Problem	4843	492	10%	0.03	711	245	34%	8.2
Arithmetic	1833	531	29%	0.00	544	424	78%	3.6
Ball Tricks	62	2	3%	0.30	2	1	50%	8.0
Circumsphere	121	36	30%	0.00	30	25	83%	4.6
Doors	1536	319	21%	0.01	116	84	72%	4.5
k-Colouring of a Graph	151	39	26%	0.03	27	20	74%	8.0
Perfect k-ary Tree	191	48	25%	0.17	40	23	57%	6.3
Playing with Numbers	894	345	39%	0.01	113	92	81%	4.4
Special Tour	146	23	16%	0.01	24	15	62%	6.4