Problems by Tung Kam Chuen

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	14135	2248	16%	0.00	2920	1562	53%	5.9
A+B Problem	10974	1057	10%	0.03	1563	509	33%	8.5
Arithmetic	4481	1337	30%	0.00	1361	1070	79%	4.2
Ball Tricks	69	4	6%	0.30	5	3	60%	7.9
Circumsphere	230	70	30%	0.00	66	50	76%	4.5
Doors	2265	478	21%	0.01	193	149	77%	6.1
k-Colouring of a Graph	222	54	24%	0.03	44	29	66%	9.1
Perfect k-ary Tree	346	77	22%	0.17	78	44	56%	8.5
Playing with Numbers	1370	497	36%	0.01	160	141	88%	4.7
Special Tour	277	36	13%	0.00	52	28	54%	6.7