Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
13082	BINARY CHALLENGE	3	282	32.32	17 26
24249	Binary Again	1	65	18.14	5 1
13391	Binary		59	40.27	1 1
2122	Billboard		20	31.17
7237	Biggest !	1	448	15.97	1 17
14205	Big Fibonacci		12	53.33
15268	Big Fact		13	32.65
13394	Big Dragons		29	46.40	1 1
37365	Biểu thức hậu tố	1	8	14.52
3916	Bicolor	3	289	27.25	9 9
22398	BICIKLI		16	19.81
25903	Bhadra Da and Counting "wow"		43	56.88	1 1
25211	BG and WOW Cities!!	3	15	48.48	17 12
10360	BF writing	1	21	59.32
25754	Best Two		32	9.88	1 1
26807	Best Students	-1	72	35.48	1 1
9501	Best balanced diet		8	21.28
14744	Beautiful Numbers	1	495	57.39	9 9
16510	Baza		9	100.00
7267	Basics		3	57.14
25966	Base Is Damn Easy	-2	18	36.51	1 1
21598	BASE FIGHT	1	24	32.50	1 1
19134	Base Conversion (Easy)		21	65.33
34008	Base and Power	2	112	28.76	17 9
11031	Bank Robbers		146	45.45
26803	Balloons for All	-2	79	29.86	1 1
25190	Balloons		24	10.95
13385	Balanced Bracket Expression		21	22.61
15064	Bacteria(Easy)		6	66.67
26786	Bacteria in The Pond	1	9	26.56	17 17
16551	Backwards alphabetized epigrams		10	48.00
8524	Back to High School Physics		429	85.55
13677	Azooz		239	55.58
18035	Aya the new contestant	-2	5	28.57	17 34
26683	AVL Tree	7	661	25.13	15 6
8373	AVION		1438	41.55
8459	AVERYEASYPROBLEM		66	56.94
8468	AVERAGE	1	1263	38.04	6 6
19702	Average	-1	38	87.32	1 1
14038	Autumn Leaves (Easy)		12	93.33
22797	Automated Dispatch		10	92.86
2630	Autoarchive		8	33.33
11203	Auris Love		30	17.49
26621	Atul and Aastha Chronicles 1	9	480	38.06	6 5
37643	Attack System		9	18.18
18039	Atito’s family		33	61.97
21168	At random		307	38.52
29453	ASCII Text Art		19	60.61
13874	ASCII Art	1	27	36.36
18192	ASCII 1		54	54.07