Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
6667	How Many Trees 2		14	19.48
6677	Rope Intranet		131	48.77
7129	Happy Telephones	1	258	49.50
7136	Blowing Fuses		98	28.22
7207	Alchemy	1	2239	39.96	1 1
7236	The next odd number	1	480	47.89	1 1
7237	Biggest !	1	448	15.97	1 17
7262	Nth greater value	-1	106	50.58
7272	Take Away Game	1	120	18.64	17 34
7273	Rank of a Permutation		89	49.55
7274	Fibonacci Representation	1	24	45.07
7287	Making Palindrome		13	15.45
7411	Reward for the hard work		82	54.55
7413	Tile game		61	49.01
7414	Thank you Chief ;)		233	46.80	1 1
7431	Vikram & Betaal	1	55	69.15	1 1
7483	C style constants		26	66.06
7663	Return SIGSEGV	2	1211	39.39	26 26
7667	Minimum and maximum numbers		322	22.82
7672	Salsa Dance		173	33.85
7673	Making your own Calculator		15	15.04
7674	Easy Game		50	53.23
7675	Squares		79	36.55
7677	Frequent Values		17	16.67
7775	Explicit Formula		1718	57.17	1 1
7856	Tower Game (Easy)		37	35.58
7858	Upper Right King (Easy)	1	82	36.42	1 9
7863	Four Chips (Easy)		16	22.67
7865	Regular expressions (Easy)		16	39.66
7869	Boards (Easy)		5	15.91
7885	Happy Numbers II - Trial		283	49.66	34 17
7893	Weekdays		24	51.61
7910	PECOS STRING		29	52.31
7925	Fibonnaci Parity		29	24.14
8060	Cookies Piles	4	4082	70.94	1 4
8094	Treasure map		53	95.89
8142	Recursive function	1	81	43.65
8144	Game of 3 cards		49	42.86	1 1
8146	Integer Concatenation		11	64.52
8147	Waiting Queue	1	98	31.23	1 17
8149	Intersection	1	131	18.80	17 17
8152	Smart Bunny	1	73	34.87	17 17
8191	Gold distribution	1	18	30.23	17 17
8214	Problem 1		254	15.32
8215	Problem 2	1	582	25.75
8216	Problem 3		114	24.20
8218	Problem 4		84	36.81
8219	Problem 5		207	22.64	17 17
8223	Binary Strings		27	50.79
8224	Perfect Composites		42	18.80