Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	USERS	ACC %	DIFFICULTY C I
11096	Triple Zeros	80	34.56
11097	Easy Powers	64	41.99
11106	Dice Problem	279	31.87	1 1
11109	Race Results	32	19.66
11121	Palindromic Cricketer	21	67.44
11203	Auris Love	30	17.49
11210	Arya and the exponacci	326	40.07
11318	NEMO	115	53.19
11331	Two Squares	65	35.29
11341	TWIN PRIMES	152	19.83
11342	Here be ducks	267	21.56
11349	Tertiary Calculator	3	55.56
11365	TSquare TO Square	19	35.71
11366	Zoom Operation	11	42.05
11382	Quadra vs PussyCat	57	50.53
11387	Perfect Cover	83	32.25	1 1
11398	Do You know your Algorithms	436	51.39
11457	New iPad	239	63.76
11464	Book Shelves(tutorial)	18	22.43
11492	Fast Schedule	262	50.00
11506	ANYTHING FOR ATTENDANCE	43	48.00
11559	Are you smart enough	22	55.10
11567	Find the missing card	49	43.31
11572	A Famous Music Composer	347	39.59
11581	The Famous Clock	127	56.32
11600	Another Mathematical Problem	94	34.56
11643	Cross dangerous minefields	10	31.25
11722	HELP ABHISHEK	43	51.19
11728	Forest Fires	214	40.41
11731	PATENTES	18	48.72
11732	CARTONES CREDECRECIENTES	23	48.86
11788	Ishika and Kashish	3	45.45
11791	Integer Factorization With A Twist	30	24.89
11876	Finding Majority	288	43.31	1 1
11877	Upcoming Demons	21	30.23
11902	Bit Maker	25	23.43
11934	PUT TRINOMO	179	32.25
11961	Party trouble	68	29.19
11976	Permutation	23	33.91
11980	Sequence	315	29.70
11989	Factorial large	20	18.67
11990	Measuring Water	97	25.68
11995	Family Problem	24	23.58
12071	Point Blank	34	33.91
12072	Playing With Bits	172	54.99
12074	Magical Ladders	17	29.33	1 1
12075	Encryption	7	21.21
12077	Secret Code	5	14.29
12078	Picking Weights	6	16.67
12083	Appetizer	122	51.45