Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
13386	Rotations		15	28.57
13934	Palindrome Pair		15	24.72
14336	Packing Boxes	-1	15	27.54
15223	BUBT Programming Club		15	21.52
16027	AP or NOT	1	15	26.98
17395	Computer Graphics		15	61.29
18509	Dividing Money		15	25.35
18643	Odd		15	47.73
20153	Kareem and Even Numbers		15	30.30
20162	Fahmy and Fractions		15	41.03
21559	Khoj The Search		15	66.67
22749	Fill the board		15	65.22
22752	New year in DOJO	2	15	22.35	1 17
25008	New Currency Shopping	1	15	7.41	34 17
25142	Sum of Two Squares		15	23.38
26775	Compute The Computation		15	44.71
30668	SOME MYSTERY HAPPENED		15	20.93
35772	Query	1	15	20.00	1 17
41254	Clean Robot		15	49.23
6667	How Many Trees 2		14	19.48
8648	Square number game		14	31.37
8650	Grid painting	1	14	20.97	34 34
11643	Cross dangerous minefields		14	33.33
14199	Prime Summation		14	65.52
14205	Big Fibonacci		14	56.25
15211	The Iteration	-1	14	21.33
15268	Big Fact		14	33.33
15633	Bullseye		14	55.56
15645	Kyle Types Text 425 Points		14	36.59
16510	Baza		14	100.00
18463	A Research Project		14	75.00
19559	Breakup App		14	58.33	1 1
20155	Maram and Queue		14	27.54
20765	Friendship Bond	1	14	36.51
21571	Prime Land and Next Prime number	1	14	17.81	17
21744	THE DESERT ISLAND	1	14	89.66	9 9
23546	Tree	2	14	25.98	1 1
24737	Fibo and non fibo(Hard)	1	14	15.61	1 1
24949	Menores al anterior		14	51.85
25227	2RETO 10 MARATON	-1	14	18.99
30784	Ada and Pear		14	13.42
33836	Floor Arithmetics	1	14	44.19	17 17
34418	Number of divisors of factorial	1	14	62.86
34987	Worm world		14	48.15
37465	Do you know Factorials	1	14	22.13
37630	Caesar Cipher		14	53.12
37643	Attack System		14	20.83
41435	Sleepwork		14	66.67
7287	Making Palindrome		13	15.45
9173	Repetitions		13	16.90