Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
3443	Netiquette		14	40.48
22124	Victory Day Dictionary		10	40.48	1 1
24316	Un segundo después		27	40.54
8444	Problem 5	1	229	40.58	34 34
7863	Four Chips (Easy)		9	40.74
4171	DIOPHANTINE		180	40.76
25219	Greedy Gift Givers	-1	28	40.79
22458	SREDNJI		17	40.82
15622	Triangles		27	40.85
8144	Game of 3 cards		42	40.95	1 1
12239	Natalia Got A Problem		24	40.98
14737	Hello Recursion	3	1303	41.02	13 13
9188	Edit Distance Variant 1		12	41.03
1023	Arranging Dominoes	1	668	41.05	1 1
32445	COUNT JUMPS	1	89	41.07	4 1
26775	Compute The Computation		9	41.10
26131	Sum the Decimal-part I	1	76	41.15	17 1
22122	Victory Day Party		12	41.18
13880	GO FOR DIAMONDS	1	88	41.20	17 1
4907	Most Common Letter	1	222	41.22	1 1
11356	TWIN PRIMES	1	35	41.28
20763	Journey of nikki	1	19	41.38
10364	TREE SHAPES		23	41.43
26142	Vampire and his Holy Numbers	1	32	41.51	17 17
6524	Find the group		47	41.53
8373	AVION		1438	41.55
18533	Vowel Density		9	41.67
18489	Catch Me If You Can	1	331	41.74	1 1
19995	Moon Safari (easy)	3	66	41.76	12 17
3378	Mirrored Pairs	2	3971	41.80	5 1
15969	SWEET PAIRS		21	41.82
34479	Möbius function zero distribution	4	15	41.82	6 17
9594	Count the strings		20	41.94	1 1
22309	How to multiply		9	41.94
13396	Find Them All		29	41.99	1 1
11366	Zoom Operation		11	42.05
11110	Easy Longest Increasing Subsequence	72	6322	42.08	4 6
16508	Divisors		19	42.11
26173	Sort an array of integers using a O(n^2) algorithm		25	42.11
14337	Luhn Algorithm		30	42.17
26687	Guess The Maximum	2	111	42.18	1 9
25758	Find the Winner		20	42.25
18295	Problem2		67	42.29	1 6
37630	Caesar Cipher		11	42.31
26293	helloworld2	-1	15	42.37
20162	Fahmy and Fractions		12	42.42
10238	Arabic and English	1	717	42.48
11807	Think Different	1	121	42.54	1 1
25306	Easy Marks	4	434	42.58	1 1
22222	Julius Divisibility		20	42.59

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