Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
29656	Left, right or center?		128	31.57
13389	Letter Count	1	799	55.54	1 1
6653	Lexicographic Order 1		19	69.23
6654	Lexicographic Order 2	1	52	32.64	17 17
6655	Lexicographic Order 3		5	12.20
6656	Lexicographic Order 4		7	42.11
32108	Lexicographic Permutations	1	133	93.01
8544	Lexicographical ordering	2	148	51.70	1 1
17641	Lights Out		13	48.78
14217	Longest Maze Path	1	8	32.00
3320	Longest Monotonically Nondecreasing Sequence	3	186	34.35	9 23
4474	Longest Palindromic Substring	24	1315	21.97	22 20
14089	Longest Smiley Face		27	62.96	1 1
3081	Look and Say	1	280	56.62	1 17
23436	Look and Say	1	23	65.22	1 1
24315	Los N primeros números impares		76	72.81
12447	LOVER BOY	-1	67	43.81	1 1
21442	Lowest Common Ancestor	33	2242	36.62	13 12
5200	Lsu Football		31	85.71
29747	Lucky 7, Unlucky 13	3	81	42.80	6 6
4192	Lucky cities		19	28.57
3727	Lucky Number	3	787	65.76	1 1
8494	Lucky Numbers	2	289	60.58	17 17
8665	Lucky Sequence Again	3	705	53.00	6 17
8900	LUCKYNINE	3	477	33.16	1 1
14337	Luhn Algorithm		31	41.46
10681	MAG		36	64.18
2459	Magic Program		86	61.63
2494	Magic Program III		12	21.82
12074	Magical Ladders		20	28.92	1 1
15970	Magical Names		56	72.84
12100	Main Course		8	16.67
14931	Make It Simple		202	23.95
32470	Make Versions in Segment Tree	17	414	45.37	15 15
1872	Making Book		816	29.03
7287	Making Palindrome		13	15.45
7673	Making your own Calculator		15	15.04
14527	Mandatory Attendance		13	82.61
20155	Maram and Queue		14	27.54
14394	Mario meets princess Peach		13	41.67
34372	Massimo Comune Divisore		8	66.67	1 1
26500	MATAA		5	71.43
18398	Math assignment		21	44.00
20159	Math Assignment		16	58.62
13681	Matrix City		33	59.15
25113	Matriz Diagonal		45	33.76
11317	MAX AREA	-1	144	58.37	1 1
2632	Max Power		103	44.25
12395	Maximizing the equation		84	40.47
11032	Maximum element of an array	1	314	43.50

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