Sphere Online Judge (SPOJ)

list of tutorial problems (unsolved)

ID	NAME	USERS	ACC %	DIFFICULTY C I
19431	COMPRESSED WORDS-2	8	7.09
19559	Breakup App	14	58.33	1 1
19575	Galvin and Time	16	65.71
19598	Seperate the number	26	49.09
19599	Small Boys and The Prinicpal	16	48.72
19783	SUBCUBE EDGE LCM	1	14.29
19787	Mr Toothless and His Number Theory	9	20.22
19914	Fahrenheit	90	84.62
19915	Leapyear	13	10.98
19956	Connecting Networks	13	20.24
20040	Circle Hazard-1	22	66.67
20043	Distributing Chocolates	26	42.77
20044	Not so fast	4	16.81
20046	Even Odd Problem	16	13.64
20152	Shokry and Strings	13	36.17
20153	Kareem and Even Numbers	15	30.30
20154	Druid and Queries	21	55.32
20155	Maram and Queue	14	27.54
20159	Math Assignment	16	58.62
20160	Amr and Math	39	66.67	1
20161	Eagle and Assassin’s Creed	122	30.58
20162	Fahmy and Fractions	15	41.03
20163	Easy Task	72	66.47
20164	Vowels	34	65.62
20414	Simple Calculator	39	72.58
20415	Just draw a square	33	60.71
20677	Easy Equation	20	29.41
20748	Remove Duplicates	86	58.86
20749	Remove Duplicates 2	234	63.68
20750	Remove Duplicates 3	23	9.46
20762	Recursive Functions	28	62.50
20766	nikkiNXN	12	30.00
20771	Simplest Pattern Search with Spaces	45	48.28
20847	Students Database	24	52.54
20853	Rotations	107	49.39
20854	The world and Contients	101	57.01
20866	National Day Vietnam 2 9 2014	11	47.22
21056	Vowel again	16	89.47
21097	XYZ-Strings	17	29.63
21098	HardDisk Drive	25	56.82
21168	At random	306	38.47
21182	Sum of Digits	32	67.69
21298	Divisibility Check	16	24.27	17 1
21307	Arithmetic Expressions	18	38.75	17 1
21408	2x2 Subgrid Sum Problem (hard)	4	9.09
21410	A Gift for You 2	35	20.22
21523	A multiplied B equal to N	1	7.89
21556	Square	101	33.07
21558	Carl Friedrich Gauss	19	61.29
21559	Khoj The Search	15	66.67

list of tutorial problems (unsolved)

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