Sphere Online Judge (SPOJ)

list of tutorial problems (unsolved)

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
41442	Sleepwork		12	65.22
41435	Sleepwork		14	66.67
41254	Clean Robot		15	49.23
41231	Python junior testing his keyboard		9	40.00
41030	FIFA SOCCER	-1	12	22.22	1 1
40750	Parity Issue		3	16.67
40456	RAU A		0	0.00
37851	Mã Caesar	-1	8	100.00
37644	Password Cracking		33	31.40
37643	Attack System		14	20.83
37642	Biometrics Authentication		13	63.33
37631	Wifi Password		16	52.78
37630	Caesar Cipher		14	53.12
37465	Do you know Factorials	1	14	22.13
37365	Biểu thức hậu tố	1	20	25.00
37314	Chuỗi đối xứng 3		10	50.00
37313	Chuỗi đối xứng 2		16	51.43
37312	Chuỗi đối xứng 1		17	50.94	1 1
37274	Truong Van Phong		0	0.00
37273	Simple Sum	3	262	44.07	12 12
37249	Simple Calculator	2	46	30.99	1 1
37176	Truy vấn ma trận		17	22.45
37166	Predicting the spread of viruses (EASY)	2	12	100.00	1 1
36981	Đào vàng remix		26	35.14
36963	Nobabs Treasure Hunt		82	64.29	1 1
36961	Vùng bao lớn nhất		21	12.55
36527	A not so good plan	-2	62	80.25	1 1
36436	Dãy số cơ bản	1	11	83.33	1 1
36341	Sum Input-Output Practice		119	9.38
35989	Pascal Triangle		10	26.42
35955	Sort For Fun		9	52.63
35791	KJ and street lights		25	20.39
35773	Sum of Divisors	2	58	22.22	1 1
35772	Query	1	15	20.00	1 17
35734	Financial rookie		3	56.25
35722	Query on an array II	1	27	63.93	1 1
35719	Query on an array I	-1	37	25.82	9 9
35668	Stringa maiuscola	-2	111	35.63	1 1
35641	Special Prime Number	1	25	36.00	17 17
35591	Somma tra due numeri		250	47.19	1 1
35351	Curse the Recursion	3	97	16.34	6 12
35304	World of Programs		1	1.18
35005	Classic Sequence Sum	4	56	50.00	27 14
34987	Worm world		14	48.15
34808	Crosswords	-2	20	53.97
34664	LCM Game		48	6.82	1 1
34625	Maximum K in a Window		9	13.08
34620	Crying Series	2	104	28.29	1 4
34580	Somma i numeri	-1	96	34.67	1 1
34567	Least prime divisor	5	239	24.48	1 1

list of tutorial problems (unsolved)

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