Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
41442	Sleepwork		10	61.90
41435	Sleepwork		13	65.22
41254	Clean Robot		7	50.00
41231	Python junior testing his keyboard		6	33.33
41030	FIFA SOCCER		9	31.25	1 1
40750	Parity Issue		1	11.11
40456	RAU A		0	0.00
37851	Mã Caesar	-1	3	87.50
37644	Password Cracking		30	29.06
37643	Attack System		8	18.31
37642	Biometrics Authentication		10	58.33
37631	Wifi Password		13	51.61
37630	Caesar Cipher		11	42.31
37465	Do you know Factorials	1	7	17.05
37365	Biểu thức hậu tố	1	8	15.79
37314	Chuỗi đối xứng 3		6	38.10
37313	Chuỗi đối xứng 2		10	42.86
37312	Chuỗi đối xứng 1		10	47.17	1 1
37274	Truong Van Phong		0	0.00
37273	Simple Sum	3	174	46.21	12 12
37249	Simple Calculator	2	33	32.74	1 1
37176	Truy vấn ma trận		13	26.13
37166	Predicting the spread of viruses (EASY)	1	6	100.00	1 1
36981	Đào vàng remix		19	27.37
36963	Nobabs Treasure Hunt	-1	71	62.30	1 1
36961	Vùng bao lớn nhất		19	16.11
36527	A not so good plan	-2	58	79.52	1 1
36436	Dãy số cơ bản	1	6	72.73	1 1
36341	Sum Input-Output Practice		112	8.86
35989	Pascal Triangle		7	27.66
35955	Sort For Fun		6	46.67
35791	KJ and street lights		21	18.06
35773	Sum of Divisors	2	55	22.81	1 1
35772	Query	1	15	22.83	1 17
35734	Financial rookie		0	0.00
35722	Query on an array II	1	19	70.27	1 1
35719	Query on an array I	-1	32	24.04	9 9
35668	Stringa maiuscola	-2	106	35.12	1 1
35641	Special Prime Number	1	20	32.79	17 17
35591	Somma tra due numeri		247	46.99	1 1
35351	Curse the Recursion	3	91	16.17	6 12
35304	World of Programs		1	1.33
35005	Classic Sequence Sum	4	43	50.91	27 14
34987	Worm world		10	45.83
34808	Crosswords	-1	15	46.73
34664	LCM Game		42	8.45	1 1
34625	Maximum K in a Window		7	11.96
34620	Crying Series	2	90	26.81	1 4
34580	Somma i numeri	-1	96	34.67	1 1
34567	Least prime divisor	5	227	23.73	1 1

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