Sphere Online Judge (SPOJ)

list of tutorial problems (unsolved)

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
34406	Conta gli oggetti vecchi		72	46.18	1 1
34425	Vertical strips pattern		11	82.35
34426	Horizontal strips pattern		0	0.00
34541	Tanushera And His Car		70	22.56	1 1
34625	Maximum K in a Window		9	13.08
34664	LCM Game		48	6.82	1 1
34987	Worm world		14	48.15
35304	World of Programs		1	1.18
35591	Somma tra due numeri		250	47.19	1 1
35734	Financial rookie		3	56.25
35791	KJ and street lights		25	20.39
35955	Sort For Fun		9	52.63
35989	Pascal Triangle		10	26.42
36341	Sum Input-Output Practice		119	9.38
36961	Vùng bao lớn nhất		21	12.55
36963	Nobabs Treasure Hunt		82	64.29	1 1
36981	Đào vàng remix		26	35.14
37176	Truy vấn ma trận		17	22.45
37274	Truong Van Phong		0	0.00
37312	Chuỗi đối xứng 1		17	50.94	1 1
37313	Chuỗi đối xứng 2		16	51.43
37314	Chuỗi đối xứng 3		10	50.00
37630	Caesar Cipher		14	53.12
37631	Wifi Password		16	52.78
37642	Biometrics Authentication		13	63.33
37643	Attack System		14	20.83
37644	Password Cracking		33	31.40
40456	RAU A		0	0.00
40750	Parity Issue		3	16.67
41231	Python junior testing his keyboard		9	40.00
41254	Clean Robot		15	49.23
41435	Sleepwork		14	66.67
41442	Sleepwork		12	65.22
1415	Problems Collection (Volume 2)	-1	204	36.14	50 50
1417	University Employees	-1	2481	65.79	1 1
2626	RegExp Master	-1	88	36.72	34 17
4830	Z meet	-1	153	74.06
5037	Fibonacci Counting System	-1	28	88.89
5874	Square	-1	52	23.98	1 1
5900	Decreasing Strings	-1	84	48.76
7262	Nth greater value	-1	106	50.58
8293	Bit count	-1	66	37.70
8360	Prime After N	-1	314	50.40	1 1
9465	Spectrum of colours	-1	56	65.81	50 50
9598	Get me correct	-1	71	19.05	1 1
10211	The Collatz Sequence	-1	83	7.78	1
10331	Sample	-1	40	10.73
10494	Celebration	-1	17	11.97	1 1
10834	Travelled Distance	-1	19	51.22	1 1
11031	Bank Robbers	-1	155	46.72	1 1

list of tutorial problems (unsolved)

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