Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
8999	Primo Va Primo Viene		10	32.35
4854	Primo Kripta		23	35.87
10559	PRIMES20		38	54.24
15170	primes triangle (II)		17	46.67
15169	primes triangle (I)	11	425	39.27	19 16
9111	Prime Time		139	35.22
14199	Prime Summation		9	56.52
8621	Prime Permutations (easy)	1	126	57.24	1 34
13392	Prime Or Not	1	166	21.67	9 17
21571	Prime Land and Next Prime number	1	13	17.93	17
9115	Prime Kitties	1	129	49.67
30623	PRIME HEIGHT		0	0.00
8649	Prime game		10	26.79
13757	Prime Factors	3	226	14.73	6 6
11960	Prime Factorization	4	402	22.80	17 17
9654	Prime Count		62	18.18
8360	Prime After N	-1	305	50.00	1 1
8226	PrePrimes	1	13	42.86	17 17
37166	Predicting the spread of viruses (EASY)	1	6	100.00	1 1
8377	PRAYER QUEUE		20	60.98
21392	Prana and The Series	1	45	19.77	17 34
11852	Power with Combinatorics(EASY)	3	90	23.67	26 26
14297	Power of Phi		44	25.97	1 1
22169	Power of matrix	25	1676	25.06	16 14
752	Power it!	11	418	57.95	17 17
19699	Positive	-1	64	80.00	1 1
22892	Position of all-distinct-digits number in base b		204	59.64
34414	Polynomial evaluation	1	8	75.00
25162	Polling		16	46.55
16640	Pokemon Auction		69	64.96
2533	Point Nesting		34	21.97
12071	Point Blank		34	33.91
11247	Plus Within a diamond	1	292	67.81
12072	Playing With Bits		172	54.99
25712	Playing Game is Fun!	2	96	32.08	17 17
15623	Play with Strings		21	47.37
13674	Play with Matrices		35	28.81
4245	Place the Numbers I		6	3.35
25593	Pizza slices		6	33.33
4832	Pitagoras y Fermat		27	34.59
21741	Pipage		83	18.93
1393	Ping Pong Probability	2	239	52.04	1 17
12081	Picture Perfect	1	18	29.17
12078	Picking Weights		6	16.67
10365	PICK UP DROP ESCAPE		385	28.14	1 12
11266	Pick the candies	3	510	34.43	17 17
25274	Photos in a Frame		24	21.80
15247	PETERHOUSE	1	31	50.00	1 1
3252	Persistent Bits	1	28	57.14	17 17
19277	Permutation Cycle Decomposition		21	63.64

list of tutorial problems

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