Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
1393	Ping Pong Probability	2	242	52.12	1 17
21741	Pipage		86	18.41
4832	Pitagoras y Fermat		28	35.00
25593	Pizza slices		10	43.75
4245	Place the Numbers I		9	7.98
13674	Play with Matrices		38	29.57
15623	Play with Strings		28	52.38
25712	Playing Game is Fun!	2	96	31.71	17 17
12072	Playing With Bits		177	54.42
11247	Plus Within a diamond	1	294	67.95
12071	Point Blank		39	35.29
2533	Point Nesting		35	16.93
16640	Pokemon Auction		75	63.43
25162	Polling		19	45.00
34414	Polynomial evaluation	1	11	84.21
22892	Position of all-distinct-digits number in base b		206	59.47
19699	Positive	-1	70	80.51	1 1
752	Power it!	11	434	58.48	17 17
22169	Power of matrix	25	1817	25.17	16 14
14297	Power of Phi		47	25.86	1 1
11852	Power with Combinatorics(EASY)	3	90	23.43	26 26
21392	Prana and The Series	1	45	19.13	17 34
8377	PRAYER QUEUE		22	58.54
37166	Predicting the spread of viruses (EASY)	2	12	100.00	1 1
8226	PrePrimes	2	19	35.61	17 17
8360	Prime After N	-1	314	50.40	1 1
9654	Prime Count		69	19.23
11960	Prime Factorization	4	424	22.67	17 17
13757	Prime Factors	3	270	15.30	6 6
8649	Prime game		15	31.82
30623	PRIME HEIGHT		0	0.00
9115	Prime Kitties	1	132	48.63
21571	Prime Land and Next Prime number	1	14	17.81	17
13392	Prime Or Not	1	177	22.85	9 17
8621	Prime Permutations (easy)	1	133	56.95	1 34
14199	Prime Summation		14	65.52
9111	Prime Time		143	35.33
15169	primes triangle (I)	12	519	39.04	19 14
15170	primes triangle (II)		19	39.64
10559	PRIMES20		42	54.62
4854	Primo Kripta		25	36.84
8999	Primo Va Primo Viene		15	35.42
21583	Print ♥		11	50.00
12823	Print Big Binary Numbers		19	58.23
26886	Print it All	1	17	67.31	1 1
33796	Print String		47	26.49
34166	Print The Pattern		206	26.67	9 9
27025	Printing Spiral Digits	1	418	25.21	11 4
26317	PRIOSEG		0	0.00
22536	Prisoners	1	61	64.94	1 1

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