Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
1455	Program Analyser		25	15.25
1456	The Secret of a Lost City		17	35.94
1457	Help Blue Mary Please! (Act I)		13	1.75	34 17
1458	Help Blue Mary Please! (Act II)	1	80	17.26
1459	The Secret of an Aerolite	8	260	43.53	24 26
1461	Greedy Hydra	3	193	33.50	27 30
1462	Barbarians		46	14.68
1463	Robot Number M		75	48.55
1464	Editor II		58	18.59
1465	On the Way to Find Chris	2	57	15.22	26 26
1466	Blue Mary Needs Help Again	5	207	20.44	30 34
1468	Outside it is now raining		25	24.78
1470	Another Sequence Problem	3	191	24.49	43 27
1471	A Game of Pearls	1	39	30.00	17 17
1472	Tom and Jerry		61	38.46
1473	Lemon Tree in the Moonlight		22	19.49
1475	Play with Digit Seven	3	125	36.90	34 14
1476	Maximum Profit	7	340	31.81	20 34
1477	Play with a Tree		88	14.68
1478	The Easiest Problem		68	8.92
1479	The GbAaY Kingdom	1	125	19.23	28 39
1480	Let us count 1 2 3	1	72	14.70	1 34
1482	A short vacation in Disneyland	5	225	14.62	31 24
1483	Colorful Lights Party		13	10.84
1484	Search in XML	1	12	2.45	17 17
1487	Query on a tree III		547	17.55
1505	Whac-a-Mole	2	42	15.87	50 17
1526	Ranklist Sorting	1	23	12.75	17 34
1536	Help Blue Mary Please! (Act III)		29	21.26
1538	Making Jumps	11	1447	38.92	16 15
1552	Mobiles		184	27.52	34 34
1553	Backup Files	3	803	19.93	9 42
1554	Zoo		110	29.26
1557	Can you answer these queries II	23	1580	24.30	30 36
1644	Trees	1	35	14.64	34 34
1671	Another Mathematical Problem		61	11.37
1672	The Great Indian Wedding		44	22.32
1673	Ambitious Manager	5	462	36.55	21 17
1674	The Explosion		152	26.35
1675	Fusion Cube	1	79	49.18	1 26
1676	Text Generator		222	21.13	17 26
1677	Halloween treats	6	930	39.65	17 22
1678	Royal Treasury		70	11.71
1681	Cylinder	2	920	38.32	9 26
1683	Expressions		355	40.03
1684	Frequent values	111	3829	27.56	20 21
1685	Grocery store		198	24.17
1687	Logic II	1	24	12.45	34 34
1689	Hard Problem		15	28.07
1693	Coconuts	13	938	29.85	21 28

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