Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	USERS	ACC %	DIFFICULTY C I
10586	Problems in Moria	29	28.70
10587	Enemies	35	34.07
10589	King	65	28.00
10607	Delivery	34	27.36
10621	MONO	22	16.44
10640	The Wild Wizard	96	26.68	1 1
10645	The Rail Network Renovation	94	33.85
10647	Divide And Conquer	11	19.35
10648	DUGDUG	48	25.63
10667	PASIJANS	65	47.85
10675	GENIJALAC	46	50.52
10683	DRIVE	1	2.50
10701	The Lazy Gamer	16	13.61
10799	Happiness at the lowest cost	11	4.65
10800	GAME	21	12.64
10809	Unlock it !	83	30.99
10814	Unique Paths	123	46.00
10877	Decoys and Diversions	45	18.03	9 17
10883	Customs	14	31.25
10919	I Hate Parenthesis	92	29.14	17 1
10945	Foodie Golu	61	28.31
11054	Discords Dilemma	23	27.52
11090	Large banner	27	33.33
11105	Email ID	74	22.92	1 1
11117	Restacking haybales 2012	173	52.99
11157	The Great Escape	77	44.96
11179	Korra in the Spirit World	26	41.24
11276	Adventure	44	37.36
11334	Lucifer Sort	4	5.95
11355	SQUARE TO SQUARE	21	19.47
11384	Zoom Operation	4	20.00
11405	Just Like the Good Old Days	81	40.14
11407	Tied Down	19	38.33
11440	Unlock it ! Part 2	45	21.09
11444	MAXOR	103	36.23	9 26
11458	Ninja	122	15.44
11460	Planning Poker	254	41.84
11474	Totient Game	40	36.40
11482	Count on a trie	46	29.66	42 50
11493	Goto & labels	63	30.14
11496	Just the distance	15	10.76	17 17
11521	Dominant Strings	71	34.51
11540	Training	19	43.14
11576	A Famous King’s Trip	20	9.72
11580	A Famous Game	379	33.94	28 28
11603	Polynomial f(x) to Polynomial h(x)	75	57.18
11718	Boa viagem, Roim	70	16.16
11723	HELP ABHISHEK(version-II)	31	52.83
11769	Kind and gently	101	54.86
11777	Easy Sequence!	154	25.75	17 17