Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
3870	Military Story	3	286	28.81	21 12
3871	GCD Extreme	82	3107	29.39	19 26
3872	Party At School	1	58	24.87	34 34
3876	Tablica	1	206	58.65
3877	Cvjetici	18	986	48.67	12 21
3878	Rectangles Perimeter	58	2702	49.87	12 14
3881	Majstor	1	735	53.98	4 4
3882	Cijevi	5	261	38.20	30 14
3883	LATGACH3	55	3205	56.47	10 20
3884	When (You Believe)		24	9.17
3885	Coins Game	92	5497	45.27	10 13
3889	Closest Number	1	195	30.29	34 26
3890	Rectangles Counting		175	33.61
3893	Space settlement		67	31.56
3894	Bouncing Balls		28	31.54
3895	Matrix Game		26	21.77
3896	Maximal Independent Set	2	61	25.19	34 42
3897	Convex Polygons	2	124	30.86	17 34
3898	Even Palindrome	-1	251	10.23
3899	Finding Fractions	1	174	29.46	17 34
3900	MinCut Query		78	28.99
3901	Black and White Nim		55	39.23
3902	Fight with functions	3	21	6.47	42 34
3909	CALCULATE POW(2004,X) MOD 29	2	279	56.70	1 17
3912	Color a tree	1	298	31.76	17 34
3915	Star Polygon or Not	1	40	54.74	17 17
3926	Manhattan Wire		80	14.07
3927	Polygon on the Grid		23	30.34
3928	Counting Digits	7	1317	46.69	22 26
3929	Different Digits		74	22.75
3930	Group Partition	1	71	30.23	34 34
3931	Maximum Triangle Area	2	283	29.27	5 28
3932	Point Connection Game in a Circle	3	768	35.47	13 21
3933	Minimum Permutation	6	187	38.34	12 17
3934	Recaman’s Sequence	25	3536	53.87	9 6
3935	SHIFT Operator on Matrix		191	42.38
3936	Repair City Hall	4	248	50.82	5 1
3937	Wooden Sticks	9	681	36.97	23 28
3940	Sum of Primes	3	237	63.91	9 9
3941	Kth Shortest Path		25	24.30
3942	Cleaning Robot		34	65.28
3943	Nested Dolls	31	1239	23.66	20 27
3946	K-th Number	245	5838	35.44	25 27
3953	Paid Roads	8	261	27.57	19 26
3961	Journey with Pigs		133	41.31
3962	ELEVATOR II	2	101	43.31	9 26
3964	Investment Money	15	627	25.73	16 17
3965	Minimax Triangulation		60	40.00
3969	M&M Game	12	1321	42.35	4 17
3972	Stargates		49	14.12

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