Sphere Online Judge (SPOJ)

list of classical problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
3388	Double Near Palindromes	1	448	33.99	17 17
3389	The Knights of the Round Circle	3	444	67.25	6 23
3390	Tribe Council	1	57	22.07	34 34
3393	Knot or Not		6	13.56
3394	Lagrange’s Four-Square Theorem	4	531	46.10	1 9
3405	Almost Shortest Path	80	1668	31.59	22 21
3406	Bases		68	21.12
3407	Candy	31	1361	42.57	12 20
3408	DNA Sequences	47	1983	26.17	16 20
3409	Electricity	2	806	47.74	5 1
3410	Feynman	122	34249	57.52	4 6
3411	Pole Position	2	916	47.36	8 8
3412	Higgs Boson		48	18.93
3413	Traveling Shoemaker Problem	2	73	16.87	28 17
3414	Bora Bora		144	49.01	34 26
3415	Shrinking Polygons		231	18.92
3420	Falling Ice		7	24.14
3426	Ouroboros Snake	2	80	51.93	26 34
3436	Histogram	44	1512	44.32	19 22
3442	The last digit	190	29684	26.91	9 8
3459	SkyScrapers	3	360	38.60	17 17
3461	Song Contest		12	14.44
3462	The Skatepark´s New Ramps		10	32.65
3463	Robintron		6	22.22
3464	Clock	3	54	36.11	34 9
3465	Drive through MegaCity		23	25.16
3466	Another Longest Common Subsequence Problem		6	31.58
3476	Deposit	2	232	38.48	17 21
3477	Baby	28	948	46.55	21 24
3482	Alias		4	57.14
3483	Begin		4	11.11
3484	Crossbits	3	98	15.43	23 15
3485	Disputes	1	82	62.99
3486	Elimination		67	28.48
3488	The Top-Code	1	55	20.32	17 34
3490	Hidden Triangle		9	28.85
3492	Braille Transcription		16	14.40	17 17
3495	The Nobel Thief		6	38.10
3505	Prime Number Theorem	25	1529	28.06	14 13
3533	Game on board		28	36.73
3543	Matrica		53	39.38
3544	Binary Search Tree	6	598	20.83	11 20
3545	Najkraci	6	183	28.78	28 34
3565	Choosing Gloves	3	84	22.88	17 34
3576	Boy Scouts	3	140	27.92	21 30
3577	Parity	3	77	19.52	17 34
3578	Hashing	1	39	11.76	34 34
3579	Disjoint Paths	4	312	20.65	24 27
3581	Tree Similarity	1	25	48.63	34 34
3582	Restaurant Tab		24	27.27

list of classical problems

filter by

Most popular tags