Sphere Online Judge (SPOJ)

list of tutorial problems

ID	NAME	QUALITY	USERS	ACC %	DIFFICULTY C I
34295	Road Network	1	90	86.43
34620	Crying Series	2	90	26.81	1 4
8911	FREE PATHS		89	40.26
12523	Nuts Frenzy		89	16.38	1 17
32445	COUNT JUMPS	1	89	41.07	4 1
34182	Tower of Hanoi Movement - Easy	2	89	36.34	9 9
2626	RegExp Master	-1	88	36.73	34 17
12510	JUMPING DORA		88	35.76
13880	GO FOR DIAMONDS	1	88	41.20	17 1
19271	GRAVITY	2	88	18.34	17 17
34213	Favourite Word	1	88	67.25	1 1
2459	Magic Program		87	62.21
7273	Rank of a Permutation		87	49.08
244	Internally Stable Sets		86	17.84
8232	Fun With Primes	2	86	39.46	1 1
1279	Run Length Decoding		85	37.42	1 1
4543	Mysterio s Menace		85	38.85
15299	Digit Dilemma		85	43.78
34098	Queues		85	60.67
34137	Memory Game 1		85	39.92	17 17
11514	N-ARY TREE	1	84	49.75
19914	Fahrenheit		84	84.24
5900	Decreasing Strings	-1	83	48.77
10601	Spiral numbers	1	83	51.90	9 9
11387	Perfect Cover		83	32.25	1 1
21741	Pipage		83	18.93
34277	Dynamic Network		83	68.42
2627	The Longest Chain		82	60.26
6523	Digital Root Counter		82	60.51
8749	Waiting for Easter		82	33.44
12466	Closest Points		82	58.10	17 1
18143	Kimo and Divisors		82	26.34
20748	Remove Duplicates		82	58.33
509	6-Kolorowanie Grafów Planarnych		81	20.20
16108	BOSSACT	2	81	54.12
20767	Simplest Pattern Search	-1	81	39.15	1 1
34099	IITKESO207PA1Q3		81	50.62
8354	Birthday cake		80	44.81	1 1
8439	VijayAndAjith		80	69.29
11096	Triple Zeros		80	34.56
11522	CHOCOLATES	1	80	40.00	1 1
21746	Rooks and pawns		80	18.02
27492	Eid Salami	1	80	33.03	1 23
2907	Super Factor Sum		79	27.38
7411	Reward for the hard work		79	53.93
12395	Maximizing the equation		79	39.84
14206	Graph Cycle Detection	2	79	17.31	26 9
3997	HARDWARE		78	39.72
8218	Problem 4		78	34.97
8530	Skew Binary	1	78	63.86