Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Матрёшка	823	291	35%	0.07	246	199	81%	4.4
Žabe	64	7	11%	0.00	13	6	46%	8.6
Zuma	72	29	40%	0.00	27	19	70%	6.8
Zoning Houses	1160	358	31%	0.09	248	177	71%	6.4
Zoning	453	187	41%	0.07	179	143	80%	4.5
Znanstvenik	641	291	45%	0.01	202	175	87%	3.9
Zipline	2295	714	31%	0.00	710	566	80%	3.5
Zipf's Song	1231	336	27%	0.01	312	217	70%	4.5
Zipf's Law	1199	307	26%	0.01	228	168	74%	5.6
Zigzag	640	231	36%	0.02	204	162	79%	4.9
Zig Zag Nametag	993	404	41%	0.00	408	346	85%	3.7
Zgodan	76	26	34%	0.00	39	26	67%	6.8
Zerg Rush!!!	103	12	12%	0.28	16	10	62%	7.6
Zebras and Ocelots	1962	673	34%	0.00	670	581	87%	3.1
Zbrka	244	111	45%	0.02	98	83	85%	5.6
Zapis	432	144	33%	0.00	108	96	89%	4.3
Zamka	10373	6116	59%	0.00	5659	5463	97%	1.4
Zagrade	1068	381	36%	0.00	356	313	88%	3.1
Zabava	340	129	38%	0.01	105	89	85%	4.5
Yoda	4255	1970	46%	0.00	1834	1660	91%	2.1
Yin and Yang Stones	2669	1687	63%	0.00	1521	1418	93%	1.7
Yikes - Bikes!	347	62	18%	0.00	96	51	53%	8.2
Yet Satisfiability Again!	1266	410	32%	0.00	298	255	86%	3.7
Yes, Yes, It's Nonograms	70	22	31%	0.01	22	16	73%	7.4
YATP	462	169	37%	0.48	120	88	73%	4.8
Xtreme Driving	82	25	30%	0.00	30	25	83%	5.2
Xortris	342	97	28%	0.00	101	81	80%	4.9
Xor Maximization	499	157	31%	0.00	120	92	77%	6.2
XYZZY	1299	260	20%	0.01	219	154	70%	7.0
XOR Sequences	310	120	39%	0.00	106	86	81%	4.8
XOR Equation	344	113	33%	0.02	103	83	81%	4.9
X-ray spectrum	180	43	24%	0.00	43	38	88%	4.5
Worst Weather Ever	1015	167	16%	0.02	175	101	58%	7.9
Wormholes	328	67	20%	0.00	59	32	54%	8.4
Workout for a Dumbbell	634	210	33%	0.00	206	158	77%	5.6
Working at the Restaurant	1785	515	29%	0.01	483	380	79%	4.6
Work Reduction	645	229	36%	0.01	159	126	79%	5.7
Words for Numbers	1813	705	39%	0.00	699	621	89%	2.5
WordSpin	289	80	28%	0.06	87	66	76%	5.4
Word Ladder	396	98	25%	0.00	104	78	75%	7.0
Word Equations	127	24	19%	0.05	37	23	62%	7.7
Word Clouds Revisited	260	124	48%	0.00	136	107	79%	5.0
Word Cloud	741	375	51%	0.00	368	337	92%	2.4
Wooden Signs	475	183	39%	0.01	84	75	89%	2.6
Wooden Crates	119	11	9%	0.22	28	9	32%	9.5
Wood Cutting	2128	857	40%	0.01	709	611	86%	3.0
Wolf	433	140	32%	0.00	153	130	85%	4.8
Wizard of Odds	1411	579	41%	0.00	582	508	87%	2.6
Wizard Dance	164	33	20%	0.15	31	24	77%	6.8
Within Arm's Reach	191	34	18%	0.00	48	31	65%	8.6
Witchwood	214	72	34%	0.00	58	51	88%	4.5
Witch Dance	99	13	13%	0.28	12	8	67%	7.3
Wiseguy	48	27	56%	0.00	17	12	71%	6.3
Wireless is the New Fiber	1049	412	39%	0.01	364	325	89%	3.1
Wire Crossing	326	36	11%	0.02	44	29	66%	7.0
Wipe Your Whiteboards	215	60	28%	0.00	77	55	71%	5.3
Winter Roads	192	20	10%	0.40	26	15	58%	8.3
Winter Festival	47	18	38%	0.07	25	16	64%	6.8
Winning the Vote	56	12	21%	0.01	15	12	80%	7.1
Winning Streak	567	118	21%	0.13	105	69	66%	5.3
Windy Path	157	47	30%	0.00	61	38	62%	7.3
Window Manager	563	116	21%	0.00	122	94	77%	7.6
Wi-Fi	1767	453	26%	0.02	266	219	82%	4.3
Wi Know	1207	361	30%	0.03	182	139	76%	5.4
Who's the Boss?	111	49	44%	0.02	42	32	76%	5.8
Who owns the Amiga?	114	32	28%	0.00	30	17	57%	8.8
Who Wants to Live Forever?	250	29	12%	0.01	54	26	48%	7.2
Whiteboard	227	71	31%	0.41	86	62	72%	7.0
White Water Rafting	1327	518	39%	0.00	394	332	84%	3.1
Which Base is it Anyway?	1643	667	41%	0.00	617	546	88%	2.4
Where's My Internet??	10895	3130	29%	0.02	2256	1777	79%	4.1
Where to Live?	603	214	35%	0.01	183	142	78%	4.7
Where Have You Bin?	127	47	37%	0.00	34	32	94%	5.0
When Planetoids Align	178	46	26%	0.11	40	30	75%	6.4
Wheels	486	162	33%	0.01	149	126	85%	4.3
Wheel Game	120	16	13%	0.00	17	14	82%	6.5
What's on the Grille?	1389	403	29%	0.00	428	362	85%	3.8
What's In It For Me?	184	58	32%	0.00	61	51	84%	4.5
What does the fox say?	7426	3251	44%	0.00	2932	2660	91%	2.0
What Really Happened on Mars?	213	57	27%	0.00	60	46	77%	6.4
What Does It Mean?	1992	549	28%	0.00	487	365	75%	5.3
Whac-a-Mole	789	195	25%	0.02	118	88	75%	5.8
Wet Tiles	618	274	44%	0.04	282	237	84%	3.5
Welcome to Code Jam (Hard)	1112	456	41%	0.00	441	360	82%	4.8
Welcome to Code Jam (Easy)	1597	845	53%	0.00	729	678	93%	2.1
Weird Flecks, But OK	87	45	52%	0.01	38	32	84%	6.6
Weightlifting	152	62	41%	0.00	44	39	89%	5.1
Wedding	329	62	19%	0.00	50	37	74%	6.7
Weather Report	364	234	64%	0.01	224	198	88%	3.4
Weak Vertices	3672	2333	64%	0.00	1946	1852	95%	1.5
Watersheds	93	51	55%	0.00	51	45	88%	4.0
Watering Grass	2539	572	23%	0.02	440	340	77%	5.3
Water	141	60	43%	0.02	58	50	86%	4.5
Watchdog	572	307	54%	0.00	263	250	95%	2.0
Watch Where You Step	802	182	23%	0.06	147	87	59%	7.4
Watch Out For Those Hailstones!	1349	312	23%	0.00	330	245	74%	3.0
Watch Later	249	55	22%	0.23	72	37	51%	7.5
Warehouse	2138	1148	54%	0.00	1022	951	93%	2.1
War on Weather	226	113	50%	0.00	111	100	90%	3.5
WFF 'N PROOF	268	129	48%	0.00	135	121	90%	2.9