Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Zuma	52	18	35%	0.00	23	15	65%	7.6
Zoning Houses	1120	347	31%	0.09	235	168	71%	6.3
Zoning	407	151	37%	0.07	156	122	78%	4.6
Znanstvenik	567	260	46%	0.01	171	147	86%	4.0
Zipline	2059	605	29%	0.00	659	521	79%	3.6
Zipf's Song	995	280	28%	0.01	267	178	67%	4.4
Zipf's Law	1083	275	25%	0.01	202	144	71%	5.9
Zig Zag Nametag	913	371	41%	0.00	376	318	85%	3.7
Zigzag	595	211	35%	0.02	185	146	79%	4.9
Zgodan	72	24	33%	0.00	36	24	67%	6.2
Zerg Rush!!!	101	12	12%	0.28	15	10	67%	7.5
Zebras and Ocelots	1587	544	34%	0.00	556	480	86%	3.3
Zbrka	230	102	44%	0.02	92	77	84%	6.1
Zapis	361	117	32%	0.00	96	83	86%	4.9
Zamka	8774	5189	59%	0.00	4806	4641	97%	1.4
Zagrade	901	315	35%	0.00	294	257	87%	3.1
Žabe	60	6	10%	0.00	11	5	45%	8.8
Zabava	323	126	39%	0.01	101	86	85%	3.9
Yoda	3787	1758	46%	0.00	1655	1497	90%	2.1
Yin and Yang Stones	2386	1498	63%	0.00	1358	1265	93%	1.7
Yikes - Bikes!	341	61	18%	0.00	93	50	54%	8.1
Yet Satisfiability Again!	1167	373	32%	0.00	271	228	84%	3.9
Yes, Yes, It's Nonograms	59	22	37%	0.01	19	16	84%	5.8
YATP	426	152	36%	0.48	105	74	70%	5.9
XYZZY	1185	252	21%	0.01	201	146	73%	6.9
Xtreme Driving	81	24	30%	0.00	29	24	83%	5.4
X-ray spectrum	166	38	23%	0.00	39	34	87%	4.6
Xortris	205	65	32%	0.00	74	59	80%	5.8
XOR Sequences	238	89	37%	0.01	89	71	80%	4.8
Xor Maximization	409	137	33%	0.00	100	77	77%	5.6
XOR Equation	278	81	29%	0.02	72	57	79%	4.6
Worst Weather Ever	860	142	17%	0.04	156	86	55%	8.1
Wormholes	328	67	20%	0.00	59	32	54%	8.4
Work Reduction	546	185	34%	0.01	130	97	75%	6.1
Workout for a Dumbbell	578	190	33%	0.00	185	141	76%	5.6
Working at the Restaurant	1379	406	29%	0.01	379	296	78%	4.9
WordSpin	217	62	29%	0.06	67	53	79%	6.0
Words for Numbers	1620	637	39%	0.00	633	563	89%	2.5
Word Ladder	330	88	27%	0.00	97	72	74%	6.4
Word Equations	118	22	19%	0.05	34	21	62%	8.2
Word Clouds Revisited	227	94	41%	0.00	116	87	75%	5.2
Word Cloud	643	333	52%	0.00	320	296	92%	2.3
Wooden Signs	97	52	54%	0.01	50	42	84%	3.9
Wooden Crates	80	9	11%	0.22	21	8	38%	8.8
Wood Cutting	1898	776	41%	0.01	632	542	86%	3.1
Wolf	396	129	33%	0.00	144	120	83%	5.3
Wizard of Odds	1299	514	40%	0.00	525	450	86%	2.8
Wizard Dance	160	32	20%	0.15	29	23	79%	6.4
Within Arm's Reach	164	32	20%	0.00	37	29	78%	7.1
Witchwood	182	71	39%	0.00	56	49	88%	4.5
Wiseguy	22	8	36%	0.00	13	7	54%	8.1
Wireless is the New Fiber	899	367	41%	0.01	324	289	89%	3.1
Wire Crossing	325	35	11%	0.02	43	28	65%	7.1
Wipe Your Whiteboards	206	54	26%	0.00	71	49	69%	6.4
Winter Roads	156	18	12%	0.40	25	14	56%	8.0
Winter Festival	47	18	38%	0.07	25	16	64%	6.7
Winning Streak	555	115	21%	0.13	101	66	65%	5.5
Windy Path	154	45	29%	0.00	59	36	61%	7.5
Window Manager	472	103	22%	0.00	106	86	81%	6.2
Wi Know	1124	333	30%	0.03	176	133	76%	5.5
Wi-Fi	1552	414	27%	0.02	224	188	84%	4.1
Who Wants to Live Forever?	224	24	11%	0.01	46	22	48%	7.5
Who's the Boss?	89	35	39%	0.02	33	23	70%	6.7
Who owns the Amiga?	98	32	33%	0.00	29	17	59%	8.5
White Water Rafting	1139	416	37%	0.00	359	297	83%	3.4
Whiteboard	219	68	31%	0.41	83	60	72%	6.5
Which Base is it Anyway?	1510	609	40%	0.00	556	493	89%	2.4
Where to Live?	574	201	35%	0.01	170	132	78%	4.8
Where's My Internet??	9415	2736	29%	0.02	1991	1565	79%	4.1
Where Have You Bin?	87	32	37%	0.00	21	21	100%	3.7
When Planetoids Align	178	46	26%	0.11	40	30	75%	6.4
Wheels	457	149	33%	0.01	137	114	83%	4.2
Wheel Game	116	12	10%	0.00	14	11	79%	6.7
What's on the Grille?	1300	383	29%	0.00	408	347	85%	3.7
What's In It For Me?	156	52	33%	0.00	55	46	84%	3.9
What Really Happened on Mars?	196	53	27%	0.00	56	42	75%	6.7
What does the fox say?	5959	2716	46%	0.00	2506	2270	91%	2.0
What Does It Mean?	1365	393	29%	0.00	403	293	73%	5.4
Whac-a-Mole	700	179	26%	0.02	106	82	77%	5.4
WFF 'N PROOF	241	112	46%	0.00	118	104	88%	3.2
Wet Tiles	492	218	44%	0.04	225	187	83%	3.9
WERTYU	3118	845	27%	0.00	864	725	84%	2.9
Welcome to Code Jam (Hard)	955	386	40%	0.00	387	315	81%	4.9
Welcome to Code Jam (Easy)	1408	754	54%	0.00	647	601	93%	2.1
Weird Flecks, But OK	68	32	47%	0.01	30	24	80%	7.1
Weightlifting	149	59	40%	0.00	42	37	88%	5.0
Wedding	315	57	18%	0.00	48	34	71%	7.2
Weather Report	327	213	65%	0.01	202	183	91%	3.0
Weak Vertices	2820	1799	64%	0.00	1521	1442	95%	1.6
Watersheds	79	43	54%	0.00	42	38	90%	3.5
Watering Grass	2199	474	22%	0.02	373	278	75%	5.8
Water	108	46	43%	0.02	47	41	87%	4.3
Watch Where You Step	771	175	23%	0.06	141	83	59%	7.2
Watch Out For Those Hailstones!	1146	224	20%	0.00	260	180	69%	3.4
Watch Later	205	41	20%	0.23	55	26	47%	7.8
Watchdog	410	211	51%	0.00	182	172	95%	2.0
War on Weather	215	105	49%	0.00	104	93	89%	3.8
Warehouse	1820	986	54%	0.00	864	809	94%	2.0
Walrus Weights	3038	928	31%	0.00	654	513	78%	3.9
Walk	27	5	19%	0.02	7	5	71%	7.1