Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Матрёшка	825	293	36%	0.07	247	200	81%	4.3
Zuma	75	29	39%	0.00	29	19	66%	7.1
Zoning Houses	1164	361	31%	0.09	249	178	71%	6.6
Zoning	482	199	41%	0.07	192	153	80%	4.7
Znanstvenik	669	304	45%	0.01	215	187	87%	3.9
Zipline	2520	805	32%	0.00	763	616	81%	3.4
Zipf's Song	1346	383	28%	0.01	343	246	72%	4.3
Zipf's Law	1648	408	25%	0.01	299	224	75%	5.6
Zig Zag Nametag	1000	409	41%	0.00	414	351	85%	3.7
Zigzag	656	236	36%	0.02	209	166	79%	5.0
Zgodan	79	28	35%	0.00	41	28	68%	6.8
Zerg Rush!!!	103	12	12%	0.28	16	10	62%	7.6
Zebras and Ocelots	2157	740	34%	0.00	741	642	87%	3.3
Zbrka	259	117	45%	0.02	104	88	85%	5.7
Zapis	493	157	32%	0.00	122	106	87%	4.6
Zamka	11335	6682	59%	0.00	6205	5989	97%	1.4
Zagrade	1137	418	37%	0.00	393	346	88%	3.2
Žabe	64	7	11%	0.00	13	6	46%	8.7
Zabava	350	133	38%	0.01	109	93	85%	4.5
Yoda	4684	2146	46%	0.00	2013	1820	90%	2.1
Yin and Yang Stones	2915	1848	63%	0.00	1672	1560	93%	1.7
Yikes - Bikes!	355	64	18%	0.00	101	53	52%	8.3
Yet Satisfiability Again!	1574	502	32%	0.00	345	298	86%	3.8
Yes, Yes, It's Nonograms	71	22	31%	0.01	22	16	73%	7.5
YATP	500	180	36%	0.48	131	98	75%	4.3
XYZZY	1895	322	17%	0.01	286	199	70%	6.9
Xtreme Driving	82	25	30%	0.00	30	25	83%	5.3
X-ray spectrum	192	46	24%	0.00	47	41	87%	5.4
Xortris	346	98	28%	0.00	104	82	79%	5.5
XOR Sequences	345	133	39%	0.00	112	91	81%	4.5
Xor Maximization	534	164	31%	0.00	128	96	75%	6.7
XOR Equation	373	122	33%	0.02	114	89	78%	5.5
Worst Weather Ever	1228	199	16%	0.02	196	116	59%	7.7
Wormholes	355	71	20%	0.00	67	36	54%	8.2
Work Reduction	959	280	29%	0.01	216	163	75%	5.4
Workout for a Dumbbell	656	218	33%	0.00	214	166	78%	5.5
Working at the Restaurant	2242	642	29%	0.01	584	466	80%	4.3
WordSpin	294	83	28%	0.06	88	68	77%	5.2
Words for Numbers	1922	763	40%	0.00	748	666	89%	2.5
Word Ladder	430	108	25%	0.00	114	84	74%	6.8
Word Equations	131	28	21%	0.05	39	25	64%	7.6
Word Clouds Revisited	273	132	48%	0.00	143	113	79%	5.0
Word Cloud	789	412	52%	0.00	400	369	92%	2.3
Wooden Signs	504	194	38%	0.01	93	84	90%	2.5
Wooden Crates	148	12	8%	0.22	30	10	33%	9.4
Wood Cutting	2726	1064	39%	0.01	860	746	87%	2.7
Wolf	434	141	32%	0.00	154	131	85%	4.9
Wizard of Odds	1510	630	42%	0.00	634	552	87%	2.7
Wizard Dance	171	35	20%	0.06	33	26	79%	6.7
Within Arm's Reach	192	35	18%	0.00	49	32	65%	8.5
Witchwood	270	79	29%	0.00	63	56	89%	4.5
Witch Dance	100	14	14%	0.28	13	9	69%	7.3
Wiseguy	50	27	54%	0.00	18	12	67%	6.5
Wireless is the New Fiber	1061	420	40%	0.01	371	332	89%	3.1
Wire Crossing	327	37	11%	0.02	45	30	67%	6.6
Wipe Your Whiteboards	300	77	26%	0.00	99	71	72%	5.5
Winter Roads	215	29	13%	0.23	29	16	55%	8.3
Winter Festival	47	18	38%	0.07	25	16	64%	6.8
Winning the Vote	80	19	24%	0.01	21	15	71%	7.2
Winning Streak	615	121	20%	0.13	116	72	62%	5.4
Windy Path	158	48	30%	0.00	62	39	63%	7.2
Window Manager	600	123	20%	0.00	130	99	76%	7.6
Wimbledon	116	51	44%	0.00	48	43	90%	5.2
Wi Know	1270	390	31%	0.03	190	147	77%	5.3
Wi-Fi	1982	486	25%	0.02	289	242	84%	4.3
Who Wants to Live Forever?	251	30	12%	0.01	55	27	49%	7.1
Who's the Boss?	135	57	42%	0.02	51	39	76%	5.5
Who owns the Amiga?	209	42	20%	0.00	41	23	56%	8.7
White Water Rafting	1563	632	40%	0.00	453	388	86%	3.2
Whiteboard	227	71	31%	0.41	86	62	72%	7.3
Which Base is it Anyway?	1828	747	41%	0.00	692	617	89%	2.4
Where to Live?	634	228	36%	0.01	192	154	80%	4.3
Where's My Internet??	11787	3401	29%	0.02	2475	1950	79%	4.4
Where Have You Bin?	139	51	37%	0.00	36	34	94%	4.9
When Planetoids Align	191	51	27%	0.11	45	33	73%	6.0
Wheels	524	176	34%	0.01	164	140	85%	4.0
Wheel Game	134	18	13%	0.00	19	15	79%	6.7
What's on the Grille?	1444	415	29%	0.00	441	374	85%	3.8
What's In It For Me?	184	58	32%	0.00	61	51	84%	4.5
What Really Happened on Mars?	215	58	27%	0.00	61	47	77%	6.4
What does the fox say?	7948	3466	44%	0.00	3141	2844	91%	2.2
What Does It Mean?	2124	584	27%	0.00	530	397	75%	5.3
Whac-a-Mole	1015	253	25%	0.02	155	118	76%	6.1
WFF 'N PROOF	402	180	45%	0.00	181	161	89%	2.9
Wet Tiles	630	280	44%	0.04	290	243	84%	3.6
WERTYU	3899	1077	28%	0.00	1067	901	84%	3.0
Welcome to Code Jam (Hard)	1187	496	42%	0.00	480	393	82%	4.6
Welcome to Code Jam (Easy)	1768	942	53%	0.00	774	718	93%	2.1
Weird Flecks, But OK	108	59	55%	0.01	52	42	81%	6.4
Weightlifting	152	62	41%	0.00	44	39	89%	5.1
Wedding	330	62	19%	0.00	51	37	73%	7.4
Weather Report	370	239	65%	0.01	228	202	89%	3.4
Weak Vertices	4450	2864	64%	0.00	2321	2215	95%	1.5
Watersheds	111	61	55%	0.00	59	54	92%	3.2
Watering Grass	3853	799	21%	0.02	569	432	76%	5.2
Water	291	125	43%	0.02	101	91	90%	3.1
Watch Where You Step	876	214	24%	0.06	157	96	61%	7.3
Watch Out For Those Hailstones!	1682	409	24%	0.00	423	321	76%	3.1
Watch Later	347	77	22%	0.23	95	48	51%	7.7
Watchdog	651	360	55%	0.00	310	294	95%	2.0