Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
Zuma	19	10	53%	0.00	9	7	78%	6.2
Zoning Houses	494	133	27%	0.13	165	109	66%	6.4
Zoning	257	87	34%	0.07	94	66	70%	5.8
Znanstvenik	240	110	46%	0.01	63	57	90%	4.0
Zipf's Song	538	147	27%	0.01	168	99	59%	4.1
Zipf's Law	585	145	25%	0.01	119	83	70%	5.8
Zig Zag Nametag	681	285	42%	0.00	281	245	87%	3.2
Zigzag	51	22	43%	0.02	16	15	94%	4.8
Zgodan	44	12	27%	0.00	22	12	55%	6.2
Zerg Rush!!!	14	3	21%	0.58	4	3	75%	5.9
Zebras and Ocelots	349	127	36%	0.00	129	113	88%	4.6
Zbrka	170	72	42%	0.02	64	54	84%	4.7
Zapis	232	70	30%	0.00	59	48	81%	5.9
Zamka	3363	2057	61%	0.00	1959	1887	96%	1.3
Zagrade	346	135	39%	0.00	117	104	89%	2.8
Žabe	2	2	100%	0.23	1	1	100%	5.4
Zabava	54	23	43%	0.01	25	20	80%	5.5
Yoda	1578	748	47%	0.00	737	665	90%	1.9
Yin and Yang Stones	1314	829	63%	0.00	777	720	93%	1.7
Yikes -- Bikes!	280	49	18%	0.00	76	41	54%	8.1
Yet Satisfiability Again!	607	191	31%	0.00	148	120	81%	4.1
Yes, Yes, It's Nonograms	34	11	32%	0.01	9	8	89%	5.1
YATP	264	92	35%	0.48	56	37	66%	5.8
XYZZY	829	165	20%	0.01	141	98	70%	7.1
Xtreme Driving	41	9	22%	0.00	12	9	75%	6.2
X-ray spectrum	56	20	36%	0.00	20	18	90%	4.4
Xortris	123	41	33%	0.00	44	36	82%	6.1
Xor Maximization	160	57	36%	0.02	58	41	71%	7.4
Worst Weather Ever	670	112	17%	0.04	109	64	59%	6.9
Wormholes	124	21	17%	0.00	35	16	46%	8.9
Work Reduction	232	50	22%	0.01	59	37	63%	7.1
Workout for a Dumbbell	236	66	28%	0.00	59	48	81%	5.9
Working at the Restaurant	780	239	31%	0.01	203	154	76%	5.0
WordSpin	79	33	42%	0.10	34	29	85%	4.9
Words for Numbers	941	373	40%	0.00	370	335	91%	2.2
Word Ladder	189	54	29%	0.00	59	47	80%	6.0
Word Equations	69	16	23%	0.05	24	15	62%	7.9
Word Clouds Revisited	170	73	43%	0.00	89	67	75%	5.1
Word Cloud	487	236	48%	0.00	226	209	92%	2.2
Wooden Signs	78	39	50%	0.01	37	30	81%	4.4
Wood Cutting	907	397	44%	0.01	310	266	86%	3.2
Wolf	348	108	31%	0.00	119	100	84%	4.5
Wizard of Odds	431	199	46%	0.00	195	168	86%	2.9
Within Arm's Reach	91	20	22%	0.00	22	17	77%	6.8
Witchwood	68	19	28%	0.00	19	17	89%	3.2
Wireless is the New Fiber	396	163	41%	0.01	155	140	90%	2.6
Wire Crossing	273	29	11%	0.02	35	24	69%	6.1
Wipe Your Whiteboards	173	39	23%	0.00	54	37	69%	6.9
Winter Roads	43	7	16%	0.40	12	7	58%	6.5
Winter Festival	28	10	36%	0.07	13	9	69%	6.0
Winning Streak	419	83	20%	0.13	76	47	62%	5.0
Windy Path	109	24	22%	0.00	35	21	60%	6.9
Window Manager	424	92	22%	0.01	87	75	86%	4.5
Wi-Fi	172	61	35%	0.03	53	43	81%	5.3
Who Wants to Live Forever?	159	15	9%	0.01	30	14	47%	7.9
Who's the Boss?	41	14	34%	0.03	14	9	64%	7.4
Who owns the Amiga?	71	20	28%	0.00	22	14	64%	7.9
White Water Rafting	599	228	38%	0.00	207	176	85%	3.0
Whiteboard	177	56	32%	0.41	69	49	71%	5.6
Which Base is it Anyway?	739	311	42%	0.00	263	230	87%	2.3
Where to Live?	384	123	32%	0.01	92	72	78%	3.0
Where's My Internet??	2465	716	29%	0.02	697	512	73%	3.2
When Planetoids Align	67	14	21%	0.18	15	12	80%	6.0
Wheels	203	62	31%	0.01	59	51	86%	4.8
Wheel Game	29	8	28%	0.00	11	8	73%	7.0
What's on the Grille?	801	245	31%	0.00	264	224	85%	3.5
What's In It For Me?	128	41	32%	0.00	44	35	80%	4.2
What Really Happened on Mars?	161	50	31%	0.00	49	39	80%	4.7
What does the fox say?	2891	1277	44%	0.00	1219	1100	90%	2.1
What Does It Mean?	830	237	29%	0.00	243	178	73%	5.6
Whac-a-Mole	468	128	27%	0.03	76	54	71%	7.1
WFF 'N PROOF	142	60	42%	0.00	64	56	88%	3.1
Wet Tiles	325	156	48%	0.04	161	136	84%	3.7
WERTYU	2088	539	26%	0.00	568	471	83%	2.9
Welcome to Code Jam (Hard)	556	214	38%	0.00	226	183	81%	5.0
Welcome to Code Jam (Easy)	830	444	53%	0.00	384	361	94%	1.9
Weightlifting	109	46	42%	0.00	27	25	93%	4.9
Wedding	177	17	10%	0.00	17	11	65%	7.3
Weather Report	275	184	67%	0.01	172	156	91%	2.7
Weak Vertices	1053	668	63%	0.00	646	593	92%	1.9
Watersheds	48	25	52%	0.00	26	22	85%	4.7
Watering Grass	1453	304	21%	0.02	244	179	73%	5.8
Water	15	3	20%	0.28	4	3	75%	6.1
Watchdog	137	76	55%	0.00	67	62	93%	2.6
War on Weather	116	56	48%	0.00	56	50	89%	3.8
Walrus Weights	2048	578	28%	0.00	397	306	77%	4.0
Waif Until Dark	152	63	41%	0.00	54	47	87%	4.4
Vuk	93	35	38%	0.02	28	25	89%	4.2
Vudu	181	96	53%	0.14	44	40	91%	4.5
Volume Amplification	82	24	29%	0.33	26	18	69%	5.9
Volim	2077	1040	50%	0.00	973	929	95%	1.6
Vocabulary	29	11	38%	0.09	11	10	91%	5.8
Vještica	7	3	43%	0.25	6	3	50%	6.9
VivoParc	289	72	25%	0.00	76	54	71%	6.1
Visual Python++	930	139	15%	0.12	143	102	71%	6.9
VisuAlgo Online Quiz	1577	508	32%	0.00	405	348	86%	3.7
Visitors Train	27	3	11%	0.00	5	2	40%	8.0
Virus Synthesis	14	5	36%	0.07	7	4	57%	6.5
Virus Replication	2403	563	23%	0.00	538	427	79%	4.0
Virtual Friends	3567	941	26%	0.01	743	530	71%	5.0