Problems by Zachary Friggstad

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
All Colourings	0.06	887	51	34	67%	6.8Hard	en
Always Know Where Your Towel Is	0.55	489	141	60	43%	8.0Hard	en
Antimatter Rain	0.17	1393	137	87	64%	7.3Hard	en
Attendance	0.00	61	867	793	91%	1.7Easy	en
Balls and Bins	0.01	273	92	72	78%	5.3Medium	en
Big And	0.08	130	205	160	78%	5.0Medium	en
Birthday Candles	0.00	94	241	213	88%	3.3Medium	en
Bombardment	0.12	230	161	119	74%	4.5Medium	en
Braaaains	0.03	435	71	47	66%	6.6Hard	en
Buildin' Roads	0.12	969	26	19	73%	6.7Hard	en
Bumper-To-Bumper Traffic	0.01	195	465	381	82%	3.8Medium	en
Bundles of Joy	0.00	545	259	183	71%	6.4Hard	en
Candy Store	0.00	91	1048	991	95%	1.5Easy	en
Central String	0.03	441	44	23	52%	7.2Hard	en
Clumsy Cardinals	0.04	369	74	58	78%	5.4Medium	en
Color Tubes	0.00	897	123	89	72%	7.1Hard	en
Corporate Retreat	0.03	1846	31	23	74%	7.0Hard	en
Cubic Cycle	0.01	737	54	30	56%	7.4Hard	en
Decisions, Decisions	0.00	126	317	282	89%	2.9Medium	en
Delivering Goods	0.02	1137	204	149	73%	6.0Hard	en
Dinner Time	0.00	162	142	118	83%	3.7Medium	en
Finding An A	0.00	6	9843	9446	96%	1.3Easy	en
Flipping Cards	0.02	220	532	358	67%	6.4Hard	en
Flow Shop	0.01	150	1451	1331	92%	2.1Easy	en
Folding a Cube	0.00	323	281	194	69%	5.9Hard	en
Frosh Week	0.01	69	2088	1948	93%	1.7Easy	en
GCVWR	0.00	27	3919	3787	97%	1.4Easy	en
Greedy Increasing Subsequences	0.03	186	142	110	77%	5.9Hard	en
H-Index	0.00	56	2429	1986	82%	3.8Medium	en
Handheld Fan	0.00	88	147	139	95%	2.5Easy	en
Hired Help	0.01	341	178	124	70%	5.7Hard	en
Hissing Microphone	0.00	23	19349	18613	96%	1.2Easy	en
Hockey Fans	0.03	298	79	60	76%	5.8Hard	en
I've Been Everywhere, Man	0.00	34	15354	14709	96%	1.5Easy	en
Interview Queue	0.02	745	409	235	57%	7.5Hard	en
Island Exploration	0.00	275	152	143	94%	2.4Easy	en
Keys, Phone, Wallet	0.00	54	2113	2016	95%	1.4Easy	en
Lefties vs. Righties	0.00	217	111	81	73%	5.7Hard	en
Lines of X	0.00	535	81	63	78%	4.7Medium	en
Loot Chest	0.00	109	125	108	86%	3.8Medium	en
Matrix Keypad	0.00	557	375	313	83%	3.6Medium	en
Maximal Sequences	0.02	534	317	215	68%	6.4Hard	en
Monitoring Ski Paths	0.02	573	261	171	66%	6.8Hard	en
Musical Scales	0.00	122	1642	1554	95%	1.6Easy	en
Ordinary Ordinals	0.00	49	244	189	77%	4.8Medium	en
Paper Snowflakes	0.02	530	128	98	77%	6.0Hard	en
Pawn Shop	0.03	119	331	276	83%	3.5Medium	en
Pegs and Legs	0.01	416	149	129	87%	3.7Medium	en
Pencil Crayons	0.00	40	736	692	94%	1.5Easy	en
Perfect Path Patrol	0.04	162	232	189	81%	5.8Hard	en
Piece of Cake!	0.00	48	8943	8538	95%	1.4Easy	en
Power String Matching	0.00	336	68	53	78%	5.4Medium	en
Quadratic Dissonance	0.00	110	155	129	83%	3.9Medium	en
RSA Mistake	0.00	222	312	250	80%	4.2Medium	en
Ray Chasing	0.00	440	202	171	85%	4.2Medium	en
Rectangle Tiling	0.00	272	113	81	72%	5.8Hard	en
Seven Up	0.00	409	53	45	85%	3.8Medium	en
Shopping Bags	0.00	238	97	53	55%	7.4Hard	en
Simone	0.00	76	622	576	93%	1.9Easy	en
Small Schedule	0.00	59	931	807	87%	4.7Medium	en
Snowball Fight	0.00	551	91	69	76%	6.1Hard	en
Social Distancing	0.00	60	891	798	90%	2.3Easy	en
Spies vs. Spies	0.30	904	54	45	83%	4.9Medium	en
Square Peg	0.00	43	1397	1318	94%	1.5Easy	en
Stack Construction	0.04	373	272	154	57%	7.0Hard	en
Stopwatch	0.00	47	6270	5977	95%	1.4Easy	en
Supply Routes	0.15	261	175	152	87%	3.9Medium	en
Swapping Places	0.02	1151	45	35	78%	6.7Hard	en
Team Change	0.00	1559	49	40	82%	6.1Hard	en
The Biggest Triangle	0.00	742	315	256	81%	4.3Medium	en
The King's Guards	0.02	2541	26	14	54%	7.9Hard	en
Thwack!	0.01	319	54	38	70%	6.6Hard	en
Trade Routes	0.17	628	113	86	76%	5.0Medium	en
Treasure Spotting	0.01	1114	152	113	74%	6.0Hard	en
Triangle Containment	0.05	385	214	134	63%	6.4Hard	en
Trimming Convex Polygons	0.00	813	88	58	66%	7.2Hard	en
Trip Odometer	0.00	71	516	461	89%	2.1Easy	en
Typo	0.07	597	665	439	66%	6.0Hard	en
Underspecified Ultrametrics	0.14	622	18	14	78%	6.9Hard	en
Video Games	0.00	133	164	160	98%	1.5Easy	en
What Time Is It Mr. Fox?	0.22	967	33	26	79%	6.3Hard	en
Wormhole Extreme!!!	0.00	342	87	69	79%	4.0Medium	en