Problems by Zachary Friggstad

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
All Colourings	0.06	887	49	33	67%	6.0Hard	en
Always Know Where Your Towel Is	0.55	489	126	53	42%	7.9Hard	en
Antimatter Rain	0.17	1393	129	80	62%	7.3Hard	en
Attendance	0.00	61	825	755	92%	1.8Easy	en
Balls and Bins	0.01	273	92	71	77%	5.3Medium	en
Big And	0.08	130	184	144	78%	4.9Medium	en
Birthday Candles	0.00	94	210	183	87%	3.2Medium	en
Bombardment	0.12	230	157	115	73%	4.3Medium	en
Braaaains	0.03	435	67	45	67%	6.0Hard	en
Buildin' Roads	0.12	969	25	19	76%	6.2Hard	en
Bumper-To-Bumper Traffic	0.01	195	454	371	82%	3.9Medium	en
Bundles of Joy	0.00	545	243	175	72%	6.3Hard	en
Candy Store	0.00	91	1003	948	95%	1.5Easy	en
Central String	0.03	441	43	22	51%	7.2Hard	en
Clumsy Cardinals	0.04	369	73	57	78%	5.4Medium	en
Color Tubes	0.00	897	114	82	72%	7.0Hard	en
Cubic Cycle	0.01	737	54	30	56%	7.5Hard	en
Decisions, Decisions	0.00	126	306	272	89%	3.0Medium	en
Delivering Goods	0.02	1137	200	148	74%	6.0Hard	en
Dinner Time	0.00	162	141	116	82%	3.8Medium	en
Finding An A	0.00	6	9560	9174	96%	1.3Easy	en
Flipping Cards	0.02	220	507	348	69%	6.3Hard	en
Flow Shop	0.01	150	1409	1291	92%	2.1Easy	en
Folding a Cube	0.00	323	269	187	70%	6.0Hard	en
Frosh Week	0.01	69	1792	1659	93%	1.9Easy	en
GCVWR	0.00	27	3863	3733	97%	1.4Easy	en
Greedy Increasing Subsequences	0.03	186	121	96	79%	5.8Hard	en
H-Index	0.00	56	2290	1886	82%	2.9Medium	en
Handheld Fan	0.00	88	128	120	94%	2.7Easy	en
Hired Help	0.01	341	178	124	70%	5.7Hard	en
Hissing Microphone	0.00	23	18896	18163	96%	1.2Easy	en
Hockey Fans	0.03	298	71	55	77%	5.0Medium	en
I've Been Everywhere, Man	0.00	34	15227	14588	96%	1.5Easy	en
Interview Queue	0.02	745	370	209	56%	7.6Hard	en
Island Exploration	0.00	275	123	115	93%	2.6Easy	en
Keys, Phone, Wallet	0.00	54	2019	1936	96%	1.4Easy	en
Lefties vs. Righties	0.00	217	110	82	75%	5.7Hard	en
Lines of X	0.00	675	70	52	74%	5.8Hard	en
Loot Chest	0.00	109	118	101	86%	3.9Medium	en
Matrix Keypad	0.00	557	367	306	83%	3.6Medium	en
Maximal Sequences	0.02	534	316	214	68%	6.4Hard	en
Monitoring Ski Paths	0.02	573	259	170	66%	6.7Hard	en
Musical Scales	0.00	122	1616	1528	95%	1.7Easy	en
Ordinary Ordinals	0.00	49	242	187	77%	4.8Medium	en
Paper Snowflakes	0.02	530	123	94	76%	5.8Hard	en
Pawn Shop	0.03	119	321	269	84%	3.5Medium	en
Pegs and Legs	0.01	416	143	123	86%	3.8Medium	en
Pencil Crayons	0.00	40	713	669	94%	1.5Easy	en
Perfect Path Patrol	0.04	162	217	177	82%	5.9Hard	en
Piece of Cake!	0.00	48	8828	8426	95%	1.5Easy	en
Power String Matching	0.00	468	68	53	78%	5.5Hard	en
Quadratic Dissonance	0.00	110	155	129	83%	3.9Medium	en
RSA Mistake	0.00	222	301	240	80%	4.3Medium	en
Ray Chasing	0.00	440	175	142	81%	3.8Medium	en
Rectangle Tiling	0.00	272	104	75	72%	5.6Hard	en
Seven Up	0.00	409	52	44	85%	3.8Medium	en
Shopping Bags	0.00	238	95	53	56%	7.3Hard	en
Simone	0.00	76	618	573	93%	1.9Easy	en
Small Schedule	0.00	59	900	783	87%	4.8Medium	en
Snowball Fight	0.00	551	84	63	75%	5.3Medium	en
Social Distancing	0.00	60	860	771	90%	2.3Easy	en
Square Peg	0.00	43	1365	1290	95%	1.5Easy	en
Stack Construction	0.04	373	270	153	57%	7.1Hard	en
Stopwatch	0.00	47	6166	5878	95%	1.4Easy	en
Supply Routes	0.15	261	173	150	87%	3.9Medium	en
Swapping Places	0.02	1151	46	36	78%	6.7Hard	en
Team Change	0.00	1559	45	35	78%	7.1Hard	en
The Biggest Triangle	0.00	742	305	246	81%	4.4Medium	en
The King's Guards	0.02	2541	23	10	43%	8.5Hard	en
Thwack!	0.01	319	54	37	69%	6.8Hard	en
Trade Routes	0.17	628	106	79	75%	5.3Medium	en
Treasure Spotting	0.01	1114	151	113	75%	5.9Hard	en
Triangle Containment	0.05	385	202	123	61%	6.5Hard	en
Trimming Convex Polygons	0.00	813	87	57	66%	7.7Hard	en
Trip Odometer	0.00	71	512	458	89%	2.1Easy	en
Typo	0.07	597	625	405	65%	6.3Hard	en
Underspecified Ultrametrics	0.14	622	17	14	82%	6.4Hard	en
Wormhole Extreme!!!	0.00	342	87	69	79%	4.3Medium	en