Problems by Zachary Friggstad

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
All Colourings	0.06	887	48	32	67%	6.1Hard	en
Always Know Where Your Towel Is	0.55	489	127	53	42%	7.9Hard	en
Antimatter Rain	0.17	1393	129	80	62%	7.3Hard	en
Attendance	0.00	61	826	756	92%	1.8Easy	en
Balls and Bins	0.01	273	91	71	78%	5.3Medium	en
Big And	0.08	130	190	146	77%	5.0Medium	en
Birthday Candles	0.00	94	211	184	87%	3.1Medium	en
Bombardment	0.12	230	157	115	73%	4.4Medium	en
Braaaains	0.03	435	68	45	66%	6.3Hard	en
Buildin' Roads	0.12	969	24	18	75%	6.2Hard	en
Bumper-To-Bumper Traffic	0.01	195	456	373	82%	3.9Medium	en
Bundles of Joy	0.00	545	243	175	72%	6.2Hard	en
Candy Store	0.00	91	1004	949	95%	1.5Easy	en
Central String	0.03	441	42	21	50%	7.2Hard	en
Clumsy Cardinals	0.04	369	73	57	78%	5.5Hard	en
Color Tubes	0.00	897	114	82	72%	7.0Hard	en
Cubic Cycle	0.01	737	53	29	55%	7.5Hard	en
Decisions, Decisions	0.00	126	306	272	89%	3.0Medium	en
Delivering Goods	0.02	1137	199	147	74%	6.0Hard	en
Dinner Time	0.00	162	140	116	83%	3.7Medium	en
Finding An A	0.00	6	9575	9190	96%	1.3Easy	en
Flipping Cards	0.02	220	508	349	69%	6.3Hard	en
Flow Shop	0.01	150	1416	1298	92%	2.1Easy	en
Folding a Cube	0.00	323	269	186	69%	6.0Hard	en
Frosh Week	0.01	69	1802	1668	93%	1.9Easy	en
GCVWR	0.00	27	3870	3740	97%	1.4Easy	en
Greedy Increasing Subsequences	0.03	186	124	97	78%	5.9Hard	en
H-Index	0.00	56	2293	1889	82%	2.9Medium	en
Handheld Fan	0.00	88	129	121	94%	2.7Easy	en
Hired Help	0.01	341	177	123	69%	5.7Hard	en
Hissing Microphone	0.00	23	19015	18282	96%	1.2Easy	en
Hockey Fans	0.03	298	71	55	77%	5.0Medium	en
I've Been Everywhere, Man	0.00	34	15236	14597	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	2023	1940	96%	1.4Easy	en
Lefties vs. Righties	0.00	217	109	81	74%	5.7Hard	en
Lines of X	0.00	675	71	53	75%	5.8Hard	en
Loot Chest	0.00	109	118	101	86%	4.0Medium	en
Matrix Keypad	0.00	557	366	305	83%	3.6Medium	en
Maximal Sequences	0.02	534	315	213	68%	6.4Hard	en
Monitoring Ski Paths	0.02	573	260	170	65%	6.8Hard	en
Musical Scales	0.00	122	1621	1533	95%	1.7Easy	en
Ordinary Ordinals	0.00	49	242	187	77%	4.8Medium	en
Paper Snowflakes	0.02	530	123	94	76%	5.9Hard	en
Pawn Shop	0.03	119	322	270	84%	3.5Medium	en
Pegs and Legs	0.01	416	143	123	86%	3.8Medium	en
Pencil Crayons	0.00	40	717	673	94%	1.5Easy	en
Perfect Path Patrol	0.04	162	221	181	82%	5.8Hard	en
Piece of Cake!	0.00	48	8831	8429	95%	1.5Easy	en
Power String Matching	0.00	468	67	52	78%	5.5Hard	en
Quadratic Dissonance	0.00	110	155	129	83%	3.9Medium	en
RSA Mistake	0.00	222	302	241	80%	4.2Medium	en
Ray Chasing	0.00	440	178	145	81%	3.9Medium	en
Rectangle Tiling	0.00	272	107	78	73%	5.4Medium	en
Seven Up	0.00	409	52	44	85%	3.8Medium	en
Shopping Bags	0.00	238	95	52	55%	7.5Hard	en
Simone	0.00	76	618	573	93%	1.9Easy	en
Small Schedule	0.00	59	901	784	87%	4.8Medium	en
Snowball Fight	0.00	551	84	63	75%	5.4Medium	en
Social Distancing	0.00	60	862	773	90%	2.2Easy	en
Square Peg	0.00	43	1370	1294	94%	1.5Easy	en
Stack Construction	0.04	373	269	152	57%	7.1Hard	en
Stopwatch	0.00	47	6171	5883	95%	1.4Easy	en
Supply Routes	0.15	261	173	150	87%	3.9Medium	en
Swapping Places	0.02	1151	45	35	78%	6.7Hard	en
Team Change	0.00	1559	45	35	78%	7.1Hard	en
The Biggest Triangle	0.00	742	307	248	81%	4.4Medium	en
The King's Guards	0.02	2541	23	11	48%	8.4Hard	en
Thwack!	0.01	319	53	37	70%	6.9Hard	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	203	124	61%	6.5Hard	en
Trimming Convex Polygons	0.00	813	86	56	65%	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	86	68	79%	4.2Medium	en