Problems by Zachary Friggstad

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
All Colourings	0.06	887	50	34	68%	5.9Hard	en
Always Know Where Your Towel Is	0.55	489	141	59	42%	8.0Hard	en
Antimatter Rain	0.17	1393	136	86	63%	7.3Hard	en
Attendance	0.00	61	857	783	91%	1.8Easy	en
Balls and Bins	0.01	273	92	72	78%	5.3Medium	en
Big And	0.08	130	204	159	78%	5.0Medium	en
Birthday Candles	0.00	94	235	208	89%	3.3Medium	en
Bombardment	0.12	230	161	119	74%	4.5Medium	en
Braaaains	0.03	435	70	46	66%	6.7Hard	en
Buildin' Roads	0.12	969	25	19	76%	5.9Hard	en
Bumper-To-Bumper Traffic	0.01	195	464	380	82%	3.8Medium	en
Bundles of Joy	0.00	545	258	183	71%	6.4Hard	en
Candy Store	0.00	91	1037	981	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	121	88	73%	7.0Hard	en
Corporate Retreat	0.03	1846	31	23	74%	7.0Hard	en
Cubic Cycle	0.01	737	53	29	55%	7.5Hard	en
Decisions, Decisions	0.00	126	315	281	89%	2.9Medium	en
Delivering Goods	0.02	1137	204	149	73%	6.0Hard	en
Dinner Time	0.00	162	141	117	83%	3.7Medium	en
Finding An A	0.00	6	9816	9419	96%	1.3Easy	en
Flipping Cards	0.02	220	532	358	67%	6.4Hard	en
Flow Shop	0.01	150	1441	1322	92%	2.0Easy	en
Folding a Cube	0.00	323	277	192	69%	5.9Hard	en
Frosh Week	0.01	69	2078	1938	93%	1.7Easy	en
GCVWR	0.00	27	3911	3780	97%	1.4Easy	en
Greedy Increasing Subsequences	0.03	186	141	110	78%	5.7Hard	en
H-Index	0.00	56	2413	1971	82%	3.9Medium	en
Handheld Fan	0.00	88	145	137	94%	2.5Easy	en
Hired Help	0.01	341	177	123	69%	5.7Hard	en
Hissing Microphone	0.00	23	19270	18534	96%	1.2Easy	en
Hockey Fans	0.03	298	76	59	78%	5.0Medium	en
I've Been Everywhere, Man	0.00	34	15316	14673	96%	1.5Easy	en
Interview Queue	0.02	745	407	234	57%	7.5Hard	en
Island Exploration	0.00	275	150	141	94%	2.4Easy	en
Keys, Phone, Wallet	0.00	54	2098	2002	95%	1.4Easy	en
Lefties vs. Righties	0.00	217	109	81	74%	5.7Hard	en
Lines of X	0.00	535	79	61	77%	4.7Medium	en
Loot Chest	0.00	109	124	107	86%	3.8Medium	en
Matrix Keypad	0.00	557	374	312	83%	3.6Medium	en
Maximal Sequences	0.02	534	315	213	68%	6.4Hard	en
Monitoring Ski Paths	0.02	573	261	171	66%	6.8Hard	en
Musical Scales	0.00	122	1635	1547	95%	1.6Easy	en
Ordinary Ordinals	0.00	49	243	188	77%	4.8Medium	en
Paper Snowflakes	0.02	530	127	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	730	686	94%	1.5Easy	en
Perfect Path Patrol	0.04	162	232	189	81%	5.8Hard	en
Piece of Cake!	0.00	48	8925	8522	95%	1.4Easy	en
Power String Matching	0.00	468	68	53	78%	5.4Medium	en
Quadratic Dissonance	0.00	110	155	129	83%	3.8Medium	en
RSA Mistake	0.00	222	312	250	80%	4.2Medium	en
Ray Chasing	0.00	440	201	170	85%	4.2Medium	en
Rectangle Tiling	0.00	272	113	81	72%	5.7Hard	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	620	574	93%	1.9Easy	en
Small Schedule	0.00	59	930	806	87%	4.7Medium	en
Snowball Fight	0.00	551	90	69	77%	6.1Hard	en
Social Distancing	0.00	60	890	797	90%	2.3Easy	en
Spies vs. Spies	0.30	904	54	45	83%	4.9Medium	en
Square Peg	0.00	43	1388	1309	94%	1.5Easy	en
Stack Construction	0.04	373	272	154	57%	7.0Hard	en
Stopwatch	0.00	47	6247	5958	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	48	38	79%	6.8Hard	en
The Biggest Triangle	0.00	742	314	255	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	112	86	77%	5.0Medium	en
Treasure Spotting	0.01	1114	152	113	74%	6.0Hard	en
Triangle Containment	0.05	385	213	133	62%	6.5Hard	en
Trimming Convex Polygons	0.00	813	88	58	66%	7.2Hard	en
Trip Odometer	0.00	71	515	460	89%	2.1Easy	en
Typo	0.07	597	664	438	66%	6.0Hard	en
Underspecified Ultrametrics	0.14	622	18	14	78%	6.9Hard	en
Video Games	0.00	133	117	114	97%	1.6Easy	en
What Time Is It Mr. Fox?	0.22	967	33	26	79%	6.2Hard	en
Wormhole Extreme!!!	0.00	342	87	69	79%	4.0Medium	en