Problems by Zachary Friggstad

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
All Colourings	0.06	887	52	34	65%	7.1Hard	en
Always Know Where Your Towel Is	0.55	489	144	63	44%	7.8Hard	en
Antimatter Rain	0.17	1393	140	90	64%	7.2Hard	en
Attendance	0.00	61	900	826	92%	1.7Easy	en
Balls and Bins	0.01	273	92	72	78%	5.5Hard	en
Big And	0.08	130	208	164	79%	4.8Medium	en
Birthday Candles	0.00	94	255	223	87%	3.3Medium	en
Bombardment	0.12	230	161	120	75%	4.5Medium	en
Braaaains	0.03	430	73	49	67%	6.2Hard	en
Buildin' Roads	0.09	969	27	21	78%	5.9Hard	en
Bumper-To-Bumper Traffic	0.01	195	467	383	82%	3.7Medium	en
Bundles of Joy	0.00	545	259	184	71%	6.3Hard	en
Candy Store	0.00	91	1060	1001	94%	1.5Easy	en
Central String	0.03	441	44	23	52%	7.4Hard	en
Clumsy Cardinals	0.04	369	74	58	78%	5.7Hard	en
Color Tubes	0.00	897	123	89	72%	7.1Hard	en
Corporate Retreat	0.03	1846	34	25	74%	7.0Hard	en
Cubic Cycle	0.01	737	54	30	56%	7.8Hard	en
Decisions, Decisions	0.00	126	320	286	89%	2.9Medium	en
Delivering Goods	0.02	1137	204	150	74%	5.9Hard	en
Dinner Time	0.00	162	148	121	82%	3.9Medium	en
Finding An A	0.00	6	9872	9475	96%	1.3Easy	en
Flipping Cards	0.02	220	534	361	68%	6.3Hard	en
Flow Shop	0.01	150	1465	1343	92%	2.1Easy	en
Folding a Cube	0.00	323	282	195	69%	5.9Hard	en
Frosh Week	0.01	69	2116	1976	93%	1.6Easy	en
GCVWR	0.00	27	3947	3815	97%	1.4Easy	en
Greedy Increasing Subsequences	0.03	186	142	112	79%	5.5Hard	en
H-Index	0.00	56	2508	2052	82%	3.5Medium	en
Handheld Fan	0.00	88	164	156	95%	2.3Easy	en
Hired Help	0.01	341	181	125	69%	5.7Hard	en
Hissing Microphone	0.00	23	19585	18847	96%	1.2Easy	en
Hockey Fans	0.03	298	81	64	79%	4.8Medium	en
I've Been Everywhere, Man	0.00	34	15437	14794	96%	1.4Easy	en
Interview Queue	0.02	745	409	236	58%	7.4Hard	en
Island Exploration	0.00	275	162	153	94%	2.3Easy	en
Keys, Phone, Wallet	0.00	54	2151	2052	95%	1.5Easy	en
Lefties vs. Righties	0.00	217	112	83	74%	5.5Hard	en
Lines of X	0.00	305	83	66	80%	4.2Medium	en
Loot Chest	0.00	109	127	110	87%	3.7Medium	en
Matrix Keypad	0.00	557	376	315	84%	3.5Medium	en
Maximal Sequences	0.02	534	319	216	68%	6.3Hard	en
Monitoring Ski Paths	0.02	573	262	172	66%	6.7Hard	en
Musical Scales	0.00	122	1649	1561	95%	1.6Easy	en
Ordinary Ordinals	0.00	49	253	195	77%	4.9Medium	en
Paper Snowflakes	0.02	508	129	99	77%	6.0Hard	en
Pawn Shop	0.03	119	334	279	84%	3.5Medium	en
Pegs and Legs	0.01	416	150	130	87%	3.6Medium	en
Pencil Crayons	0.00	40	748	704	94%	1.5Easy	en
Perfect Path Patrol	0.04	162	234	191	82%	5.9Hard	en
Piece of Cake!	0.00	48	8994	8589	95%	1.4Easy	en
Power String Matching	0.00	336	69	55	80%	4.8Medium	en
Quadratic Dissonance	0.00	110	156	130	83%	3.8Medium	en
RSA Mistake	0.00	222	316	253	80%	4.1Medium	en
Ray Chasing	0.00	440	206	176	85%	4.1Medium	en
Rectangle Tiling	0.00	272	121	87	72%	5.6Hard	en
Seven Up	0.00	409	54	46	85%	4.1Medium	en
Shopping Bags	0.00	238	97	54	56%	7.0Hard	en
Simone	0.00	76	625	579	93%	1.9Easy	en
Small Schedule	0.00	59	935	811	87%	4.7Medium	en
Snowball Fight	0.00	551	91	69	76%	6.2Hard	en
Social Distancing	0.00	60	903	810	90%	2.2Easy	en
Spies vs. Spies	0.30	904	60	49	82%	5.2Medium	en
Square Peg	0.00	43	1418	1339	94%	1.5Easy	en
Stack Construction	0.04	373	273	155	57%	6.9Hard	en
Stopwatch	0.00	47	6297	6003	95%	1.4Easy	en
Supply Routes	0.13	261	177	155	88%	3.7Medium	en
Swapping Places	0.02	1151	46	35	76%	7.7Hard	en
Team Change	0.00	1559	49	40	82%	6.4Hard	en
The Biggest Triangle	0.00	742	324	266	82%	4.1Medium	en
The King's Guards	0.02	2539	28	15	54%	8.5Hard	en
Thwack!	0.01	319	57	41	72%	6.8Hard	en
Trade Routes	0.17	628	113	86	76%	5.1Medium	en
Treasure Spotting	0.01	1114	154	113	73%	6.2Hard	en
Triangle Containment	0.05	385	218	138	63%	6.4Hard	en
Trimming Convex Polygons	0.00	813	88	58	66%	7.3Hard	en
Trip Odometer	0.00	71	519	464	89%	2.1Easy	en
Typo	0.07	597	665	439	66%	6.0Hard	en
Underspecified Ultrametrics	0.14	622	18	15	83%	6.1Hard	en
Video Games	0.00	133	208	200	96%	1.6Easy	en
What Time Is It Mr. Fox?	0.22	967	39	31	79%	5.7Hard	en
Wormhole Extreme!!!	0.00	342	87	69	79%	4.2Medium	en