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%	6.0Hard	en
Always Know Where Your Towel Is	0.55	489	135	54	40%	8.1Hard	en
Antimatter Rain	0.17	1393	134	83	62%	7.5Hard	en
Attendance	0.00	61	839	766	91%	1.8Easy	en
Balls and Bins	0.01	273	91	71	78%	5.3Medium	en
Big And	0.08	130	199	154	77%	4.9Medium	en
Birthday Candles	0.00	94	213	186	87%	3.3Medium	en
Bombardment	0.12	230	158	116	73%	4.5Medium	en
Braaaains	0.03	435	68	45	66%	6.4Hard	en
Buildin' Roads	0.12	969	24	18	75%	6.2Hard	en
Bumper-To-Bumper Traffic	0.01	195	461	377	82%	3.9Medium	en
Bundles of Joy	0.00	545	245	176	72%	6.3Hard	en
Candy Store	0.00	91	1012	957	95%	1.5Easy	en
Central String	0.03	441	42	21	50%	7.3Hard	en
Clumsy Cardinals	0.04	369	74	58	78%	5.4Medium	en
Color Tubes	0.00	897	120	87	72%	7.0Hard	en
Cubic Cycle	0.01	737	53	29	55%	7.5Hard	en
Decisions, Decisions	0.00	126	313	278	89%	3.0Medium	en
Delivering Goods	0.02	1137	200	148	74%	5.9Hard	en
Dinner Time	0.00	162	141	117	83%	3.7Medium	en
Finding An A	0.00	6	9686	9297	96%	1.3Easy	en
Flipping Cards	0.02	220	520	356	68%	6.2Hard	en
Flow Shop	0.01	150	1430	1311	92%	2.1Easy	en
Folding a Cube	0.00	323	272	189	69%	5.9Hard	en
Frosh Week	0.01	69	1933	1798	93%	1.8Easy	en
GCVWR	0.00	27	3887	3756	97%	1.4Easy	en
Greedy Increasing Subsequences	0.03	186	136	108	79%	5.5Hard	en
H-Index	0.00	56	2324	1906	82%	3.3Medium	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	19130	18396	96%	1.2Easy	en
Hockey Fans	0.03	298	72	56	78%	4.7Medium	en
I've Been Everywhere, Man	0.00	34	15258	14618	96%	1.5Easy	en
Interview Queue	0.02	745	385	221	57%	7.5Hard	en
Island Exploration	0.00	275	129	121	94%	2.5Easy	en
Keys, Phone, Wallet	0.00	54	2051	1967	96%	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	121	104	86%	3.9Medium	en
Matrix Keypad	0.00	557	369	308	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	1623	1535	95%	1.7Easy	en
Ordinary Ordinals	0.00	49	242	187	77%	4.8Medium	en
Paper Snowflakes	0.02	530	126	97	77%	5.9Hard	en
Pawn Shop	0.03	119	329	275	84%	3.5Medium	en
Pegs and Legs	0.01	416	147	127	86%	3.7Medium	en
Pencil Crayons	0.00	40	720	676	94%	1.5Easy	en
Perfect Path Patrol	0.04	162	226	183	81%	6.0Hard	en
Piece of Cake!	0.00	48	8856	8455	95%	1.4Easy	en
Power String Matching	0.00	468	68	53	78%	5.5Hard	en
Quadratic Dissonance	0.00	110	155	129	83%	3.8Medium	en
RSA Mistake	0.00	222	307	246	80%	4.2Medium	en
Ray Chasing	0.00	440	180	147	82%	4.1Medium	en
Rectangle Tiling	0.00	272	112	80	71%	5.8Hard	en
Seven Up	0.00	409	53	45	85%	3.7Medium	en
Shopping Bags	0.00	238	97	53	55%	7.4Hard	en
Simone	0.00	76	619	573	93%	1.9Easy	en
Small Schedule	0.00	59	901	784	87%	4.8Medium	en
Snowball Fight	0.00	551	86	65	76%	6.0Hard	en
Social Distancing	0.00	60	880	790	90%	2.2Easy	en
Square Peg	0.00	43	1377	1300	94%	1.5Easy	en
Stack Construction	0.04	373	270	153	57%	7.0Hard	en
Stopwatch	0.00	47	6192	5904	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	47	35	74%	8.1Hard	en
The Biggest Triangle	0.00	742	310	251	81%	4.4Medium	en
The King's Guards	0.02	2541	24	12	50%	8.2Hard	en
Thwack!	0.01	319	53	37	70%	6.9Hard	en
Trade Routes	0.17	628	108	81	75%	5.2Medium	en
Treasure Spotting	0.01	1114	152	113	74%	6.0Hard	en
Triangle Containment	0.05	385	212	132	62%	6.5Hard	en
Trimming Convex Polygons	0.00	813	86	56	65%	7.7Hard	en
Trip Odometer	0.00	71	515	460	89%	2.1Easy	en
Typo	0.07	597	646	420	65%	6.2Hard	en
Underspecified Ultrametrics	0.14	622	17	14	82%	6.4Hard	en
Wormhole Extreme!!!	0.00	342	87	69	79%	4.0Medium	en