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	124	51	41%	7.9Hard	en
Antimatter Rain	0.17	1393	128	79	62%	7.2Hard	en
Attendance	0.00	61	817	748	92%	1.8Easy	en
Balls and Bins	0.01	273	91	71	78%	5.3Medium	en
Big And	0.08	130	181	141	78%	4.9Medium	en
Birthday Candles	0.00	138	190	164	86%	2.8Medium	en
Bombardment	0.12	230	156	114	73%	4.3Medium	en
Braaaains	0.03	435	65	43	66%	6.3Hard	en
Buildin' Roads	0.12	969	25	19	76%	5.6Hard	en
Bumper-To-Bumper Traffic	0.01	195	453	371	82%	3.9Medium	en
Bundles of Joy	0.00	545	242	174	72%	6.3Hard	en
Candy Store	0.00	91	967	912	94%	1.5Easy	en
Central String	0.03	441	43	22	51%	7.0Hard	en
Clumsy Cardinals	0.04	369	73	57	78%	5.4Medium	en
Color Tubes	0.00	897	112	81	72%	6.7Hard	en
Cubic Cycle	0.01	737	53	29	55%	7.6Hard	en
Decisions, Decisions	0.00	126	302	270	89%	2.9Medium	en
Delivering Goods	0.02	1137	200	148	74%	5.9Hard	en
Dinner Time	0.00	162	141	116	82%	3.8Medium	en
Finding An A	0.00	6	9455	9069	96%	1.3Easy	en
Flipping Cards	0.02	220	509	350	69%	6.3Hard	en
Flow Shop	0.01	150	1404	1287	92%	2.1Easy	en
Folding a Cube	0.00	323	269	187	70%	6.0Hard	en
Frosh Week	0.01	69	1789	1656	93%	1.9Easy	en
GCVWR	0.00	27	3841	3713	97%	1.4Easy	en
Greedy Increasing Subsequences	0.03	186	120	95	79%	5.7Hard	en
H-Index	0.00	56	2182	1805	83%	2.4Easy	en
Handheld Fan	0.00	88	123	117	95%	2.4Easy	en
Hired Help	0.01	341	178	124	70%	5.7Hard	en
Hissing Microphone	0.00	23	18618	17891	96%	1.3Easy	en
Hockey Fans	0.03	298	70	55	79%	4.5Medium	en
I've Been Everywhere, Man	0.00	34	15145	14508	96%	1.5Easy	en
Interview Queue	0.02	745	362	203	56%	7.7Hard	en
Island Exploration	0.00	275	102	94	92%	2.9Medium	en
Keys, Phone, Wallet	0.00	54	1992	1910	96%	1.4Easy	en
Lefties vs. Righties	0.00	217	110	82	75%	5.6Hard	en
Lines of X	0.00	675	70	53	76%	5.0Medium	en
Loot Chest	0.00	109	115	98	85%	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	256	168	66%	6.7Hard	en
Musical Scales	0.00	122	1612	1524	95%	1.7Easy	en
Ordinary Ordinals	0.00	49	243	188	77%	4.8Medium	en
Paper Snowflakes	0.02	530	120	91	76%	5.9Hard	en
Pawn Shop	0.03	119	321	269	84%	3.5Medium	en
Pegs and Legs	0.01	416	142	122	86%	3.8Medium	en
Pencil Crayons	0.00	40	708	665	94%	1.5Easy	en
Perfect Path Patrol	0.04	162	210	172	82%	5.8Hard	en
Piece of Cake!	0.00	48	8795	8396	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	301	240	80%	4.2Medium	en
Ray Chasing	0.00	440	156	122	78%	3.7Medium	en
Rectangle Tiling	0.00	272	102	72	71%	6.2Hard	en
Seven Up	0.00	409	51	42	82%	4.6Medium	en
Shopping Bags	0.00	238	95	53	56%	7.3Hard	en
Simone	0.00	76	616	571	93%	1.9Easy	en
Small Schedule	0.00	59	894	779	87%	4.9Medium	en
Snowball Fight	0.00	551	79	57	72%	6.2Hard	en
Social Distancing	0.00	60	856	767	90%	2.2Easy	en
Square Peg	0.00	43	1344	1270	94%	1.5Easy	en
Stack Construction	0.04	373	270	153	57%	7.0Hard	en
Stopwatch	0.00	47	6129	5846	95%	1.4Easy	en
Supply Routes	0.15	261	173	150	87%	3.9Medium	en
Swapping Places	0.02	1151	46	36	78%	6.2Hard	en
Team Change	0.00	1559	45	35	78%	6.7Hard	en
The Biggest Triangle	0.00	742	301	242	80%	4.5Medium	en
The King's Guards	0.02	2541	23	10	43%	8.6Hard	en
Thwack!	0.01	319	54	37	69%	7.2Hard	en
Trade Routes	0.17	628	104	78	75%	5.1Medium	en
Treasure Spotting	0.01	1114	151	113	75%	6.0Hard	en
Triangle Containment	0.05	385	202	123	61%	6.5Hard	en
Trimming Convex Polygons	0.00	813	87	57	66%	7.4Hard	en
Trip Odometer	0.00	71	511	457	89%	2.1Easy	en
Typo	0.07	597	625	405	65%	6.4Hard	en
Underspecified Ultrametrics	0.14	622	17	14	82%	6.0Hard	en
Wormhole Extreme!!!	0.00	342	87	69	79%	4.1Medium	en