Problems by Zachary Friggstad

Languages
All Colourings0.10887742432%5.8Harden
Antimatter Rain0.17139329213346%7.6Harden
Balls and Bins0.012731377253%4.7Mediumen
Braaaains0.036331223730%7.9Harden
Bumper-To-Bumper Traffic0.01461140642630%4.2Mediumen
Bundles of Joy0.0054557217430%6.5Harden
Central String0.034411582214%8.4Harden
Clumsy Cardinals0.043691205243%3.5Mediumen
Color Tubes0.008973299027%6.3Harden
Cubic Cycle0.019091222420%8.2Harden
Decisions, Decisions0.0012650727855%3.0Mediumen
Delivering Goods0.02113774319226%6.5Harden
Finding An A0.00912457700656%1.3Easyen
Flipping Cards0.03661146442529%6.7Harden
Flow Shop0.012012138121457%2.4Easyen
Folding a Cube0.0075659517730%5.5Harden
Frosh Week0.01692539134053%2.2Easyen
GCVWR0.00275330299056%1.4Easyen
Greedy Increasing Subsequences0.0518620810751%5.0Mediumen
H-Index0.01585912160327%3.1Mediumen
Hired Help0.0134150611423%5.7Harden
Hissing Microphone0.0013301231615454%1.4Easyen
I've Been Everywhere, Man0.0034230841435362%1.4Easyen
Interview Queue0.0274573521830%7.2Harden
Lefties vs. Righties0.002172037939%6.2Harden
Loot Chest0.001091628049%3.6Mediumen
Matrix Keypad0.0055761030450%3.3Mediumen
Maximal Sequences0.02730108130528%6.6Harden
Monitoring Ski Paths0.0257378920826%7.1Harden
Musical Scales0.001222419151263%1.8Easyen
Ordinary Ordinals0.005044213531%4.3Mediumen
Paper Snowflakes0.035792528735%6.1Harden
Pawn Shop0.0311972330943%3.4Mediumen
Pegs and Legs0.044231748046%4.2Mediumen
Perfect Path Patrol0.0426647421245%6.0Harden
Piece of Cake!0.005112769786562%1.4Easyen
Quadratic Dissonance0.0011021912658%3.0Mediumen
RSA Mistake0.0022255820336%4.0Mediumen
Shopping Bags0.005201994422%7.8Harden
Simone0.007683146055%1.9Easyen
Small Schedule0.0059211968532%3.3Mediumen
Snowball Fight0.005511455337%5.9Harden
Social Distancing0.0060139765647%2.3Easyen
Square Peg0.0045167194657%1.6Easyen
Stack Construction0.0437450214028%7.5Harden
Stopwatch0.00549343534657%1.6Easyen
Supply Routes0.347541606541%4.3Mediumen
Swapping Places0.0211511533724%7.0Harden
Team Change0.0016181324836%6.1Harden
The Biggest Triangle0.0081780025432%4.6Mediumen
The King's Guards0.02254183911%8.7Harden
Trade Routes0.176702907626%6.0Harden
Treasure Spotting0.01111494015216%5.8Harden
Triangle Containment0.0587843311226%6.6Harden
Trimming Convex Polygons0.008132545722%7.4Harden
Trip Odometer0.017173832945%2.3Easyen
Typo0.07661304571123%6.6Harden
Wormhole Extreme!!!0.005161895730%5.8Harden