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Problem Category Points AC % Users
Sum of Primes 2 Uncategorized 5p 20.6% 406
A Long Problem Uncategorized 0p 56.8% 50
Alphabet Score Uncategorized 3p 49.9% 358
Adaptive Mechanized Calcium Chlorohypochlorite Uncategorized 25 25.7% 21
Amplitude Hackathon '23 Problem 1 - Company Values Uncategorized 0p 23.1% 51
Amplitude Hackathon '23 Problem 2 - Gigatron Lag Uncategorized 3p 32.9% 55
Amplitude Hackathon '23 Problem 3 - Dedupe Uncategorized 5p 49.2% 91
Amplitude Hackathon '23 Problem 4 - Frequency Queries Uncategorized 7p 23.4% 52
Amplitude Hackathon '23 Problem 5 - Partition Assignment Uncategorized 7p 26.2% 26
Amplitude Hackathon '23 Problem 6 - Journeys Uncategorized 10p 33.7% 16
Amplitude Hackathon '23 Practice Problem 1 - Gigatron EPS Modulo 998244353 Uncategorized 3p 64.6% 91
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude! Uncategorized 5p 13.3% 47
Amplitude Hackathon '23 Practice Problem 3 - Demo Day Demos Uncategorized 5p 33.5% 85
Amplitude Hackathon '23 Practice Problem 4 - Gigatron Autoscaling Uncategorized 3p 55.9% 62
Amplitude Hackathon '23 Practice Problem 5 - What is Spenser's Last Name? Uncategorized 0p 39.2% 44
Amplitude Hackathon Summer '24 Problem 1 - Is Jeffrey in the Office? Uncategorized 3p 60.9% 132
Amplitude Hackathon Summer '24 Problem 2 - Feature Requests Uncategorized 3p 33.9% 58
Amplitude Hackathon Summer '24 Problem 3 - Mike's Unlocked Laptop Uncategorized 5p 20.5% 54
Amplitude Hackathon Summer '24 Problem 4 - Spenser's Big Announcement Uncategorized 5p 22.4% 37
Amplitude Hackathon Summer '24 Problem 5 - Lunch Costs Uncategorized 5p 24.3% 23
Amplitude Hackathon Summer '24 Problem 6 - Kurt's Coffee Cabal Uncategorized 7p 20.2% 16
Amplitude Hackathon Summer '24 Practice Problem 1 - Jeffrey's Favorite Integer Uncategorized 3p 27.9% 52
Amplitude Hackathon Winter '24 Problem 1 - Twila's Walk Uncategorized 3p 71.4% 107
Amplitude Hackathon Winter '24 Problem 2 - Fog Machine Uncategorized 3p 44.5% 52
Amplitude Hackathon Winter '24 Problem 3 - Killer Queen Uncategorized 5p 46.0% 20
Amplitude Hackathon Winter '24 Problem 4 - Dance Dance Revolution Uncategorized 5p 61.7% 34
Amplitude Hackathon Winter '24 Problem 5 - WhenTaken (Year) Uncategorized 5p 59.5% 20
Amplitude Hackathon Winter '24 Problem 6 - WhenTaken (Location) Uncategorized 10p 37.7% 13
Amplitude Hackathon Winter '24 Problem 7 - The Gang Uncategorized 10p 21.6% 6
Amplitude Hackathon Winter '24 Problem 8 - Hot Ones Uncategorized 10p 44.1% 12
Amplitude Hackathon Summer '25 Problem 1 - AI (Easy) Uncategorized 3p 50.3% 72
Amplitude Hackathon Summer '25 Problem 2 - AI (Also Easy) Uncategorized 3p 46.3% 57
Amplitude Hackathon Summer '25 Problem 3 - Jenny the Beli Influencer Uncategorized 5p 47.7% 37
Amplitude Hackathon Summer '25 Problem 4 - Regina the Social Media Manager Uncategorized 7p 29.4% 21
Amplitude Hackathon Summer '25 Problem 5 - Nico the Skydiver Uncategorized 7p 28.2% 14
Amplitude Hackathon Summer '25 Problem 6 - The Gang of EV Gamers Uncategorized 7p 32.3% 9
Amplitude Hackathon Winter '25 Problem 1 - One-Letter Variable Names Uncategorized 3p 41.1% 50
Amplitude Hackathon Winter '25 Problem 2 - Zach? Uncategorized 3p 51.3% 37
Amplitude Hackathon Winter '25 Problem 3 - Golden Honmoon Uncategorized 5p 25.3% 23
Amplitude Hackathon Winter '25 Problem 4 - Golden Glizzy Gauntlet Uncategorized 5p 8.5% 10
Amplitude Hackathon Winter '25 Problem 5 - Ask Amplitude Hallucinations Uncategorized 5p 14.3% 9
Amplitude Hackathon Winter '25 Problem 6 - 7 Uncategorized 10p 22.4% 7
Troubling Times Uncategorized 5p 33.5% 569
And Password Uncategorized 20p 13.3% 8
Andrew Needs Help Uncategorized 12p 32.2% 45
A New Country Uncategorized 25p 19.1% 21
Angie and Functions Uncategorized 20p 24.8% 18
A Noisy Class Uncategorized 7 30.3% 835
Another Sorting Uncategorized 5p 36.8% 492
APIO '07 P1 - Mobiles APIO 12p 29.4% 83