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Problem Category Points AC % Users
Amplitude Hackathon '23 Problem 4 - Frequency Queries Uncategorized 7p 19.0% 33
Amplitude Hackathon '23 Problem 5 - Partition Assignment Uncategorized 7p 22.2% 20
Amplitude Hackathon '23 Problem 6 - Journeys Uncategorized 10p 32.9% 15
Amplitude Hackathon '23 Practice Problem 1 - Gigatron EPS Modulo 998244353 Uncategorized 3p 61.8% 76
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude! Uncategorized 5p 12.0% 37
Amplitude Hackathon '23 Practice Problem 3 - Demo Day Demos Uncategorized 5p 26.9% 46
Amplitude Hackathon '23 Practice Problem 4 - Gigatron Autoscaling Uncategorized 3p 54.9% 53
Amplitude Hackathon '23 Practice Problem 5 - What is Spenser's Last Name? Uncategorized 0p 36.6% 37
Amplitude Hackathon Summer '24 Problem 1 - Is Jeffrey in the Office? Uncategorized 3p 62.3% 114
Amplitude Hackathon Summer '24 Problem 2 - Feature Requests Uncategorized 3p 33.7% 52
Amplitude Hackathon Summer '24 Problem 3 - Mike's Unlocked Laptop Uncategorized 5p 15.8% 34
Amplitude Hackathon Summer '24 Problem 4 - Spenser's Big Announcement Uncategorized 5p 18.0% 25
Amplitude Hackathon Summer '24 Problem 5 - Lunch Costs Uncategorized 5p 23.9% 21
Amplitude Hackathon Summer '24 Problem 6 - Kurt's Coffee Cabal Uncategorized 7p 20.0% 15
Amplitude Hackathon Summer '24 Practice Problem 1 - Jeffrey's Favorite Integer Uncategorized 3p 26.7% 46
Amplitude Hackathon Winter '24 Problem 1 - Twila's Walk Uncategorized 3p 69.6% 76
Amplitude Hackathon Winter '24 Problem 2 - Fog Machine Uncategorized 3p 42.9% 45
Amplitude Hackathon Winter '24 Problem 3 - Killer Queen Uncategorized 5p 46.5% 17
Amplitude Hackathon Winter '24 Problem 4 - Dance Dance Revolution Uncategorized 5p 58.2% 29
Amplitude Hackathon Winter '24 Problem 5 - WhenTaken (Year) Uncategorized 5p 54.5% 17
Amplitude Hackathon Winter '24 Problem 6 - WhenTaken (Location) Uncategorized 10p 37.9% 12
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 46.6% 49
Amplitude Hackathon Summer '25 Problem 2 - AI (Also Easy) Uncategorized 3p 48.9% 42
Amplitude Hackathon Summer '25 Problem 3 - Jenny the Beli Influencer Uncategorized 5p 44.2% 30
Amplitude Hackathon Summer '25 Problem 4 - Regina the Social Media Manager Uncategorized 7p 30.8% 20
Amplitude Hackathon Summer '25 Problem 5 - Nico the Skydiver Uncategorized 7p 28.3% 11
Amplitude Hackathon Summer '25 Problem 6 - The Gang of EV Gamers Uncategorized 7p 30.0% 8
Troubling Times Uncategorized 5p 33.4% 563
And Password Uncategorized 20p 13.3% 8
Andrew Needs Help Uncategorized 12p 32.5% 46
A New Country Uncategorized 25p 19.0% 20
Angie and Functions Uncategorized 20p 24.9% 17
A Noisy Class Uncategorized 7 29.8% 801
Another Sorting Uncategorized 5p 36.4% 470
APIO '07 P1 - Mobiles APIO 12p 29.5% 81
APIO '07 P2 - Backup APIO 25p 16.8% 93
APIO '07 P3 - Zoo APIO 20p 31.3% 66
APIO '08 P2 - Roads APIO 20p 16.5% 96
APIO '08 P3 - DNA APIO 15p 33.2% 46
APIO '09 P1 - Digging for Oil APIO 20p 17.3% 181
APIO '09 P2 - The Siruseri Convention Centre APIO 25p 19.1% 78
APIO '09 P3 - The Great ATM Robbery APIO 20p 6.7% 141
APIO '10 P1 - Commando APIO 20p 25.3% 733
APIO '10 P2 - Patrol APIO 20p 17.1% 277
APIO '10 P3 - Signaling APIO 25p 19.3% 54
APIO '11 P1 - Table Coloring APIO 25p 23.4% 142
APIO '11 P2 - Find the Path APIO 20p 19.4% 59
APIO '11 P3 - Guess My Word! APIO 30p 22.9% 8