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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 62.3% 81
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude! Uncategorized 5p 12.6% 41
Amplitude Hackathon '23 Practice Problem 3 - Demo Day Demos Uncategorized 5p 27.4% 48
Amplitude Hackathon '23 Practice Problem 4 - Gigatron Autoscaling Uncategorized 3p 53.4% 57
Amplitude Hackathon '23 Practice Problem 5 - What is Spenser's Last Name? Uncategorized 0p 36.0% 37
Amplitude Hackathon Summer '24 Problem 1 - Is Jeffrey in the Office? Uncategorized 3p 61.7% 120
Amplitude Hackathon Summer '24 Problem 2 - Feature Requests Uncategorized 3p 33.2% 55
Amplitude Hackathon Summer '24 Problem 3 - Mike's Unlocked Laptop Uncategorized 5p 16.1% 35
Amplitude Hackathon Summer '24 Problem 4 - Spenser's Big Announcement Uncategorized 5p 18.4% 26
Amplitude Hackathon Summer '24 Problem 5 - Lunch Costs Uncategorized 5p 24.3% 22
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 27.4% 50
Amplitude Hackathon Winter '24 Problem 1 - Twila's Walk Uncategorized 3p 72.2% 87
Amplitude Hackathon Winter '24 Problem 2 - Fog Machine Uncategorized 3p 41.1% 48
Amplitude Hackathon Winter '24 Problem 3 - Killer Queen Uncategorized 5p 45.8% 19
Amplitude Hackathon Winter '24 Problem 4 - Dance Dance Revolution Uncategorized 5p 59.6% 31
Amplitude Hackathon Winter '24 Problem 5 - WhenTaken (Year) Uncategorized 5p 55.9% 18
Amplitude Hackathon Winter '24 Problem 6 - WhenTaken (Location) Uncategorized 10p 39.0% 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 49.2% 56
Amplitude Hackathon Summer '25 Problem 2 - AI (Also Easy) Uncategorized 3p 50.5% 46
Amplitude Hackathon Summer '25 Problem 3 - Jenny the Beli Influencer Uncategorized 5p 45.6% 32
Amplitude Hackathon Summer '25 Problem 4 - Regina the Social Media Manager Uncategorized 7p 28.8% 20
Amplitude Hackathon Summer '25 Problem 5 - Nico the Skydiver Uncategorized 7p 27.6% 10
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 32.2% 45
A New Country Uncategorized 25p 19.0% 20
Angie and Functions Uncategorized 20p 24.5% 16
A Noisy Class Uncategorized 7 30.1% 824
Another Sorting Uncategorized 5p 36.5% 478
APIO '07 P1 - Mobiles APIO 12p 29.8% 82
APIO '07 P2 - Backup APIO 25p 16.2% 93
APIO '07 P3 - Zoo APIO 20p 31.0% 65
APIO '08 P2 - Roads APIO 20p 16.4% 96
APIO '08 P3 - DNA APIO 15p 32.8% 45
APIO '09 P1 - Digging for Oil APIO 20p 17.3% 182
APIO '09 P2 - The Siruseri Convention Centre APIO 25p 19.1% 78
APIO '09 P3 - The Great ATM Robbery APIO 20p 6.8% 144
APIO '10 P1 - Commando APIO 20p 25.4% 747
APIO '10 P2 - Patrol APIO 20p 17.1% 281
APIO '10 P3 - Signaling APIO 25p 19.1% 53
APIO '11 P1 - Table Coloring APIO 25p 23.2% 142
APIO '11 P2 - Find the Path APIO 20p 19.2% 58
APIO '11 P3 - Guess My Word! APIO 30p 22.0% 8