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Problem Category Points AC % Users
Facebook Hacker Cup '15 Round 1 P3 - Winning at Sports FHC 12 49.3% 197
Facebook Hacker Cup '15 Round 1 P4 - Corporate Gifting FHC 17 46.2% 89
Facebook Hacker Cup '15 Round 2 P1 - Lazy Sort FHC 10 31.9% 282
Facebook Hacker Cup '15 Round 2 P2 - All Critical FHC 15 55.2% 42
Facebook Hacker Cup '15 Round 3 P1 - Boomerang FHC 12p 24.9% 25
Facebook Hacker Cup '15 Round 3 P2 - Lunch Scheduling FHC 15p 14.6% 7
Facebook Hacker Cup '17 Qualifying Round P3 - Fighting the Zombie FHC 10p 19.7% 30
Facebook Hacker Cup '19 Final Round P1 - Strings as a Service FHC 15p 31.3% 5
Fibonacci Sequence Uncategorized 15p 13.1% 829
Fibonacci Sequence (Harder) Uncategorized 17 19.0% 313
Fixing Shirts Uncategorized 15 19.4% 27
A Floyd-Warshall Problem Uncategorized 15 0.6% 2
Foxlings Uncategorized 10p 14.4% 81
The Fox and the Wolf Uncategorized 15p 6.6% 7
Imperative French Uncategorized 15 6.4% 22
PEG Test '11 - Cyclopian Puzzle Uncategorized 10 54.1% 362
The Game of Nim Uncategorized 12p 29.8% 33
GCC '16 P1 - Watching Anime Uncategorized 10p 16.1% 68
GCC '16 P2 - Classified Documents Uncategorized 15p 10.9% 4
Google Code Jam '09 Round 1A Problem A - Multi-base happiness Google Code Jam 12p 40.0% 3
Google Code Jam '09 Round 1A Problem B - Crossing the Road Google Code Jam 15p 11.1% 1
Google Code Jam '09 Round 1A Problem C - Collecting Cards Google Code Jam 10p 57.1% 4
Google Code Jam '10 Qualification Round Problem C - Theme Park Google Code Jam 10p 38.5% 4
Google Code Jam '10 Round 1A Problem B - Make it Smooth Google Code Jam 10p 28.6% 4
Google Code Jam '11 Qualification Round Problem D - GoroSort Google Code Jam 15p 55.6% 3
Google Code Jam '11 Round 1A Problem B - The Killer Word Google Code Jam 12p 18.2% 2
Google Code Jam '11 Round 1A Problem C - Pseudominion Google Code Jam 17p 0.0% 0
Google Code Jam '12 Qualification Round Problem D - Hall of Mirrors Google Code Jam 15p 33.3% 1
Google Code Jam '13 Qualification Round Problem D - Fair and Square Google Code Jam 12p 20.0% 2
Google Code Jam '14 Qualification Round Problem C - Deceitful War Google Code Jam 10p 40.0% 2
Google Code Jam '14 Round 1A Problem B - Full Binary Tree Google Code Jam 10p 42.9% 4
Google Code Jam '15 Qualification Round Problem C - Dijkstra Google Code Jam 12p 33.3% 1
Google Code Jam '15 Qualification Round Problem D - Ominous Omino Google Code Jam 12p 14.3% 3
Google Code Jam '15 Round 1A Problem C - Logging Google Code Jam 17p 40.0% 2
Google Code Jam '16 Round 1A Problem C - BFFs Google Code Jam 10p 50.0% 3
Google Code Jam '17 Qualification Round Problem C - Bathroom Stalls Google Code Jam 10p 17.7% 7
Google Code Jam '17 Round 1A Problem B - Ratatouille Google Code Jam 12 71.4% 4
Google Code Jam '18 Round 1A Problem A - Waffle Choppers Google Code Jam 10p 62.5% 5
Google Code Jam '18 Round 1A Problem B - Bit Party Google Code Jam 10p 24.1% 5
Google Code Jam '18 Round 1A Problem C - Edgy Baking Google Code Jam 17p 27.3% 3
Google Code Jam '19 Qualification Round Problem C - Cryptopangrams Google Code Jam 10p 15.7% 5
Google Code Jam '19 Round 1A Problem C - Alien Rhyme Google Code Jam 12p 66.7% 4
Google Code Jam '20 Round 1A Problem C - Square Dance Google Code Jam 10p 35.3% 5
Google Code Jam '21 Qualification Round Problem E - Cheating Detection Google Code Jam 15p 15.0% 3
Google Code Jam '21 Round 1A Problem B - Prime Time Google Code Jam 17p 23.7% 7
Google Code Jam '22 Qualification Round Problem D - Chain Reactions Google Code Jam 12p 31.1% 9
Google Code Jam '22 Round 1B Problem B - Controlled Inflation Google Code Jam 10p 70.0% 5
Google Code Jam '22 Round 1C Problem A - Letter Blocks Google Code Jam 10p 20.8% 5
Google Code Jam '22 Round 1C Problem B - Squary Google Code Jam 10p 25.0% 6
Google Code Jam '22 Round 2 Problem A - Spiraling Into Control Google Code Jam 12p 50.0% 7