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Problem Category Types Points AC % Users
ECOO '13 R2 P4 - Breaking Rocks ECOO Dynamic Programming 10p 58.6% 12
ECOO '13 R3 P2 - Mutant Children ECOO Dynamic Programming 10p 37.5% 13
ECOO '13 R3 P4 - Tour de Force ECOO Dynamic Programming 12p 48.9% 78
ECOO '14 R3 P4 - Baby Talk ECOO Dynamic Programming, String Algorithms 10p 59.6% 30
ECOO '15 R1 P4 - Neanderthal Numbers ECOO Dynamic Programming 10p 34.2% 210
ECOO '16 R3 P3 - CamelCase ECOO Dynamic Programming 10p 24.9% 183
ECOO '17 R2 P4 - Zig Zag ECOO Dynamic Programming, Intermediate Math 12p 39.2% 32
ECOO '17 R3 P4 - Ice Cream Beach ECOO Ad Hoc, Dynamic Programming, Simple Math 15p 18.4% 36
ECOO '18 R3 P2 - Vegenère ECOO Dynamic Programming, String Algorithms 12p 8.3% 6
ECOO '19 R3 P2 - Array Game ECOO Dynamic Programming, Game Theory 12p 21.1% 5
ECOO '20 P4 - Ring ECOO Dynamic Programming, Simple Math 12p 17.2% 80
ECOO '21 P6 - Problematic Pathways ECOO Ad Hoc, Dynamic Programming 30p 9.2% 4
EGOI '22 P2 - Lego Wall EGOI Dynamic Programming, Intermediate Math 15p 10.2% 25
EGOI '23 P6 - Candy EGOI Dynamic Programming 12p 21.7% 58
Expected Value Uncategorized Dynamic Programming, Intermediate Math 15 24.2% 21
Facebook Hacker Cup '15 Round 1 P3 - Winning at Sports FHC Dynamic Programming 12 49.3% 197
Facebook Hacker Cup '15 Round 1 P4 - Corporate Gifting FHC Dynamic Programming 17 46.2% 89
Facebook Hacker Cup '15 Round 2 P2 - All Critical FHC Dynamic Programming, Intermediate Math 15 55.2% 42
Facebook Hacker Cup '15 Round 2 P3 - Autocomplete Strikes Back FHC Dynamic Programming, String Algorithms 20 50.0% 24
Facebook Hacker Cup '15 Round 3 P2 - Lunch Scheduling FHC Dynamic Programming 15p 14.6% 7
Facebook Hacker Cup '17 Qualifying Round P3 - Fighting the Zombie FHC Dynamic Programming 10p 19.7% 30
Facebook Hacker Cup '19 Final Round P1 - Strings as a Service FHC Ad Hoc, Dynamic Programming, Greedy Algorithms, String Algorithms 15p 31.3% 5
Facebook Hacker Cup '19 Final Round P6 - Temporal Revision FHC Data Structures, Dynamic Programming, Graph Theory 40p 43.8% 5
Google Code Jam '09 Qualification Round Problem C - Welcome to Code Jam Google Code Jam Dynamic Programming 7p 23.1% 6
Google Code Jam '09 Round 1A Problem C - Collecting Cards Google Code Jam Dynamic Programming, Intermediate Math 10p 57.1% 4
Google Code Jam '10 Round 1A Problem B - Make it Smooth Google Code Jam Dynamic Programming 10p 28.6% 4
Google Code Jam '11 Round 1A Problem C - Pseudominion Google Code Jam Dynamic Programming 17p 0.0% 0
Google Code Jam '14 Round 1A Problem B - Full Binary Tree Google Code Jam Dynamic Programming, Graph Theory 10p 42.9% 4
Google Code Jam '16 World Finals Problem A - Integeregex Google Code Jam Data Structures, Dynamic Programming, Implementation, String Algorithms 35 38.9% 5
Google Code Jam '17 Qualification Round Problem C - Bathroom Stalls Google Code Jam Data Structures, Dynamic Programming, Intermediate Math 10p 17.7% 7
Google Code Jam '18 Round 1A Problem C - Edgy Baking Google Code Jam Dynamic Programming 17p 27.3% 3
Google Code Jam '21 Qualification Round Problem B - Moons and Umbrellas Google Code Jam Dynamic Programming 7p 14.0% 6
Google Code Jam '22 Qualification Round Problem D - Chain Reactions Google Code Jam Dynamic Programming, Graph Theory, Greedy Algorithms 12p 31.1% 9
Google Code Jam '22 Round 1A Problem C - Weightlifting Google Code Jam Dynamic Programming 20p 70.0% 5
Google Code Jam '22 Round 1B Problem B - Controlled Inflation Google Code Jam Dynamic Programming, Greedy Algorithms 10p 70.0% 5
Google Code Jam '22 Round 2 Problem D - I, O Bot Google Code Jam Ad Hoc, Data Structures, Dynamic Programming 35p 25.0% 1
GFSSOC '17 J5 - Choosing Extracurriculars GFSSOC Dynamic Programming 7 30.5% 53
GFSSOC '17 S4 - First Ace GFSSOC Dynamic Programming 10 12.5% 36
GFSSOC '14 Winter S3 - Hide n Seek GFSSOC Dynamic Programming, Graph Theory 12p 25.1% 191
GFSSOC '14 Winter S5 - Stardust Snow GFSSOC Dynamic Programming 20p 12.2% 70
GFSSOC '15 Fall S5 - Raider GFSSOC Dynamic Programming, Graph Theory 17p 14.0% 141
GFSSOC '15 Winter S4 - Starry Nights GFSSOC Dynamic Programming 12p 22.3% 115
GFSSOC '15 Fall Practice P5 - Bruno and Pumpkins GFSSOC Dynamic Programming, Greedy Algorithms 7p 26.5% 182
Google Kickstart '17 Round C Problem C - Magical Thinking Google Kick Start Dynamic Programming 10p 20.0% 11
GlobeX Cup '18 S4 - Reversed Dijkstra's Uncategorized Dynamic Programming, Graph Theory 10p 11.0% 43
GlobeX Cup '19 S5 - Alien Navigation Uncategorized Advanced Math, Dynamic Programming 20p 7.4% 16
Good Sets Uncategorized Dynamic Programming, Simple Math 10p 27.6% 36
Graph Contest 1 P1 - Counting Paths Uncategorized Dynamic Programming 10 19.4% 96
Grid 3 Uncategorized Advanced Math, Dynamic Programming 20 36.8% 20
Grid 1.5 Uncategorized Dynamic Programming, Intermediate Math 10p 9.8% 45