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Problem Category Points AC % ▴ Users
NOIP '22 P3 - Facility Construction China NOI 17p 17.6% 14
NOIP '22 P4 - Contest China NOI 25p 10.4% 7
Mock CCC '23 2 S1 - Composite Fibonacci Numbers Mock CCC 3p 23.1% 281
Mock CCC '23 2 S2 - Keenan Hates Triangles Mock CCC 7p 2.3% 38
Mock CCC '23 2 S3 - Richard The Penguin Mock CCC 10p 3.9% 13
Mock CCC '23 2 S5 - The Obligatory Data Structures Problem Mock CCC 25p 11.5% 4
Mock CCC '23 2 S4 - Roger Says Yabe Mock CCC 15p 19.0% 7
EGOI '23 P8 - Guessing Game EGOI 50p 4.0% 7
Waterloo 2023 Winter B - Laser Trap Waterloo Local 12 22.2% 13
Waterloo 2023 Winter C - Sandpile on Clique Waterloo Local 10 31.0% 13
Waterloo 2023 Winter D - Link-Cut Tree Waterloo Local 10 69.6% 14
Waterloo 2023 Winter E - Colourful Tree Waterloo Local 25 4.5% 4
Waterloo 2023 Winter A - So I'll Max Out My Constructive Algorithm Skills Waterloo Local 5 32.9% 23
Google Code Jam '22 Qualification Round Problem E - Twisty Little Passages Google Code Jam 20p 57.1% 3
Google Code Jam '08 Qualification Round Problem B - Saving the Universe Google Code Jam 5p 71.4% 4
Google Code Jam '08 Qualification Round Problem A - Fly Swatter Google Code Jam 20p 0.0% 0
Google Code Jam '08 Qualification Round Problem C - Train Timetable Google Code Jam 7p 50.0% 4
Google Code Jam '08 Round 1A Problem A - Minimum Scalar Product Google Code Jam 5p 68.4% 11
Google Code Jam '08 Round 1A Problem B - Milkshakes Google Code Jam 7p 66.7% 2
Google Code Jam '08 Round 1A Problem C - Numbers Google Code Jam 20p 20.0% 3
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 60.0% 3
Google Code Jam '09 Qualification Round Problem C - Welcome to Code Jam Google Code Jam 7p 19.0% 4
Google Code Jam '09 Qualification Round Problem B - Watersheds Google Code Jam 5p 33.3% 4
Google Code Jam '09 Qualification Round Problem A - Alien Language Google Code Jam 5p 63.6% 5
Google Code Jam '10 Qualification Round Problem B - Snapper Chain Google Code Jam 5p 42.9% 6
Google Code Jam '10 Qualification Round Problem C - Theme Park Google Code Jam 10p 40.0% 3
Google Code Jam '10 Qualification Round Problem A - Fair Warning Google Code Jam 7p 40.0% 2
Google Code Jam '10 Round 1A Problem A - Rotate Google Code Jam 7 50.0% 5
Google Code Jam '10 Round 1A Problem B - Make it Smooth Google Code Jam 10p 15.0% 3
Google Code Jam '10 Round 1A Problem C - Number Game Google Code Jam 20p 75.0% 3
Google Code Jam '11 Qualification Round Problem A - Bot Trust Google Code Jam 5 57.1% 3
Google Code Jam '11 Qualification Round Problem C - Magicka Google Code Jam 5p 42.9% 3
Google Code Jam '11 Qualification Round Problem B - Candy Splitting Google Code Jam 7p 57.1% 4
Google Code Jam '11 Qualification Round Problem D - GoroSort Google Code Jam 15p 33.3% 2
Google Code Jam '11 Round 1A Problem A - FreeCell Statistics Google Code Jam 5p 44.4% 3
Google Code Jam '11 Round 1A Problem B - The Killer Word Google Code Jam 12p 22.2% 2
Google Code Jam '11 Round 1A Problem C - Pseudominion Google Code Jam 17p 0.0% 0
Google Code Jam '12 Qualification Round Problem A - Speaking in Tongues Google Code Jam 3p 36.8% 10
Google Code Jam '12 Qualification Round Problem B - Dancing With the Googlers Google Code Jam 5p 30.8% 3
Google Code Jam '12 Qualification Round Problem C - Recycled Numbers Google Code Jam 5p 40.0% 2
Google Code Jam '12 Qualification Round Problem D - Hall of Mirrors Google Code Jam 15p 33.3% 1
Google Code Jam '12 Round 1A Problem A - Password Problem Google Code Jam 5p 71.4% 2
Google Code Jam '12 Round 1A Problem B - Kingdom Rush Google Code Jam 7p 22.2% 2
Google Code Jam '12 Round 1A Problem C - Cruise Control Google Code Jam 30p 0.0% 0
Google Code Jam '13 Round 1A Problem A - Bullseye Google Code Jam 7p 16.7% 4
Google Code Jam '13 Round 1A Problem B - Manage your Energy Google Code Jam 7p 11.1% 2
Google Code Jam '13 Qualification Round Problem A - Tic-Tac-Toe-Tomek Google Code Jam 7p 72.7% 6
Google Code Jam '13 Qualification Round Problem B - Lawnmower Google Code Jam 7p 50.0% 2