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Problem Category Points ▴ AC % Users
COCI '22 Contest 5 #1 Kalendar COCI 5p 44.3% 87
Google Code Jam '08 Qualification Round Problem B - Saving the Universe Google Code Jam 5p 71.4% 4
Google Code Jam '08 Round 1A Problem A - Minimum Scalar Product Google Code Jam 5p 68.4% 11
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 '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 Round 1A Problem A - FreeCell Statistics Google Code Jam 5p 44.4% 3
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 Round 1A Problem A - Password Problem Google Code Jam 5p 71.4% 2
Google Code Jam '14 Qualification Round Problem A - Magic Trick Google Code Jam 5p 62.5% 5
Google Code Jam '14 Qualification Round Problem B - Cookie Clicker Alpha Google Code Jam 5p 57.1% 3
Google Code Jam '15 Qualification Round Problem B - Infinite House of Pancakes Google Code Jam 5p 12.5% 2
Google Code Jam '15 Round 1A Problem A - Mushroom Monster Google Code Jam 5p 60.0% 3
Google Code Jam '16 Qualification Round Problem A - Counting Sheep Google Code Jam 5p 35.0% 5
Google Code Jam '16 Qualification Round Problem B - Revenge of the Pancakes Google Code Jam 5p 66.7% 2
Google Code Jam '16 Round 1A Problem A - The Last Word Google Code Jam 5p 66.7% 4
Google Code Jam '17 Qualification Round Problem A - Oversized Pancake Flipper Google Code Jam 5p 35.7% 5
Google Code Jam '17 Qualification Round Problem B - Tidy Numbers Google Code Jam 5p 31.6% 4
Google Code Jam '18 Qualification Round Problem A - Saving The Universe Again Google Code Jam 5p 58.3% 6
Google Code Jam '20 Qualification Round Problem B - Nesting Depth Google Code Jam 5p 50.0% 5
Google Code Jam '22 Round 1B Problem A - Pancake Deque Google Code Jam 5p 40.6% 8
Google Code Jam '22 Round 1A Problem A - Double or One Thing Google Code Jam 5p 37.0% 8
Wesley's Anger Contest Reject 5 - Two Permutations WAC 5p 18.0% 146
Waterloo 2016 Fall C - Wizard of Odds Waterloo Local 5 34.3% 9
Waterloo 2016 Fall D - Treasure Hunt Waterloo Local 5 36.8% 13
Waterloo 2013 Fall A - Compressed Words? Waterloo Local 5 44.4% 6
Waterloo 2003 Spring B - Persistent Numbers Waterloo Local 5 57.1% 4
Waterloo 2001 Fall 1 C - Babelfish Waterloo Local 5 28.9% 12
Waterloo 2005 Winter E - Traditional BINGO Waterloo Local 5 75.0% 3
UACC 1 P2 - Puzzling Parks Uncategorized 5 27.8% 207
DMOPC '22 Contest 5 P1 - Triple Triplets DMOPC 5p 23.7% 227
Geography Class Uncategorized 5p 14.1% 67
Singularity Cup P1 - Maximum Permutation Product Uncategorized 5p 15.7% 285
COCI '23 Contest 1 #1 Sudoku COCI 5p 47.6% 63
Mock CCC '24 Contest 1 J4/S1 - Magical Magnetic Marbles Mock CCC 5p 11.6% 255
Amplitude Hackathon '23 Problem 3 - Dedupe Uncategorized 5p 53.3% 38
DMOPC '23 Contest 1 P1 - Peak Grid DMOPC 5p 55.4% 361
WOSS Dual Olympiad 2023 Team Round P1: Combining Candy Canes Uncategorized 5 32.0% 47
X Diagonal Uncategorized 5p 34.0% 8
Amplitude Hackathon '23 Practice Problem 2 - Go Amplitude! Uncategorized 5p 14.3% 19
Amplitude Hackathon '23 Practice Problem 3 - Demo Day Demos Uncategorized 5p 31.2% 24
COCI '23 Contest 2 #1 Pahuljice COCI 5p 43.2% 60
WOSS Dual Olympiad 2023 J2: 3 Numbers Uncategorized 5 33.3% 124
HHPC1 P1 - Yielding the Longest Substring Uncategorized 5 23.1% 213
OTHS Coding Competition 1 (Mock CCC) J3 - Explosion Uncategorized 5p 35.7% 247
Mock CCC '24 Contest 1 J3 - RGB Words Mock CCC 5p 13.3% 187
UHCC1 P3 - Busy Elevator Uncategorized 5 10.3% 55