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Problem Category Points ▾ AC % Users
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 66.7% 4
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 47.9% 64
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 54.8% 364
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 33.4% 125
HHPC1 P1 - Yielding the Longest Substring Uncategorized 5 22.9% 213
OTHS Coding Competition 1 (Mock CCC) J3 - Explosion Uncategorized 5p 35.7% 248
Mock CCC '24 Contest 1 J3 - RGB Words Mock CCC 5p 13.3% 187
UHCC1 P3 - Busy Elevator Uncategorized 5 10.3% 55
UHCC1 P2 - String Uncategorized 5 46.2% 106
The Contest Contest 1 P1 - A Typical Codeforces Problem Uncategorized 5 23.6% 314
COCI '23 Contest 3 #1 Eurokod COCI 5p 60.0% 39
COCI '23 Contest 4 #1 Bingo COCI 5p 67.0% 65
CCC '24 S2 - Heavy-Light Composition CCC 5p 54.6% 439
CCC '24 J3 - Bronze Count CCC 5p 47.2% 475
CCC '24 J4 - Troublesome Keys CCC 5p 22.0% 303
Guessing Game Uncategorized 5p 37.8% 9
COCI '23 Contest 5 #1 Zlagalica COCI 5p 53.2% 28
Capture The Flag Uncategorized 5 29.7% 71
A Plus B Uncategorized 3p 48.7% 8036
Hello, World! Uncategorized 3 56.1% 12227
CCC '14 J1 - Triangle Times CCC 3 32.9% 7480
CCC '14 J2 - Vote Count CCC 3 44.5% 5371
CCC '14 J3 - Double Dice CCC 3 56.3% 4487
List Minimum Uncategorized 3 49.8% 3285
CCC '09 J1 - ISBN CCC 3 47.3% 3691
CCC '13 J1 - Next in line CCC 3 62.3% 12071
CCC '13 J2 - Rotating letters CCC 3 45.0% 4837
CCC '12 J1 - Speed fines are not fine! CCC 3 30.8% 5786
CCC '12 J2 - Sounds fishy! CCC 3 33.8% 4588
CCC '12 J3 - Icon Scaling CCC 3 51.3% 2881
CCC '12 J4 - Big Bang Secrets CCC 3 59.3% 2403
Boolean Uncategorized 3 50.4% 2352
Infinity Uncategorized 3 35.6% 547
Unique Elements Classics 3p 51.4% 1384
Pulse Uncategorized 3 38.3% 378
Guess the Sequence Uncategorized 3p 5.9% 187