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Problem Category Points AC % ▾ Users
DMOPC '20 Contest 4 P2 - Beautiful Grids DMOPC 7p 17.3% 153
CCO '09 P5 - Parade CCO 17p 17.3% 43
Python Infinite Loop Uncategorized 7p 17.3% 1874
IOI '17 P3 - Toy Train IOI 30p 17.3% 40
Another Contest 3 Problem 1 - Diverse Arrays ACC 7 17.2% 335
ECOO '15 R2 P2 - So So ECOO 12p 17.2% 10
DMPG '18 B3 - Shimpossible DMOPC 7p 17.2% 63
Mock CCC '14 J3 - Clock Hands Mock CCC 5 17.2% 107
Mock CCO '17 Problem 4 - Guards Mock CCO 15p 17.2% 52
Wesley's Anger Contest 5 Problem 4 - Prison Escape WAC 17p 17.2% 44
Baltic OI '07 P1 - Escape Baltic OI 20p 17.2% 39
ACM U of T Tryouts C3 F - A Pleasant Stroll ICPC 15 17.2% 29
COCI '17 Contest 6 #3 Mate COCI 12p 17.2% 18
WC '17 Contest 3 S2 - GleamingProudChickenFunRun Woburn Challenge 12p 17.1% 51
CCO '19 P3 - Winter Driving CCO 30p 17.1% 65
Mock CCC '23 Contest 1 J4 - String Decryption Mock CCC 5p 17.1% 165
JOI '22 Open P1 - Seesaw JOI 17p 17.1% 6
Lil' Jami Uncategorized 5p 17.1% 194
VM7WC '16 #6 Silver - Diana Socializes VM7WC 7 17.1% 59
BPC 1 S1 - Homework Questions Uncategorized 5 17.1% 157
Cheerio Contest 1 S4 - Mystery Boxes Uncategorized 10p 17.1% 40
Mock CCC '19 Contest 1 J5 - Pusheen Designs a Sushi Boat Mock CCC 7p 17.1% 235
COI '20 #2 Cigle COCI 20p 17.1% 20
T-800's Escape Uncategorized 10 17.1% 33
EGOI '23 P3 - Find the Box EGOI 17p 17.1% 17
UTS Open '15 #2 - Secret Code Uncategorized 10p 17.1% 26
TLE '16 Contest 6 (Mock CCC) S3 - Hyper Fax TLE 15p 17.1% 152
APIO '09 P1 - Digging for Oil APIO 20p 17.1% 134
CCO '01 P2 - Coke or Chocolate Milk CCO 12 17.1% 11
Prime Street Uncategorized 10 17.1% 31
DMOPC '13 Contest 1 P5 - Math on Titan DMOPC 15p 17.0% 40
TLE '16 Contest 7 P1 - Math Helper TLE 5p 17.0% 38
CTU Open Contest 2017 - Shooting Gallery ICPC 10 17.0% 10
Another Contest 5 Problem 5 - Another Cheese Problem ACC 12 17.0% 63
Magic Maze Uncategorized 17p 17.0% 22
TLE '16 Contest 3 P5 - LAN Party TLE 15p 17.0% 46
TLE '15 P4 - Olympiads Homework TLE 12p 17.0% 120
DMPG '15 S4 - Signal Hill DMOPC 10 17.0% 176
The Torture Chamber Uncategorized 15 17.0% 239
Google Kickstart '17 Round C Problem B - X Squared Google Kick Start 7p 17.0% 47
Boxlings Uncategorized 15p 17.0% 43
THICC '17 P1 - Carol's Carnivorous Plants Uncategorized 5p 17.0% 126
HCI '16 - Ulam Spiral Uncategorized 5p 17.0% 34
Bank Notes Uncategorized 7 17.0% 143
ACM U of T Tryouts C2 F - Light Cyclin' ICPC 20 16.9% 68
DMOPC '18 Contest 6 P2 - Enantiomers DMOPC 7 16.9% 55
DMOJ Capture The Flag '20 B1 - Super Secure Pseudorandom Number Generator CTF 5 16.9% 49
Summer Institute '17 Contest 1 P1 - Ant Clans SIUCF 20p 16.9% 30
TLE '17 Contest 6 P1 - Molecules TLE 3p 16.9% 116
TLE '16 Contest 2 P2 - Packing Microwaves TLE 5p 16.9% 104