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Problem Category Points ▾ AC % Users
Mock CCC '14 S1 - Reverse Find Mock CCC 5 28.2% 227
Mock CCC '14 J3 - Clock Hands Mock CCC 5 17.2% 107
COCI '09 Contest 5 #2 Cudoviste COCI 5 58.1% 111
COCI '10 Contest 1 #2 Profesor COCI 5p 38.1% 74
WC '15 Finals J2 - The Oxford Comma Woburn Challenge 5 18.0% 46
WC '97 P4 - Typing Woburn Challenge 5 30.5% 249
WC '15 Contest 1 J3 - Jazz Concert Woburn Challenge 5 51.1% 216
WC '99 P3 - The Godfather Woburn Challenge 5 28.9% 51
WC '18 Finals J1 - Conditional Contracts Woburn Challenge 5p 39.5% 169
WC '96 P6 - Bases Multiplication Woburn Challenge 5 40.9% 225
WC '17 Contest 2 S1 - Keeping Score Woburn Challenge 5p 33.3% 51
WC '17 Contest 3 J3 - Uncrackable Woburn Challenge 5 28.9% 2393
WC '18 Contest 4 J3 - Inventory Woburn Challenge 5p 27.2% 32
WC '17 Contest 1 J4 - Canuck Detection Woburn Challenge 5p 37.2% 120
WC '17 Contest 3 J2 - Certified Fresh Woburn Challenge 5 49.4% 80
WC '16 Finals J2 - Enigmoo Woburn Challenge 5p 25.9% 31
WC '15 Contest 1 J2 - Grouping Recruits Woburn Challenge 5 32.5% 166
WC '01 P3 - Back to the Future Woburn Challenge 5 61.6% 182
WC '95 P5 - Factorial Power Woburn Challenge 5 27.9% 123
WC '15 Contest 2 J3 - Return of the Jedi Woburn Challenge 5 28.0% 65
WC '17 Contest 4 J4 - Efficiency Woburn Challenge 5 48.8% 68
WC '16 Contest 4 J1 - Anyone Can Be Anything Woburn Challenge 5p 65.1% 85
WC '98 P6 - Return of the Plachta Woburn Challenge 5 23.6% 146
WC '15 Contest 3 J2 - Electroshock Therapy Woburn Challenge 5 52.9% 88
WC '96 P3 - Hidden Geography Woburn Challenge 5 32.0% 121
WC '16 Finals J1 - Fencing Woburn Challenge 5p 59.6% 49
WC '02 P5 - Intercepted Cowmmunication Woburn Challenge 5 35.5% 66
WC '17 Finals S1 - An Interspecific Army Woburn Challenge 5p 54.8% 207
WC '17 Contest 1 S1 - On the Rocks Woburn Challenge 5p 32.5% 88
WC '99 P4 - Goldfinger Woburn Challenge 5 33.7% 98
WC '18 Contest 3 J2 - Net Weight Woburn Challenge 5p 45.9% 257
WC '96 P1 - Fishes in a Tank Woburn Challenge 5 24.7% 39
WC '01 P6 - Mission Impossible 3 Woburn Challenge 5p 17.7% 87
WC '02 P4 - It's Party Time Woburn Challenge 5 22.1% 80
WC '16 Contest 1 J2 - Frankenstein's Monster Woburn Challenge 5 8.7% 75
WC '17 Finals J1 - Cownterintelligence Woburn Challenge 5p 43.3% 57
WC '99 P5 - Good Will Hunting Woburn Challenge 5 16.8% 86
WC '18 Finals J2 - Script Doctor Woburn Challenge 5p 29.1% 54
WC '02 P1 - A Planning Session Woburn Challenge 5 16.7% 62
DMOJ Capture The Flag '20 G3 - Git Gud CTF 5 24.2% 45
DMOJ Capture The Flag '20 F2 - Queries & Strings CTF 5 66.3% 50
DMOJ Capture The Flag '20 C2 - Small RSA CTF 5 35.9% 98
DMOJ Capture The Flag '20 R1 - Classic Java CTF 5 69.2% 25
DMOJ Capture The Flag '20 B1 - Super Secure Pseudorandom Number Generator CTF 5 16.9% 49
World Tour Contest Problem 2 — Fireplace Poker Seasonal 5 1.1% 7
Necroposting Uncategorized 5 51.5% 41
DWITE '02 R2 #5 - Now I know my ABCs DWITE 5 38.9% 132
WCIPEG 2018 ECOO Qualifier P2 - EECOOOO ECOO 5 31.8% 81
Rock Climbing Uncategorized 5 22.5% 190
Brap Lesh Mafia Uncategorized 5 33.6% 346