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Problem Category Points AC % ▾ Users
DMOJ Capture The Flag '20 G2 - Where's the flag? CTF 3 27.5% 225
CCC '07 S2 - Boxes CCC 5 27.5% 1214
WC '02 P7 - Old Macdonald's Farm Woburn Challenge 10 27.5% 35
IOI '95 P2 - Shopping Offers IOI 15p 27.5% 42
Google Code Jam '21 Qualification Round Problem C - Reversort Engineering Google Code Jam 7p 27.5% 9
Valentine's Day '19 J3 - Love! Uncategorized 7p 27.5% 324
RGPC '18 P3 - Chocolate Day Uncategorized 10 27.5% 267
Mock DWITE '09 P5 - Traffic Lights Uncategorized 15p 27.5% 14
COCI '06 Regional #1 Bard COCI 7 27.4% 268
CCC '15 J5 - π-day CCC 10p 27.4% 1466
IOI '01 P1 - Mobile Phones IOI 15p 27.4% 704
CCO '22 P1 - Alternating Heights CCO 12p 27.4% 138
CCC '06 J1 - Canadian Calorie Counting CCC 3 27.4% 7226
A Simple Minus Uncategorized 10 27.4% 17
PIB '20 P4 - Ninjaclasher the Perfect Man Uncategorized 25p 27.4% 6
WC '17 Finals S2 - Cowmmunication Network Woburn Challenge 12p 27.4% 52
Baltic OI '11 P6 - Plagiarism Baltic OI 7p 27.4% 38
Baltic OI '13 P2 - Palindrome-Free Numbers Baltic OI 15p 27.4% 85
VM7WC '15 #6 Gold - Agriphilosophical Data Slaves VM7WC 7 27.4% 173
ECOO '18 R1 P1 - Willow's Wild Ride ECOO 5p 27.4% 621
COCI '09 Contest 1 #4 Mali COCI 10 27.4% 98
DMOPC '15 Contest 1 P4 - Itami and Candy DMOPC 10p 27.4% 243
Back From Summer '17 P4: Pair Programming Seasonal 12p 27.4% 50
NOI '01 P6 - Secret of the Meteorite China NOI 15p 27.4% 26
CCC '15 S4 - Convex Hull CCC 15p 27.4% 1160
Yet Another Contest 8 P2 - No More Modern Art YAC 7p 27.4% 247
Riddle Troll Uncategorized 10 27.3% 17
DMPG '17 S2 - Anime Conventions DMOPC 7p 27.3% 657
Another Contest 4 Problem 8 - DMOJ! ACC 0 27.3% 53
Lego Uncategorized 15p 27.3% 13
Monkey Bread Uncategorized 7 27.3% 24
CCC '00 S1 - Slot Machines CCC 5 27.3% 4526
TLE '17 Contest 1 P1 - String Rounding TLE 3p 27.3% 112
ICPC SWERC 2017 H - Kabobs ICPC 35 27.3% 3
COCI '11 Contest 4 #6 Kriptogram COCI 15p 27.3% 4
JOI '20 Spring Camp Day 3 P2 - Harvest JOI 35p 27.3% 5
Google Code Jam '18 Round 1A Problem C - Edgy Baking Google Code Jam 17p 27.3% 3
COCI '23 Contest 5 #4 Rolete COCI 15p 27.3% 18
OCC '19 S2 - Rimuru's Number Game Uncategorized 5 27.2% 399
DMOPC '13 Contest 3 P2 - Phone Microwave DMOPC 7p 27.2% 194
DMPG '18 G1 - Musical Chairs DMOPC 10p 27.2% 292
WC '18 Contest 4 J3 - Inventory Woburn Challenge 5p 27.2% 32
Caporegime Uncategorized 10p 27.2% 34
ECOO '13 R1 P1 - Take a Number ECOO 5p 27.2% 1202
Good Sets Uncategorized 10p 27.2% 32
Mock CCO '19 Contest 1 Problem 6 - A Geometry Problem Mock CCO 15p 27.2% 16
ACM U of T Tryouts C2 E - MVP ICPC 15 27.2% 32
IOI '94 P4 - The Clocks IOI 10 27.2% 121
CCC '06 J2 - Roll the Dice CCC 3 27.1% 3040
CCC '20 J2 - Epidemiology CCC 3 27.1% 3709