Problems

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Problem Name Code Points Users AC Rate Date Added
Woburn Idol q2 3 310 34.17% 2011-03-08
Grid Sums q3 3 207 45.00% 2011-03-08
Connect 4 q4 3 171 20.99% 2011-03-08
Encryption Grid q5 7 84 47.32% 2011-03-08
Betty's Candy Cane q6 10p 83 47.44% 2011-03-10
A Romantic Dinner Outing rdinner 20 11 19.77% 2014-07-08
Root Solver rootsolve 30p 1 2.20% 2012-07-28
Rubik's Cube Solver rubik 50p 1 0.44% 2008-12-25
Super Boggle sboggle 15p 3 16.13% 2012-04-15
Skyscrapers skyscrapers 15p 20 10.83% 2009-02-13
Do You Want to Build a Snowman? snowman 7 11 40.00% 2014-06-29
Subway Routes subway 17p 42 44.96% 2012-08-10
System Solver syssolve 20p 8 12.30% 2013-07-12
Alpha Nerd (Hard) wc174s4h 25p 0 100.00% 2018-04-23
Word Wrap Cypher wordwrap 7 23 40.63% 2014-06-29
Crosswords xword 15p 3 16.67% 2011-12-24
Non-space-separated nospaces 10 32 28.22% 2011-02-22
Busy Schedule sched 10 26 45.83% 2011-02-22
Virtuoso virtuoso 15 26 18.32% 2011-02-22
The Cake is a Dessert cake 12 79 24.40% 2011-02-22
Water avatarwater 3 300 53.55% 2014-10-06
Earth avatarearth 3 125 28.95% 2014-10-06
Fire avatarfire 5 84 26.92% 2014-10-06
Air avatarair 7 30 13.96% 2014-10-06
Spirits avatarspirits 10 9 8.33% 2014-10-06
Change avatarchange 7 9 31.58% 2014-10-06
Balance avatarbalance 10 60 36.36% 2014-10-06
Bincent's Billows ecooqual2018p1 3 65 44.74% 2018-01-28
Educational Educational Computing Organization of Ontario Organization of Ontario ecooqual2018p2 5 28 18.59% 2018-01-28
Shattering Shadows 2 ecooqual2018p3 7p 3 9.38% 2018-01-28
IOI tour ecooqual2018p4 10p 5 12.50% 2018-01-28
Trick-or-Treat trickortreat 5 72 18.58% 2014-11-07
Brap Lesh Mafia brapleshmafia 5 90 21.00% 2014-11-07
2spooky4me 2spooky4me 7 37 9.73% 2014-11-07
Prime Street primestreet 10 16 11.18% 2014-11-07
Stingy Candyman candyman 10 18 22.22% 2014-11-07
Rabbit Girls rabbitgirls 5 81 20.81% 2014-11-04
Cat Girls catgirls 15p 24 23.86% 2014-11-04
Dog Girls doggirls 15p 10 14.63% 2014-11-04
Fox Girls foxgirls 25p 5 16.33% 2014-11-04
Tenri tenri 20p 27 25.50% 2014-03-19
Kirito kirito 25p 26 20.78% 2014-03-19
Esdeath esdeath 20p 27 8.81% 2014-03-19
Economy test2017p1 3 37 31.97% 2017-12-05
Budget test2017p2 3 51 25.45% 2017-12-05
TTC test2017p3 3 70 34.42% 2017-12-05
Secret Santa ssanta 10p 17 19.49% 2014-12-13
Gift Delivery giftdel 10 9 13.10% 2014-12-13
Assembly Elves elves 10p 17 12.95% 2014-12-13
Xor xor 7 23 44.26% 2014-11-10