Problems

Problem search

Point range
Go Random
Problem Category Points AC % Users ▾
Girls Invitational '19 J4 - Who Will Win? Girls Invitational 5p 24.2% 17
A Harder Contest '19 - A Permutation Problem 2 Uncategorized 15 30.8% 17
Maintaining an Array ICS3U 7p 10.4% 17
MLE '19 Contest 4 P7 - Desperate Uncategorized 5 22.3% 17
Mock CCC '20 Contest 1 S2 - 4D BBST on a DP Uncategorized 5p 24.0% 17
Speedwriting Competitive 3p 40.5% 17
Santa and Sleighs Competitive 7 53.2% 17
LCC '22 Contest 1 J3 - Appalling Attire LCC 5p 16.0% 17
LCC '22 Contest 1 S1 - Candy Eggs LCC 5p 15.7% 17
Teacher Troubles Uncategorized 5p 45.5% 17
Rated Contest 1 P4 - Difference of Squares Uncategorized 10p 18.9% 17
Rated Contest 2 P2 - A-ski-ng Around Uncategorized 5p 21.2% 17
An FFT Problem I Uncategorized 12 35.9% 16
JDCC '15 Contest 3 P5 - Fireworks JDCC 10 37.7% 16
Graph Theory 3 Uncategorized 7 9.2% 16
Mock CCC '19 Contest 1 J5 - One-way Hopscotch Uncategorized 7p 27.3% 16
Art Academy Uncategorized 5p 37.5% 16
insignificant trolling Competitive 5 24.7% 16
MLE '19 Contest 4 P8 - IOI Game Uncategorized 7 43.9% 16
Festive Stew Uncategorized 7p 27.5% 16
Santa and Flight Paths Competitive 7 88.0% 16
Goofy Function Competitive 5 22.2% 16
LCC '23 Contest 1 S3 - Oreos Uncategorized 7p 14.7% 16
Lychee Order Uncategorized 5 38.6% 16
I Hate Ready to Program P1 - It (Doesn't) Begin... Competitive 3 38.5% 16
LCC '23 Contest 2 S3 - Fungi and Molds LCC 7p 40.0% 16
Rated Contest 2 P1 - An Odd Ski Trip Uncategorized 5p 14.8% 16
LCC '24 Contest 2 S3 - Partners LCC 7p 36.4% 16
JDCC '16 Contest 2 P5 - Supermoon Viewing JDCC 12 23.4% 15
JDCC '17 Contest 3 S4 - Interview Dominance JDCC 10p 28.2% 15
LCC '18 Contest 1 S3 - Abelian LCC 7p 9.1% 15
Maintaining a Sequence Uncategorized 30 5.6% 15
LCC '18 Contest 2 J3 - Wrong Dere(c)k! LCC 7 5.4% 15
A Tree Problem Uncategorized 7 18.1% 15
Girls Invitational '18 J3 - Ski Chair Challenge Girls Invitational 5 36.4% 15
Mock CCC '19 Contest 1 S1 - A Complete Problem Uncategorized 5p 26.5% 15
Girls Invitational '19 S4 - Miniature Sudoku Girls Invitational 12p 22.8% 15
Fast Heavy-Light Decomposition Classics 10 58.5% 15
LCC/Moose '19 Contest 4 J4 - Yes LCC 5p 27.1% 15
Component Sum Competitive 12p 43.9% 15
Retro Racing Competitive 5 33.3% 15
Larry's Shoes Competitive 10p 63.3% 15
LCC/Moose '20 Contest 3 S3 - Snake LCC 7p 14.0% 15
LCC/Moose '20 Contest 4 S1 - All Hail! LCC 5p 15.5% 15
LCC '21 Contest 1 J4 - Explosive Candygrams LCC 5p 14.5% 15
LCC '21 Contest 1 J3 - Candy Collecting LCC 5 18.0% 15
LCC '22 Contest 2 J4 - Unbe-leaf-able Schedules LCC 7 22.0% 15
Copy Paste Uncategorized 3 80.0% 15
A Times B II Competitive 5p 16.8% 15
LCC '24 Contest 2 S4 - Cookies LCC 7p 31.7% 15