Problems

Problem search

Point range
Go Random
Problem Category Points AC % Users ▴
CCC '19 S1 - Flipper CCC 3p 100.0% 1
CCC '19 S5 - Triangle: The Data Structure CCC 20p 100.0% 1
CCC '20 J1 - Dog Treats CCC 3p 100.0% 1
CCC '20 J2 - Epidemiology CCC 3p 100.0% 1
CCC '20 J4 - Cyclic Shifts CCC 5p 100.0% 1
CCC '25 J5 - Connecting Territories CCC 7p 9.1% 1
CCC '25 S3 - Pretty Pens CCC 10p 25.0% 1
LCC '25 Contest 2 S5 - Happy (Part 2) LCC 20p 9.1% 1
A Prefix Sum Array Problem Classics 5 50.0% 1
Mock CCC '26 S5 - The Yeti Mock CCC 20p 4.8% 1
JDCC '16 Contest 3 P5 - CPT Elections JDCC 12 42.9% 2
JDCC '16 Contest 5 P4 - Space Invaders JDCC 10 28.6% 2
JDCC '15 Contest 2 P4 - Lucky Tickets JDCC 10 14.3% 2
JDCC '15 Contest 2 P5 - Randomize JDCC 15 6.4% 2
LCC '18 Contest 1 S5 - Line Runner LCC 20 9.5% 2
Girls Invitational '18 S5 - Mapping the Hill Girls Invitational 12 2.1% 2
LCC '18 Contest 4 S5 - Durak LCC 15 14.7% 2
A Simple Mode Uncategorized 7p 66.7% 2
Girls Invitational '18 J4 - Elections in Ada Land Girls Invitational 5 25.8% 2
An XOR Problem Uncategorized 20 4.1% 2
Mock CCC '20 Contest 1 S4 - Rotational Arrays Uncategorized 10p 3.8% 2
Art Academy IV: Alice's Blazing Fury Uncategorized 31p 8.3% 2
A Graph Theory Problem Uncategorized 7p 25.0% 2
Alan's Gold Competitive 25p 6.0% 2
Pillars Competitive 10p 80.0% 2
LCC/Moose '20 Contest 3 J5 - Raytracing LCC 10p 4.3% 2
LCC/Moose '20 Contest 4 S5 - Larry vs. Theo LCC 15p 2.4% 2
LCC/Moose '20 Contest 4 S4 - Alan and Partner LCC 15p 16.7% 2
LCC/Moose '20 Contest 5 S3 - Larry's Paradox LCC 15p 4.4% 2
LCC/Moose '20 Contest 5 S2 - Facials! LCC 5p 1.0% 2
ECOO '21 P4 - Chris' Candy ECOO 7p 100.0% 2
March Break Contest '22 Problem 7 - Wild Ratings Competitive 10p 11.8% 2
LCC '22 Contest 4 S5 - Nita's Summer Splash LCC 20p 13.8% 2
LCC '22 Contest 3 S5 - Umbrella LCC 15 31.6% 2
Maximum Independent Set Uncategorized 15 44.4% 2
LCC '22 Contest 6 J2 - Imagine APs LCC 5 13.3% 2
LCC '22 Contest 6 S4 - Motivation LCC 15p 7.1% 2
Fetch! Uncategorized 7p 50.0% 2
LCC '23 Contest 4 S4 - Date Frenzy LCC 15 9.5% 2
I Hate Ready to Program P10 - Graphics Galore: The Sequel Competitive 7 60.0% 2
I Hate Ready to Program P12 - Wait... Who's Amon?!? Competitive 7 50.0% 2
Wynncraft Travel Pains Competitive 7 100.0% 2
LCC '24 Contest 2 J5 - Canoes LCC 10p 14.6% 2
LCC '24 Contest 2 J4 - Eric's Apple Harvest LCC 5p 6.5% 2
LCC '24 Contest 3 J5 - Bob to the Rescue! LCC 7 9.1% 2
LCC '24 Contest 3 S4 - Split LCC 10 20.0% 2
CCC '22 J2 - Fergusonball Ratings CCC 3p 100.0% 2
CCC '23 J1 - Deliv-e-droid CCC 3p 100.0% 2
CCC '23 S1 - Trianglane CCC 5p 100.0% 2
CCC '23 S4 - Minimum Cost Roads CCC 15p 66.7% 2