Problems

Problem search

Point range
Go Random
Problem Category Points AC % Users ▾
JDCC '16 Contest 3 P4 - Robot Dodgeball JDCC 10 44.4% 20
Tree Distance Competitive 12p 23.1% 20
Extended Fibonacci Competitive 10p 49.2% 20
JDCC '15 Contest 2 P2 - Icy Spiral JDCC 5 29.1% 20
LCC '18 Contest 2 S4 - Superprime LCC 12p 11.6% 20
An AQT Problem Uncategorized 7 55.8% 20
LCC '18 Contest 4 S2 - VInts LCC 5 86.1% 20
Mock CCC '19 Contest 1 J4 - Factors Uncategorized 5p 27.3% 20
MLE '19 Contest 4 P6 - No Uncategorized 5 43.1% 20
ECOO '21 Practice P1 - Tootsie Rolls! ECOO 3p 57.1% 20
LCC '21 Contest 1 S2 - Tracy's Palindromes LCC 5p 13.6% 20
LCC '21 Contest 2 S2 - Oscar's Bagels LCC 5p 21.6% 20
LCC '21 Contest 5 J1 - Slippery Sequences LCC 3 89.3% 20
LCC '21 Contest 6 J1 - Candy Shop LCC 3 30.4% 20
LCC '22 Contest 2 S2 - Medicinal Nuts LCC 7p 20.5% 20
LCC '23 Contest 1 J1 - Choosing a Costume LCC 3 42.9% 20
JDCC '16 Contest 1 P3 - Painting Cost JDCC 5 65.5% 19
JDCC '16 Contest 4 P2 - Phi Circuits JDCC 5 75.0% 19
JDCC '16 Contest 4 P3 - Big Integer Factorization JDCC 7 12.6% 19
JDCC '16 Contest 5 P2 - Scientific Notation JDCC 5 8.6% 19
JDCC '15 Contest 1 P3 - Test Candy JDCC 5 71.4% 19
LCC '18 Contest 2 J5 - Tall People 2 LCC 7p 16.0% 19
LCC '18 Contest 2 S5 - Salaries LCC 17p 30.5% 19
Mock CCC '19 Contest 1 S2 - Strings Uncategorized 7p 28.0% 19
Unique Subsets Competitive 7p 47.1% 19
LCC '21 Contest 2 S3 - Gaming But Harder LCC 7p 33.8% 19
Alice's Number Guessing Game Competitive 3 48.8% 19
LCC '22 Contest 2 J3 - Qual-leaf-ications LCC 5 21.4% 19
Prefix Sum Prefix Sum Array Competitive 3 78.6% 19
LCC '22 Contest 4 S1 - Pens LCC 5 38.6% 19
Cracked Screen Uncategorized 5p 39.3% 19
A Counting Problem Uncategorized 15 31.1% 18
Girls Invitational '18 J5 - Kstar and Party Girls Invitational 7 26.0% 18
LCC/Moose '19 Contest 4 J2 - Ping Pong LCC 5p 15.6% 18
A Squirrel Problem 2 Competitive 7p 28.3% 18
Parrots and Cookies Competitive 7p 31.0% 18
An Easy Score Competitive 5 32.1% 18
Good Colouring ICS3U 3p 43.8% 18
LCC '21 Contest 5 J2 - Bottle Refilling LCC 3 38.3% 18
LCC '22 Contest 4 J1 - Test Prep LCC 3 54.3% 18
LCC '22 Contest 4 S2 - Leon's Friends Uncategorized 7 54.5% 18
A Search Problem Uncategorized 5p 30.3% 18
JDCC '15 Contest 3 P4 - Skiing JDCC 10 29.7% 17
LCC '18 Contest 2 S1 - A Hard Problem LCC 5p 21.8% 17
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
Santa and Sleighs Competitive 7 53.2% 17