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Problem Category Points AC % ▾ Users
JDCC '15 Contest 4 P2 - Ants on a Log JDCC 7 87.5% 10
ICS Contest 1 Problem 2 - DM Counting ICS3U 3 87.5% 13
MLE '19 Contest 4 P1 - Hi Uncategorized 3 87.0% 66
LCC '18 Contest 4 S2 - VInts LCC 5 86.1% 20
Art Academy VII: A Mysterious Object Uncategorized 12p 85.7% 5
MLE '19 Contest 4 P2 - Troll Uncategorized 3 85.4% 63
Difference Array Simulation Competitive 3p 85.1% 59
King of the Hill Uncategorized 5p 84.6% 9
Andyman's Golf Course - Hole 2 - Picture Perfect Uncategorized 0 84.3% 11
Elfland Transport Committee Uncategorized 7 83.3% 3
LCC '25 Contest 3 J1 - Snowflakes LCC 3p 83.3% 4
Present Panic Uncategorized 12p 82.4% 4
LCC '23 Contest 3 J1 - Christmas Dinner LCC 3 82.4% 14
Art Academy V: Ruin Uncategorized 12p 81.8% 4
ICS Contest 1 Problem 1 - Jerry? Jerry. Jerry! ICS3U 3 81.0% 15
JDCC '16 Contest 3 P3 - Letter Swap JDCC 7 80.0% 7
nicoella's Amazing Alts Competitive 3p 80.0% 47
Evan's Cube Uncategorized 12p 80.0% 4
Pillars Competitive 10p 80.0% 2
LCC '21 Contest 6 S2 - Palindromes on Trees LCC 7p 80.0% 7
March Break Contest '22 Problem 5 - Good Arrays Competitive 7p 80.0% 4
Copy Paste Uncategorized 3 80.0% 15
CCC '23 J2 - Chili Peppers CCC 3p 80.0% 4
CCC '15 J5 - π-day CCC 10p 80.0% 2
CCC '24 J5 - Harvest Waterloo CCC 7p 80.0% 5
LCC '25 Contest 2 J4 - Cosmic Farming LCC 7p 80.0% 6
Graph Theory Uncategorized 1 79.4% 159
Prefix Sum Prefix Sum Array Competitive 3 78.6% 19
LCC/Moose '18 Contest 3 J2 - Dereck's Procrastination LCC 3 78.0% 147
Inaho X Uncategorized 7 77.8% 4
CCC '17 J1 - Quadrant Selection CCC 3p 77.8% 6
JDCC '15 Contest 2 P1 - Lifting Weights JDCC 3 77.3% 51
LCC '25 Contest 2 J3 - Rice Farming LCC 5 77.3% 5
I Hate Ready to Program P8 - Imploding IDE Competitive 7 76.5% 3
Andyman's Golf Course - Hole 3 - Prefix Sum Array Uncategorized 0 76.3% 7
:hudab: Uncategorized 1 76.2% 188
Mock CCC '20 Contest 1 J1 - Loss Uncategorized 3p 75.9% 60
JDCC '17 Contest 2 J1 - Wrapping Presents JDCC 3p 75.5% 71
JDCC '16 Contest 4 P2 - Phi Circuits JDCC 5 75.0% 19
Alawn's Problem Uncategorized 7p 75.0% 3
LCC '23 Contest 1 J4 - Candy Plan LCC 7p 75.0% 10
CCC '23 J3 - Special Event CCC 5p 75.0% 3
CCC '21 J1 - Boiling Water CCC 3p 75.0% 3
CCC '21 J4 - Arranging Books CCC 7p 75.0% 3
LCC '25 Contest 1 J4 - Candy Delivery LCC 5p 75.0% 4
CCC '96 S3 - Pattern Generator CCC 5p 75.0% 3
LCC '25 Contest 2 J2 - Animal Pens LCC 3p 75.0% 5
LCC '18 Contest 5 J1 - Mints LCC 3 74.3% 60
Function Transformations Uncategorized 3 73.3% 11
LCC '23 Contest 4 J1 - Cramming Time! LCC 3 73.3% 11