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Problem Category Points AC % ▾ Users
A Prefix Sum Array Problem Classics 5 50.0% 1
Boxes and Holes ICS3U 3 50.0% 4
LCC '25 Contest 2 S1 - Colourful Maze LCC 5p 50.0% 6
LCC '25 Contest 3 J4 - Icicles LCC 5p 50.0% 5
LCC '25 Contest 3 S1 - Holiday Assembly Line LCC 7p 50.0% 4
LCC '18 Contest 1 J1 - Tall People LCC 3p 49.9% 153
Seeing Triple ICS3U 1p 49.3% 135
Path Running Competitive 3 49.3% 26
An Array Problem Uncategorized 7 49.2% 46
Extended Fibonacci Competitive 10p 49.2% 20
LCC '21 Contest 1 S1 - Password Please LCC 5 48.8% 29
LCC '18 Contest 2 S2 - False Report LCC 5p 48.3% 25
Megacities Competitive 10p 48.3% 14
1-Pile Nim Competitive 7p 48.2% 37
LCC '22 Contest 2 J1 - Re-leaf LCC 3 48.1% 33
Cast to Integer ICS3U 3p 47.9% 80
LCC '21 Contest 1 J1 - Costume Contest LCC 3 47.7% 49
Mock CCC '19 Contest 1 J3 - Mathematical Math Uncategorized 3p 47.6% 62
LCC/Moose '19 Contest 1 J2 - A Car Problem LCC 3p 47.6% 70
True or False Competitive 5 47.6% 9
LCC '21 Contest 4 J6/S6 - April Fools! LCC 1 47.5% 35
Light Bulbs Uncategorized 5 47.4% 8
A Plus B Classics 2 47.3% 338
Even and Odd ICS3U 3p 47.2% 54
Unique Subsets Competitive 7p 47.1% 20
LCC '22 Contest 5 S4 - Jimmy's Trip LCC 12p 47.1% 4
Star Carpet ICS3U 3 47.1% 38
LCC '24 Contest 3 J2 - Squares LCC 3p 47.1% 8
A Unique List Competitive 3p 46.7% 62
JDCC '15 Contest 3 P2 - Splitting Presents JDCC 5 46.4% 7
LCC '18 Contest 4 J3 - Minecraft Construction Contractor LCC 5p 46.2% 30
LCC '22 Contest 6 J3 - It's Crammin' Time LCC 5 46.2% 3
LCC ‘23 Contest 1 S2 - sdraC eht pilF LCC 5 46.0% 21
LCC/Moose '19 Contest 1 S2 - Siege LCC 7p 45.9% 68
Inaho IV Uncategorized 7p 45.8% 14
List Minimum (Hard) Uncategorized 5 45.5% 98
Teacher Troubles Uncategorized 5p 45.5% 17
A Set Problem Uncategorized 5 45.3% 28
Over Optimization Competitive 3p 45.3% 37
Dynamic Tree Test (Easy) Classics 25p 45.2% 10
Peter and Array ICS3U 5p 45.0% 4
LCC '21 Contest 6 S1 - Segment Intersection ICS3U 5p 45.0% 8
Capture the Flag Uncategorized 10 45.0% 3
LCC '22 Contest 3 S1 - Geometric Square LCC 5 45.0% 21
JDCC '16 Contest 1 P1 - Euler JDCC 3 45.0% 86
Toad Competitive 7p 44.7% 14
JDCC '16 Contest 3 P4 - Robot Dodgeball JDCC 10 44.4% 20
JDCC '15 Contest 2 P3 - eLettery JDCC 5 44.4% 14
Maximum Independent Set Uncategorized 15 44.4% 2
LCC '24 Contest 3 S2 - Conveyers LCC 5 44.4% 8