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Problem Category Points AC % ▾ Users
CCC '23 S4 - Minimum Cost Roads CCC 15p 50.0% 1
CCC '21 S4 - Daily Commute CCC 12p 50.0% 1
WBC '25 P5 - Buying Houses Competitive 10p 50.0% 5
CCC '17 J2 - Shifty Sum CCC 3p 50.0% 2
A Prefix Sum Array Problem Classics 5 50.0% 1
Boxes and Holes ICS3U 3 50.0% 4
Seeing Triple ICS3U 1p 49.5% 136
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
1-Pile Nim Competitive 7p 48.7% 38
LCC '18 Contest 2 S2 - False Report LCC 5p 48.3% 25
Megacities Competitive 10p 48.3% 14
LCC '21 Contest 4 J6/S6 - April Fools! LCC 1 48.1% 36
LCC '22 Contest 2 J1 - Re-leaf LCC 3 48.1% 33
Mock CCC '19 Contest 1 J3 - Mathematical Math Uncategorized 3p 47.9% 63
LCC '21 Contest 1 J1 - Costume Contest LCC 3 47.7% 49
Cast to Integer ICS3U 3p 47.7% 81
Star Carpet ICS3U 3 47.7% 39
Even and Odd ICS3U 3p 47.7% 55
LCC/Moose '19 Contest 1 J2 - A Car Problem LCC 3p 47.6% 70
True or False Competitive 5 47.6% 9
Light Bulbs Uncategorized 5 47.4% 8
A Plus B Classics 2 47.3% 339
Unique Subsets Competitive 7p 47.1% 20
LCC '22 Contest 5 S4 - Jimmy's Trip LCC 12p 47.1% 4
LCC '24 Contest 3 J2 - Squares LCC 3p 47.1% 8
A Unique List Competitive 3p 46.9% 63
LCC '25 Contest 1 J2 - Threatening Treats LCC 5p 46.7% 5
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
Mandatory Play-doh Uncategorized 10p 46.2% 4
LCC ‘23 Contest 1 S2 - sdraC eht pilF LCC 5 46.0% 21
A Set Problem Uncategorized 5 46.0% 29
LCC/Moose '19 Contest 1 S2 - Siege LCC 7p 45.9% 68
Inaho IV Uncategorized 7p 45.8% 14
List Minimum (Hard) Uncategorized 5 45.6% 99
Teacher Troubles Uncategorized 5p 45.5% 17
A Segment Tree Problem Uncategorized 12 45.5% 4
Over Optimization Competitive 3p 45.3% 37
Dynamic Tree Test (Easy) Classics 25p 45.2% 10
Rated Contest 3 P3 - Dynamic Programming Uncategorized 7p 45.2% 12
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
LCC '23 Contest 1 J1 - Choosing a Costume LCC 3 44.8% 22