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Problem Category Points ▾ AC % Users
Mock CCC '19 Contest 1 S5 - Naruto and Sasuke Contest Problems 60p 4.8% 1
Maintaining a Sequence Uncategorized 40p 20.0% 10
Dynamic Tree Test (Easy) Uncategorized 35p 20.8% 5
Mock CCC '20 Contest 1 S5 - Maze 🍆 Contest Problems 30 0.0% 0
Maintaining a Sequence Uncategorized 20p 27.5% 14
Mock CCC '19 Contest 1 S4 - Souma and Food Contest Problems 20p 42.2% 11
An XOR Problem Contest Problems 20 7.1% 2
GOOSE Contest Problems 20 21.1% 2
CCC '24 S5 - Chocolate Bar Partition Contest Problems 20p 0.0% 0
Experience Up! Uncategorized 17 21.2% 7
A Graphing Calculator Uncategorized 17p 7.2% 2
TSSPC Contest 1 P5 - Trick or Trail Seasonal 17p 24.2% 14
IOI '01 P1 - Mobile Phones Classics 15 32.9% 18
CCC '05 S5 - Pinball Ranking Contest Problems 15p 33.2% 30
A Counting Problem Contest Problems 15 50.0% 6
A Counting Problem 2 Contest Problems 15 46.2% 4
Graph Theory 3 Contest Problems 15 35.0% 5
TSS '19 CC P4 - Power Sum on a Tree Contest Problems 15 56.0% 13
CCC '18 S4 - Balanced Trees Contest Problems 15p 41.9% 10
CCC '23 S4 - Minimum Cost Roads Contest Problems 15p 100.0% 3
Sergey and Peen Uncategorized 13 0.0% 0
Inversions Uncategorized 12 22.4% 25
k-Intersecting pair Uncategorized 12 13.3% 11
RTE '16 S3 - School Traversal Uncategorized 12p 25.0% 7
Jonathan Sumabat 2 Uncategorized 12 30.0% 4
Jonathan Sumabat 9 Uncategorized 12p 4.1% 3
Fraschetti's Pizza Stacks Uncategorized 12p 40.6% 15
Fraschetti's Pizza Stacks 2 Uncategorized 12 20.7% 4
A Two-Pointers Problem Classics 12 20.0% 9
TSSPC Contest 2 P4 - Cheapskate Classics 12p 42.9% 5
TTC '18 Contest 1 P5 - Cancer Contest Problems 12 17.4% 10
A Path Problem 2 Contest Problems 12 20.0% 9
Mock CCC '19 Contest 1 S3 - Saitama's Trees Contest Problems 12p 7.8% 5
CPC 1 Problem 5 - Chika's Rage Tree Contest Problems 12p 31.0% 9
CPC 1 Problem 6 - Chika's Nice Numbers Contest Problems 12p 16.7% 2
Hockey Scores Contest Problems 12 22.2% 1
CCC '11 S5 - Switch Contest Problems 12p 30.0% 3
USACO 2023 February Silver P1 - Bakery Contest Problems 12p 0.0% 0
TCCC '23 Sept P10 - Team Z TCC Contest 12p 20.9% 6
TCCC '23 Nov P5 - The Silver Hedgehog TCC Contest 12p 19.1% 7
TCCC '24 June P4 - Jungle Escape TCC Contest 12p 16.7% 2
Maximum-Minimum Difference Uncategorized 10 17.8% 17
Maintaining a Sequence Uncategorized 10p 21.7% 20
Almost Sorted Uncategorized 10p 17.6% 6
CCC '13 S4 - Who is Taller? Uncategorized 10 45.2% 13
TSOC '15 Contest 1 #5 - Giant Ants Uncategorized 10p 69.2% 6
CCO '98 P1 - Fibonacci Numbers Uncategorized 10 40.0% 23
Binary Indexed Tree Test Uncategorized 10p 47.1% 14
Counting Sequences Uncategorized 10p 20.8% 8
TSSPC Contest 2 P3 - Joe's Dominoes Uncategorized 10p 26.5% 3