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Problem Category Points AC % Users
IOI '99 P5 - Flatten IOI 15p 21.6% 16
Jack Needs Help Uncategorized 10p 32.0% 20
JOI '13 Open P3 - Watching JOI 15p 30.1% 98
JOI '14 Open P6 - Secret JOI 17p 16.0% 121
JOI '16 Final P1 - Foehn Phenomena JOI 10p 60.7% 26
JOI '16 Final P2 - Semiexpress JOI 12 54.8% 17
JOI '17 Final P4 - Commuter Pass JOI 15 26.8% 61
JOI '19 Final P3 - Collecting Stamps 3 JOI 15 25.7% 40
JOI '20 Open P3 - Power Plant JOI 15p 39.1% 29
JOI '22 Final P1 - Intercastellar JOI 10p 58.2% 29
JOI '22 Final P2 - Self Study JOI 12p 26.8% 19
JOI '22 Open P1 - Seesaw JOI 17p 16.7% 8
JOI '22 Open P3 - School Road JOI 17p 17.9% 6
JOI '23 Open P3 - Garden JOI 12p 9.0% 6
Joshua Needs Help Uncategorized 10 54.8% 42
Number Theoretic Transform Uncategorized 12 25.7% 11
JSB '19 - P4 CTF 17 23.0% 9
JSB '19 - P5 CTF 15 19.2% 9
K-Dimensional Grids Uncategorized 15p 27.7% 21
Knapsack 3 Uncategorized 10p 26.3% 268
Koala Ball Uncategorized 12p 32.4% 15
K-th Minimum Number Uncategorized 17 45.7% 36
Strict Evaluation Data Structure Tests 17 22.1% 153
Longest Balanced Subsequence Uncategorized 15p 30.3% 28
Lego Uncategorized 15p 26.7% 14
Lemon Uncategorized 10 30.8% 15
Levve Loves Segment Trees Uncategorized 15 12.3% 45
Liars Uncategorized 15p 15.7% 9
Longest Increasing Subsequence Classics 10 23.9% 565
LKP '18 Contest 1 P4 - Fun in Föràg Uncategorized 15p 13.4% 256
LKP '18 Contest 1 P5 - The Treaty of Wellacotia Uncategorized 17p 12.0% 53
LKP '18 Contest 2 P4 - The Zagonetka Machine Uncategorized 12p 14.0% 39
LKP '18 Contest 2 P5 - Political Instability Uncategorized 17 21.6% 44
Willie's Subtree Uncategorized 15 17.4% 10
Max's Anger Contest Series 1 P4 - Greedily Gamboling Seasonal 12p 17.8% 73
Max's Anger Contest Series 1 P4 - Greedily Gamboling (Hard Version) Seasonal 15p 28.7% 13
Max's Anger Contest Series 1 P5 - Slacking Subsequences Seasonal 15p 30.9% 58
Max's Anger Contest Series 2 P4 - Number Anger Seasonal 12p 37.7% 51
Max's Anger Contest Series 2 P5 - Job Anger Seasonal 12p 28.2% 60
Magic Bits Uncategorized 10p 12.8% 42
Magic Maze Uncategorized 17p 17.1% 23
MALD Contest 1 P4 - Scratch Cat and Demolition Uncategorized 15p 34.2% 53
MALD Contest 1 P5 - Scratch Cat and Desktop Backgrounds Uncategorized 17p 9.9% 17
MALD Contest 1 P6 - Scratch Cat and Painting Uncategorized 17p 14.1% 13
A Math Contest P10 - Tricky Multisets Uncategorized 12 27.5% 70
A Math Contest P11 - Weak Goldbach's Conjecture Uncategorized 15 25.4% 75
A Math Contest P12 - Triangles Uncategorized 17 27.6% 21
A Math Contest P13 - Ways Uncategorized 17 20.3% 34
A Math Contest P6 - Global Maximum Uncategorized 10 29.3% 100
A Math Contest P7 - Factors Uncategorized 10 31.8% 166