Problems

Problem search

Point range
Go Random

Hot problems

Problem ▾ Category Points AC % Users
Longest Increasing Subsequence Classics 10 23.6% 545
Longest Increasing Subsequence Uncategorized 7 29.4% 647
Longest Common Subsequence Classics 7 40.5% 836
Longest Balanced Subsequence Uncategorized 15p 30.3% 28
LKP '18 Contest 2 P6 - Reconstruction Uncategorized 25 7.9% 31
LKP '18 Contest 2 P5 - Political Instability Uncategorized 17 22.1% 41
LKP '18 Contest 2 P4 - The Zagonetka Machine Uncategorized 12p 13.9% 38
LKP '18 Contest 2 P3 - Non-strategic Bombing Uncategorized 7 27.6% 102
LKP '18 Contest 2 P2 - Secret Signal Uncategorized 5 23.5% 134
LKP '18 Contest 2 P1 - Food Lines Uncategorized 3 37.7% 1019
LKP '18 Contest 1 P6 - The Great Fire of Köres Uncategorized 20p 16.7% 53
LKP '18 Contest 1 P5 - The Treaty of Wellacotia Uncategorized 17p 11.8% 51
LKP '18 Contest 1 P4 - Fun in Föràg Uncategorized 15p 13.3% 253
LKP '18 Contest 1 P3 - Polynomial Madness Uncategorized 7p 12.2% 51
LKP '18 Contest 1 P2 - Observing Frogs Uncategorized 5p 26.4% 172
LKP '18 Contest 1 P1 - World Trade Foundation Uncategorized 3p 38.7% 220
Literature Club Uncategorized 5p 48.2% 45
List Minimum (Harder) Uncategorized 7 0.2% 5
List Minimum (Hard) Uncategorized 5 35.8% 1661
List Minimum (Easy) Uncategorized 3p 11.9% 850
List Minimum Uncategorized 3 49.8% 3279
Linked List Uncategorized 20p 6.9% 26
Link Cut Tree Uncategorized 50 0.6% 5
Line Sweep Uncategorized 25 9.8% 29
Lil' Jami Uncategorized 5p 17.2% 196
Liars Uncategorized 15p 15.8% 9
Lexicographically Least Substring (Hard) Uncategorized 15 11.3% 183
Lexicographically Least Substring Uncategorized 5 46.0% 616
Levve Loves Segment Trees Uncategorized 15 12.3% 38
Lemon Tree Uncategorized 20p 10.5% 14
Lemon Game Olympiads School 7 28.6% 43
Lemon Uncategorized 10 33.5% 15
Lego Uncategorized 15p 27.3% 13
Least Multiple Olympiads School 10p 7.9% 29
Largest Permutation Uncategorized 7p 19.6% 262
Koala Ball Uncategorized 12p 32.2% 14
Knapsack 4 ICPC 20 21.0% 55
Knapsack 3 Uncategorized 10p 26.3% 251
King Graff's Trip Uncategorized 15p 8.2% 47
King Graff's Tolls Uncategorized 17p 27.6% 55
King Graff's Defense Uncategorized 15p 8.5% 59
Kevin Needs Help Uncategorized 20 29.4% 16
K-th Minimum Number Uncategorized 17 45.5% 32
K-Dimensional Grids Uncategorized 15p 27.7% 21
JSB '19 - P5 CTF 15 19.2% 9
JSB '19 - P4 CTF 17 23.0% 9
JSB '19 - P3 CTF 7 38.8% 15
JSB '19 - P2 CTF 7 26.7% 16
JSB '19 - P1 CTF 5 8.4% 27
Joshua Needs Help Uncategorized 10 54.1% 40