Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Types Points AC % ▴ Users
DMPG '19 G2 - Test Marks DMOPC Dynamic Programming 20p 25.5% 3
VPEX P4 - Etopika Uncategorized Dynamic Programming, Graph Theory 12p 19.2% 139
VPEX P5 - Points Redistribution Uncategorized Data Structures, Dynamic Programming 20p 24.4% 54
Back To School '19: Heist Night Seasonal Dynamic Programming, Graph Theory 15p 14.4% 31
Back To School '19: Unstable Books Seasonal Dynamic Programming 15p 29.9% 32
APIO '08 P3 - DNA APIO Dynamic Programming 15p 30.8% 32
CEOI '16 P2 - Kangaroo CEOI Dynamic Programming 20p 43.3% 64
CEOI '16 P4 - Match CEOI Data Structures, Dynamic Programming, String Algorithms 15p 19.9% 22
COCI '09 Contest 2 #3 Kutevi COCI Dynamic Programming, Simple Math 7 49.6% 111
Back From Summer '19 P5: ABC123E Seasonal Dynamic Programming, Graph Theory 17p 30.1% 32
Back From Summer '19 P6: Composite Zeyu Seasonal Data Structures, Dynamic Programming, Intermediate Math 15p 37.6% 41
DMOPC '19 Contest 2 P4 - A Greedy Problem DMOPC Dynamic Programming 15p 20.4% 83
Baltic OI '13 P6 - Vim Baltic OI Dynamic Programming 20p 17.6% 3
Baltic OI '13 P2 - Palindrome-Free Numbers Baltic OI Dynamic Programming 15p 27.4% 85
Wesley's Anger Contest 2 Problem 5 - Oober Treats WAC Divide and Conquer, Dynamic Programming, Graph Theory 25 21.6% 10
Wesley's Anger Contest 2 Problem 6 - Haunted Houses WAC Advanced Math, Brute Force, Dynamic Programming 30 33.3% 6
DMOPC '19 Contest 4 P3 - Taking Cues DMOPC Dynamic Programming 12p 20.0% 77
Art Academy V: Ruin Uncategorized Dynamic Programming 12p 25.1% 46
Wesley's Anger Contest 1 Problem 4 (Hard Version) - A Red-Black Tree Problem WAC Dynamic Programming, Graph Theory 17 23.4% 13
Wesley's Anger Contest 3 Problem 5 - Triangle: The Root of All Evil WAC Dynamic Programming, Greedy Algorithms 15p 11.3% 40
COCI '19 Contest 5 #4 Putovanje COCI Dynamic Programming, Graph Theory 15p 37.3% 100
COCI '19 Contest 5 #5 Zapina COCI Dynamic Programming, Intermediate Math 10p 58.2% 93
DMOPC '19 Contest 6 P5 - University Math DMOPC Data Structures, Dynamic Programming, Graph Theory 30p 6.6% 11
COCI '19 Contest 4 #3 Holding COCI Dynamic Programming 15p 29.4% 76
COCI '19 Contest 6 #4 Skandi COCI Dynamic Programming, Graph Theory 17p 51.0% 13
COCI '19 Contest 6 #5 Trener COCI Data Structures, Dynamic Programming, Graph Theory, String Algorithms 15p 31.6% 68
Wesley's Anger Contest 4 Problem 2 - Squirrel Election WAC Dynamic Programming, Greedy Algorithms 7p 20.3% 211
Wesley's Anger Contest 4 Problem 3 - Squirrel Tag WAC Dynamic Programming, Geometry 12p 15.5% 73
Art Academy VII: A Mysterious Object Uncategorized Dynamic Programming 12p 41.3% 62
CEOI '16 P5 - Popeala CEOI Dynamic Programming 25p 18.6% 11
Facebook Hacker Cup '19 Final Round P1 - Strings as a Service FHC Ad Hoc, Dynamic Programming, Greedy Algorithms, String Algorithms 15p 33.3% 4
Facebook Hacker Cup '19 Final Round P6 - Temporal Revision FHC Data Structures, Dynamic Programming, Graph Theory 40p 63.6% 5
COCI '11 Contest 6 #6 Košare COCI Dynamic Programming, Intermediate Math 15p 34.6% 75
COCI '16 Contest 1 #6 Vještica COCI Data Structures, Dynamic Programming, Recursion, String Algorithms 15p 58.1% 21
WC '18 Contest 1 S3 - Reach for the Top Woburn Challenge Dynamic Programming, Graph Theory 12p 11.7% 118
IOI '09 P8 - Salesman IOI Data Structures, Dynamic Programming 25p 16.8% 133
IOI '96 P1 - A Game IOI Dynamic Programming, Game Theory 10 39.2% 270
IOI '96 P5 - Longest Prefix IOI Dynamic Programming 12 20.8% 112
IOI '98 P6 - Polygon IOI Dynamic Programming 15 32.0% 61
COCI '09 Contest 4 #5 Kaboom COCI Ad Hoc, Dynamic Programming 12 40.2% 27
IOI '00 P5 - Post Office IOI Dynamic Programming 15p 40.6% 183
IOI '05 P1 - Garden IOI Dynamic Programming 20p 21.7% 252
IOI '04 P4 - Phidias IOI Dynamic Programming 10p 53.6% 888
COCI '09 Contest 5 #4 Zuma COCI Dynamic Programming 15 46.5% 71
WC '18 Contest 4 S2 - Farming Simulator Woburn Challenge Dynamic Programming 15p 34.4% 55
WC '16 Finals S3 - Privacy Woburn Challenge Dynamic Programming 12p 55.4% 75
Wesley's Anger Contest 5 Problem 5 - A Squirrel's Life WAC Dynamic Programming, Graph Theory, Intermediate Math 25p 7.6% 12
Baltic OI '19 P4 - Tom's Kitchen Baltic OI Dynamic Programming 15p 25.1% 73
Baltic OI '19 P2 - Nautilus Baltic OI Dynamic Programming 15p 32.8% 68
Baltic OI '19 P5 - Necklace Baltic OI Ad Hoc, Dynamic Programming, String Algorithms 17p 11.7% 19