Problems

Problem Category Types Points ▾ AC % Users
Baltic OI '07 P2 - Sorting Baltic OI Dynamic Programming 40p 11.0% 7
Facebook Hacker Cup '19 Final Round P6 - Temporal Revision FHC Data Structures, Dynamic Programming, Graph Theory 40p 63.6% 5
NOI '07 P6 - Thief Catching China NOI Dynamic Programming, Graph Theory 40p 23.7% 4
IOI '07 P6 - Training IOI Dynamic Programming, Graph Theory 40p 27.9% 67
NOI '22 Multi-Provincial Team Selection P6 - MIS China NOI Dynamic Programming 40p 8.3% 2
Google Code Jam '16 World Finals Problem A - Integeregex Google Code Jam Data Structures, Dynamic Programming, Implementation, String Algorithms 35 49.2% 6
NOI '10 P5 - Route Planning China NOI Dynamic Programming 35p 5.7% 2
ICPC PACNW 2010 I - Zombie Fences 2: Electric Boogaloo ICPC Dynamic Programming 35p 11.8% 2
COI '10 #5 Lovci COCI Ad Hoc, Dynamic Programming 35p 23.5% 1
CCO '22 P6 - Good Game CCO Constructive, Dynamic Programming 35p 19.6% 12
JOI '22 Open P2 - Giraffes JOI Dynamic Programming 35p 0.0% 0
Google Code Jam '22 Round 2 Problem D - I, O Bot Google Code Jam Ad Hoc, Data Structures, Dynamic Programming 35p 25.0% 1
DMOPC '15 Contest 3 P6 - Gala DMOPC Ad Hoc, Dynamic Programming 30p 11.3% 22
IOI '16 P6 - Aliens IOI Dynamic Programming 30p 7.1% 80
COI '08 #1 Izbori COCI Dynamic Programming 30p 8.6% 9
CCO '18 P3 - Fun Palace CCO Dynamic Programming 30p 18.1% 76
COCI '18 Contest 4 #5 Akvizna COCI Dynamic Programming 30p 31.3% 75
CEOI '17 P6 - Chase CEOI Dynamic Programming 30p 18.3% 21
CCO '19 P3 - Winter Driving CCO Divide and Conquer, Dynamic Programming, Graph Theory 30p 17.1% 65
CEOI '19 P4 - Amusement Park CEOI Dynamic Programming, Graph Theory 30p 20.8% 7
Wesley's Anger Contest 2 Problem 6 - Haunted Houses WAC Advanced Math, Brute Force, Dynamic Programming 30 33.3% 6
DMOPC '19 Contest 6 P5 - University Math DMOPC Data Structures, Dynamic Programming, Graph Theory 30p 6.6% 11
NOI '08 P2 - Course Design China NOI Dynamic Programming, Graph Theory 30p 7.9% 12
NOI '07 P2 - Cash Exchange China NOI Dynamic Programming 30p 12.1% 24
NOI '13 P5 - Calligrapher China NOI Dynamic Programming 30p 19.4% 6
Wesley's Anger Contest 5 Problem 7 - Acorn Delivery System WAC Data Structures, Dynamic Programming, Geometry, Graph Theory 30p 2.8% 7
IOI '16 P6 - Aliens (Standard I/O) IOI Dynamic Programming 30p 6.0% 62
UTS Open '21 P7 - April Fools Uncategorized Dynamic Programming 30p 8.6% 10
COCI '16 Contest 2 #6 Burza COCI Ad Hoc, Dynamic Programming 30p 22.0% 24
ECOO '21 P6 - Problematic Pathways ECOO Ad Hoc, Dynamic Programming 30p 9.2% 4
COCI '21 Contest 3 #3 Akcija COCI Data Structures, Dynamic Programming, Greedy Algorithms 30p 4.9% 9
Mock CCC '22 2 S5 - Kaguya Wants to go Window Shopping with Kei Shirogane Mock CCC Dynamic Programming 30p 5.5% 5
DMOPC '21 Contest 7 P6 - Rainbow Subgraphs DMOPC Dynamic Programming 30p 14.6% 8
COI '10 #4 Kamion COCI Dynamic Programming, Graph Theory 30p 20.0% 1
COI '13 #2 Histogrami COCI Data Structures, Dynamic Programming 30p 11.1% 1
DMOPC '21 Contest 9 P6 - Shortest Paths DMOPC Advanced Math, Dynamic Programming, Graph Theory 30p 33.3% 10
Baltic OI '04 P3 - Sequence Baltic OI Data Structures, Dynamic Programming 30p 30.8% 7
DMOPC '22 Contest 3 P4 - Sketchy Cereal DMOPC Dynamic Programming 30p 4.9% 22
ETSR '23 Onsite Round 2 Problem 3 - Trees Uncategorized Dynamic Programming 30p 2.2% 8
CCO '23 P3 - Line Town CCO Ad Hoc, Data Structures, Dynamic Programming 30p 10.7% 21
CCO '23 P5 - Travelling Trader CCO Dynamic Programming, Graph Theory 30p 7.9% 17
NOI '17 P3 - Pool China NOI Advanced Math, Dynamic Programming 30p 38.9% 3
IOI '23 P3 - Soccer Stadium IOI Dynamic Programming 30p 4.7% 12
UTS Open '15 #3 - Pogo Uncategorized Advanced Math, Dynamic Programming 25p 24.6% 110
JOI '14 Open P5 - Pinball JOI Data Structures, Dynamic Programming 25p 26.3% 91
CCO '13 P6 - Repetitivity CCO Dynamic Programming 25p 42.0% 197
CCO Preparation Test 3 P2 - Packing Up Mock CCO Dynamic Programming 25p 14.9% 117
COI '07 #4 Umnožak COCI Dynamic Programming 25p 11.9% 44
ICPC PACNW 2016 D - Contest Strategy ICPC Dynamic Programming 25 60.0% 3
TLE '17 Contest 2 P6 - Save Jody! TLE Advanced Math, Dynamic Programming 25p 5.2% 6