Problems

Problem Category Types Points ▴ AC % Users
DMOPC '21 Contest 2 P5 - Permutations DMOPC Dynamic Programming 25p 15.4% 15
NOI '20 P2 - Destiny China NOI Data Structures, Dynamic Programming 25p 16.4% 12
NOIP '18 P6 - Defending the Kingdom China NOI Data Structures, Dynamic Programming 25p 13.0% 5
COCI '21 Contest 2 #4 Magneti COCI Dynamic Programming, Intermediate Math 25p 25.6% 29
Baltic OI '08 P1 - Game Baltic OI Dynamic Programming 25p 12.5% 2
DMOPC '21 Contest 6 P5 - Contraband Game DMOPC Dynamic Programming 25p 6.1% 11
COI '15 #1 Dijamant COCI Dynamic Programming, Graph Theory 25p 44.4% 8
COI '15 #4 Torrent COCI Dynamic Programming 25p 35.2% 22
DMOPC '21 Contest 8 P5 - Tree Building DMOPC Dynamic Programming 25p 9.2% 33
CCO '22 P3 - Double Attendance CCO Dynamic Programming, Graph Theory 25p 7.4% 28
JOI '21 Open P2 - Financial Report JOI Dynamic Programming 25p 34.0% 13
CEOI '09 P2 - Harbingers CEOI Data Structures, Dynamic Programming, Graph Theory 25p 12.8% 23
IOI '22 P1 - Catfish Farm IOI Data Structures, Dynamic Programming 25p 8.1% 44
Ancient Castle Ruins Uncategorized Dynamic Programming 25p 2.9% 1
NOI '23 P2 - Osmanthus Tree China NOI Dynamic Programming, Intermediate Math 25p 26.3% 5
IOI '23 P1 - Closing Time IOI Dynamic Programming, Graph Theory, Greedy Algorithms 25p 4.6% 20
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% 81
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% 66
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 6.1% 63
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 9.9% 22
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
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