Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Types Points AC % ▾ Users
Mock CCO '18 Contest 2 Problem 6 - Victor's Cubes Mock CCO Dynamic Programming 20p 18.3% 9
CEOI '17 P6 - Chase CEOI Dynamic Programming 30p 18.3% 21
CCO '08 P5 - Candy CCO Dynamic Programming 7p 18.2% 235
VM7WC '16 #2 Gold - GGG VM7WC Dynamic Programming 15 18.2% 311
CCO '18 P3 - Fun Palace CCO Dynamic Programming 30p 18.1% 76
CCO '00 P6 - Extension Cords CCO Brute Force, Dynamic Programming, Simple Math 12 18.0% 7
ICPC SWERC 2017 E - Ingredients ICPC Dynamic Programming, Graph Theory 15 18.0% 3
COCI '15 Contest 2 #5 Vudu COCI Data Structures, Dynamic Programming 15p 18.0% 222
UCRPC F21 G - Snack Attack ICPC Dynamic Programming 10p 17.9% 21
SAC '22 Code Challenge 3 Junior P5 - Normal Encoding SAC Coding Challenge Dynamic Programming 10p 17.8% 33
CCC '14 S5 - Lazy Fox CCC Dynamic Programming 20p 17.8% 454
Mock CCC '19 Contest 1 S4 - Pusheen Plays Neko Atsume Mock CCC Dynamic Programming 12 17.8% 100
Baltic OI '13 P6 - Vim Baltic OI Dynamic Programming 20p 17.6% 3
NOIP '22 P3 - Facility Construction China NOI Dynamic Programming, Graph Theory 17p 17.6% 14
Yet Another Contest 6 P6 - No More Snakes and Ladders YAC Divide and Conquer, Dynamic Programming 17p 17.5% 21
ECOO '20 P4 - Ring ECOO Dynamic Programming, Simple Math 12p 17.3% 79
ACM U of T Tryouts C3 F - A Pleasant Stroll ICPC Dynamic Programming 15 17.2% 29
CCO '19 P3 - Winter Driving CCO Divide and Conquer, Dynamic Programming, Graph Theory 30p 17.1% 66
Mock CCC '19 Contest 1 J5 - Pusheen Designs a Sushi Boat Mock CCC Dynamic Programming 7p 17.1% 235
COI '20 #2 Cigle COCI Dynamic Programming 20p 17.1% 20
TLE '16 Contest 6 (Mock CCC) S3 - Hyper Fax TLE Dynamic Programming 15p 17.1% 152
CTU Open Contest 2017 - Shooting Gallery ICPC Dynamic Programming 10 17.0% 10
TLE '16 Contest 3 P5 - LAN Party TLE Ad Hoc, Dynamic Programming 15p 17.0% 46
Bank Notes Uncategorized Dynamic Programming 7 17.0% 143
Summer Institute '17 Contest 1 P1 - Ant Clans SIUCF Dynamic Programming, Graph Theory 20p 16.9% 30
BSSPC '22 P6 - Permutations & Primogems Uncategorized Dynamic Programming, Greedy Algorithms 10p 16.8% 108
CCC '18 S4 - Balanced Trees CCC Dynamic Programming 15p 16.8% 574
COCI '14 Contest 4 #6 Stanovi COCI Dynamic Programming 20p 16.8% 70
IOI '09 P8 - Salesman IOI Data Structures, Dynamic Programming 25p 16.8% 133
CCO Preparation Test 2 P3 - Subsets Mock CCO Ad Hoc, Dynamic Programming 20p 16.7% 39
COCI '11 Contest 2 #5 Funkcija COCI Dynamic Programming 15p 16.7% 4
Mock CCO '18 Contest 2 Problem 1 - Victor Runs Mock CCO Dynamic Programming 15p 16.5% 44
NOI '20 P2 - Destiny China NOI Data Structures, Dynamic Programming 25p 16.4% 12
ICPC NEERC Northern Subregional 2007 E - Elevator ICPC Dynamic Programming 17 16.4% 74
NOIP '18 Junior P3 - Shuttle Bus China NOI Dynamic Programming 12p 16.3% 6
COCI '16 Contest 1 #4 Mag COCI Dynamic Programming, Graph Theory 15p 16.1% 65
CCO '09 P6 - A Weighty Problem CCO Dynamic Programming 12p 16.1% 76
APIO '07 P2 - Backup APIO Dynamic Programming 25p 16.1% 69
Wesley's Anger Contest 1 Problem 5 - Rule of Four WAC Dynamic Programming, Graph Theory 20p 16.1% 31
COCI '11 Contest 5 #5 Blokovi COCI Dynamic Programming 20p 16.0% 3
Mock CCC '22 Contest 2 J5 - Dominating the Olympics Mock CCC Dynamic Programming, Graph Theory 10 16.0% 76
DMOPC '20 Contest 2 P6 - Unfair Game DMOPC Dynamic Programming, Game Theory 25p 16.0% 26
HCI '16 - Danger Room Uncategorized Dynamic Programming 7p 15.9% 23
DMPG '17 B5 - Hackathons DMOPC Dynamic Programming 7p 15.9% 159
ICPC NAQ 2016 D - Brackets ICPC Dynamic Programming 15 15.9% 60
NOI '06 P3 - Millennium Worm China NOI Dynamic Programming 25p 15.9% 7
VM7WC '15 #3 Gold - Pollos VM7WC Dynamic Programming 12 15.9% 48
Mock CCO '19 Contest 2 Problem 6 - A Fundraising Problem Mock CCO Dynamic Programming, Graph Theory 12p 15.8% 28
MWC '15 #8 P3: Draw Down MWC Dynamic Programming 12p 15.8% 14
CPC '19 Contest 1 P3 - Admiral Kuznetsov Uncategorized Dynamic Programming 12p 15.8% 76