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Problem Category Types Points AC % Users ▴
JOI '21 Open P2 - Financial Report JOI Dynamic Programming 25p 34.0% 13
MWC '15 #8 P3: Draw Down MWC Dynamic Programming 12p 15.8% 14
DWITE '10 R5 #4 - New type of wordplay DWITE Dynamic Programming, String Algorithms 15 5.7% 14
DMOPC '17 Contest 3 P5 - Picnic Planning DMOPC Dynamic Programming 15 23.5% 14
TLE '17 Contest 6 P5 - Speedrunning TLE Dynamic Programming, Graph Theory 17p 29.5% 14
IOI '20 P4 - Packing Biscuits IOI Dynamic Programming, Simple Math 25p 12.7% 14
COCI '17 Contest 5 #4 Karte COCI Dynamic Programming 15p 47.5% 14
Koala Ball Uncategorized Dynamic Programming, Intermediate Math 12p 32.2% 14
Baltic OI '03 P2 - Gems Baltic OI Dynamic Programming, Graph Theory 12p 46.9% 14
NOIP '22 P3 - Facility Construction China NOI Dynamic Programming, Graph Theory 17p 17.6% 14
Yet Another Contest 8 P6 - Into the Woods YAC Dynamic Programming, Graph Theory, Greedy Algorithms, Intermediate Math 20p 8.3% 14
NOI '99 P2 - Nails and Ball China NOI Dynamic Programming 15p 20.3% 15
NOI '04 P3 - Manhattan China NOI Dynamic Programming 25p 8.9% 15
UTS Open '21 P6 - Terra Mater Uncategorized Data Structures, Dynamic Programming 25p 6.3% 15
COCI '16 Contest 4 #5 Rima COCI Data Structures, Dynamic Programming 17p 12.9% 15
DMOPC '21 Contest 2 P5 - Permutations DMOPC Dynamic Programming 25p 15.4% 15
Baltic OI '08 P4 - Elections Baltic OI Dynamic Programming 12p 36.4% 15
Modern Art Uncategorized Dynamic Programming 17p 23.7% 15
Waterloo 2022 Fall B - Lightbulbs Waterloo Local Dynamic Programming 15 19.3% 15
ETSR '23 Online Round 2 Problem 4 - Queue Uncategorized Dynamic Programming 17p 5.0% 15
DMPG '16 G2 - Kabane Apocalypse DMOPC Ad Hoc, Dynamic Programming 20p 26.5% 16
CEOI '17 P3 - Mousetrap CEOI Dynamic Programming, Graph Theory 25p 14.4% 16
Back To School '19: FFT Fun Seasonal Dynamic Programming, Intermediate Math 20p 14.6% 16
GlobeX Cup '19 S5 - Alien Navigation Uncategorized Advanced Math, Dynamic Programming 20p 7.4% 16
Grid 3 Uncategorized Advanced Math, Dynamic Programming 20 38.5% 16
NOI '11 P5 - NOI Carnival China NOI Dynamic Programming 25p 19.5% 16
COCI '13 Contest 3 #5 Parovi COCI Dynamic Programming 12p 46.7% 16
TLE '17 Contest 3 P4 - Meatballs TLE Dynamic Programming 12p 5.9% 17
Mock CCC '18 Contest 1 S5 - A Palindrome Problem Mock CCC Dynamic Programming 15p 8.1% 17
Triway Cup '19 Summer A - Cave Escape Seasonal Dynamic Programming, Graph Theory 17 28.6% 17
ICPC SWERC 2017 D - Candy Chain ICPC Dynamic Programming 15 27.8% 17
Purple Lemon Uncategorized Dynamic Programming 7p 21.4% 17
CCO '23 P5 - Travelling Trader CCO Dynamic Programming, Graph Theory 30p 7.9% 17
TSOC '16 Contest 2 #2 - Oh My! TSOC Brute Force, Dynamic Programming 10 15.3% 18
DWITE '09 R5 #4 - Kind of like OCR DWITE Dynamic Programming, Implementation 7 46.3% 18
CCO '98 P5 - Text Segmentation CCO Dynamic Programming 10 23.7% 18
ACSL '09 Practice P5 - Fax Uncategorized Dynamic Programming 12p 29.3% 18
DMOPC '21 Contest 3 P5 - Crowded Travels DMOPC Data Structures, Dynamic Programming, Graph Theory 20p 20.8% 18
EGOI '22 P2 - Lego Wall EGOI Dynamic Programming, Intermediate Math 15p 12.2% 18
Mock CCC '24 Contest 1 S5 - Mock CCC 2025 Mock CCC Dynamic Programming 20p 14.2% 18
DMOPC '16 Contest 3 P5 - Shoe Shopping II DMOPC Dynamic Programming 15p 31.3% 19
DWITE '11 R2 #4 - Bear Trees DWITE Dynamic Programming, Graph Theory 10 21.6% 19
WC '02 P10 - The Final Battle Woburn Challenge Dynamic Programming 10 23.5% 19
Baltic OI '19 P5 - Necklace Baltic OI Ad Hoc, Dynamic Programming, String Algorithms 17p 11.7% 19
NOI '20 P4 - Dish China NOI Dynamic Programming, Greedy Algorithms 20p 7.6% 19
Baltic OI '08 P6 - Gloves Baltic OI Ad Hoc, Dynamic Programming 17p 13.0% 19
Baltic OI '10 P5 - Candies Baltic OI Ad Hoc, Dynamic Programming 17p 25.9% 19
Expected Value Uncategorized Dynamic Programming, Intermediate Math 15 24.5% 20
COCI '18 Contest 6 #5 Mobitel COCI Dynamic Programming 20p 30.7% 20
CEOI '18 P3 - Lottery CEOI Data Structures, Dynamic Programming 25p 40.0% 20