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Problem Category Points AC % Users ▾
JOI '19 Open P2 - Remittance JOI 30p 23.8% 12
NOI '22 P1 - Major China NOI 25p 5.6% 12
Waterloo 2001 Fall 1 C - Babelfish Waterloo Local 5 28.9% 12
IOI '23 P3 - Soccer Stadium IOI 30p 4.7% 12
HHPC1 P5 - Yunity Grouping Objects Uncategorized 17p 33.7% 12
Amplitude Hackathon '23 Problem 6 - Journeys Uncategorized 10p 26.4% 12
COCI '23 Contest 5 #2 Bitovi COCI 10p 10.2% 12
COCI '23 Contest 5 #3 Piratski Kod COCI 15p 37.8% 12
Infinity Card Decks Olympiads School 15p 15.7% 12
DMPG '16 G3 - Guerrilla Warfare DMOPC 20p 16.3% 11
DMPG '16 S6 - Black and White II DMOPC 15p 24.4% 11
New Year's '17 P8 - Boxen in Boxen Seasonal 25 6.5% 11
TLE '16 Contest 6 (Mock CCC) S4 - Bubble Sort TLE 25p 6.4% 11
Waterloo 2017 Winter E - Vera and Love Triangles Waterloo Local 25 37.8% 11
DMPG '17 G4 - Timeline DMOPC 20p 20.3% 11
ECOO '13 R2 P4 - Breaking Rocks ECOO 10p 60.9% 11
Waterloo 2017 Fall B - Biology Waterloo Local 5p 48.6% 11
DWITE '10 R4 #5 - Sleepwalking Probabilities DWITE 5 71.4% 11
DWITE '09 R6 #3 - Bill Amendments DWITE 5 25.5% 11
APIO '13 P1 - Robots APIO 20p 9.4% 11
Inaho X Uncategorized 7p 38.2% 11
Not an Aho-Corasick Problem Uncategorized 20 10.0% 11
CCO '97 P6 - Aligning DNA CCO 7 19.1% 11
CCO '00 P3 - The Game Of 31 CCO 15 54.5% 11
CCO '01 P2 - Coke or Chocolate Milk CCO 12 17.1% 11
ACM-ICPC World Finals 2007 Problem J - Tunnels ICPC 40 26.3% 11
DMOPC '19 Contest 1 P6 - Bob and Binary Strings DMOPC 25p 6.0% 11
Wesley's Anger Contest 2 Problem 4 - The Ninth Triangle of the Underworld WAC 20 14.1% 11
DMOPC '19 Contest 6 P5 - University Math DMOPC 30p 6.6% 11
CEOI '16 P5 - Popeala CEOI 25p 18.6% 11
CCO '06 P4 - CN Tower 2 CCO 30 5.4% 11
COCI '15 Contest 7 #5 Prosti COCI 15 18.2% 11
NOI '07 P5 - Counting Spanning Trees China NOI 30p 13.5% 11
NOI '13 P6 - Fast Food Restaurant China NOI 30p 7.9% 11
NOI '06 P6 - The Magical Bag China NOI 20p 18.8% 11
WC '15 Contest 2 J4 - The Force Awakens (Junior) Woburn Challenge 15p 2.3% 11
WC '17 Finals S4 - Ultimatum Woburn Challenge 17p 9.7% 11
Baltic OI '16 P2 - Park Baltic OI 20p 51.7% 11
Circular Numbers Uncategorized 10 15.8% 11
Balkan OI '11 P1 - Two Circles Balkan OI 30p 11.5% 11
ICPC SWERC 2017 A - Cakey McCakeFace ICPC 5 39.6% 11
COCI '20 Contest 2 #5 Svjetlo COCI 25p 54.5% 11
Mock CCC '21 S5 - Clique and Independent Set Mock CCC 25p 18.3% 11
COCI '16 Contest 4 #6 Osmosmjerka COCI 20p 23.0% 11
COCI '12 Contest 5 #5 Rotiraj COCI 15p 24.6% 11
DMOPC '21 Contest 1 P6 - Tree Jumping DMOPC 25p 24.7% 11
ICPC NEERC 2012 L - Labyrinth of the Minotaur ICPC 25 21.7% 11
UCRPC F21 H - Fetch Quest ICPC 12p 13.7% 11
DMOPC '21 Contest 6 P5 - Contraband Game DMOPC 25p 6.1% 11
Number Theoretic Transform Uncategorized 12 25.7% 11