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Problem Category Points AC % Users ▴
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
NOIP '15 P5 - Substring China NOI 12p 38.6% 11
COI '13 #4 Nizovi COCI 20p 10.2% 11
DMOPC '22 Contest 2 P5 - Beautiful Bins DMOPC 30 8.2% 11
Yet Another Contest 5 P5 - No More Concerts YAC 20p 10.7% 11
Google Code Jam '08 Round 1A Problem A - Minimum Scalar Product Google Code Jam 5p 68.4% 11
IOI '23 P5 - Overtaking IOI 25p 6.1% 11
Waterloo 2023 Fall B - Orb Tent Waterloo Local 17 30.0% 11
Catching Their Flights Uncategorized 0p 3.4% 11
TSOC '16 Contest 2 #6 - Hinata and Volleyball Graph TSOC 7p 15.9% 12
ICPC ECNA 2016 B - Foosball Dynasty ICPC 10 19.7% 12
DMPG '17 G3 - Brackets, Braces, Boxes, and Arrows DMOPC 25 11.6% 12
ECOO '13 R3 P2 - Mutant Children ECOO 10p 35.9% 12
DWITE '07 R4 #5 - It all adds up DWITE 7 57.1% 12
DWITE '08 R5 #4 - Wiring the Server Room DWITE 15 22.6% 12
COCI '17 Contest 4 #5 Krov COCI 15p 25.0% 12
Mock CCO '18 Contest 3 Problem 1 - Roger Meets For DMPG Mock CCO 15p 9.6% 12
ECOO '18 R3 P1 - Balanced ECOO 12p 28.1% 12
CTU Open Contest 2018 - Lighting ICPC 12 42.9% 12
ECOO '19 R1 P4 - Bus Route ECOO 12 9.6% 12
DMPG '19 G6 - Pairs DMOPC 20p 25.0% 12
COCI '09 Contest 1 #6 Aladin COCI 25p 10.3% 12
IOI '19 P6 - Sky Walking IOI 40p 9.6% 12