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Problem Category Points ▾ AC % Users
IOI '13 P3 - Wombats (Standard I/O) IOI 40p 9.5% 60
IOI '16 P3 - Shortcut (Standard I/O) IOI 40p 1.8% 7
IOI '20 P1 - Comparing Plants IOI 40p 6.4% 17
JOI '20 Spring Camp Day 2 P3 - Ruins 3 JOI 40p 33.3% 2
NOI Winter Camp '09 P1 - A Shortest Path Problem China NOI 40p 50.4% 6
NOI '20 P3 - Tears China NOI 40p 9.0% 8
DMOPC '21 Contest 5 P5 - Permutations & Primes (Hard Version) DMOPC 40p 1.5% 2
COI '19 #1 Paint COCI 40p 6.5% 8
DMOPC '21 Contest 8 P6 - Castle Building DMOPC 40p 8.7% 15
NOI '22 Multi-Provincial Team Selection P3 - Community China NOI 40p 2.9% 1
NOI '22 Multi-Provincial Team Selection P6 - MIS China NOI 40p 8.3% 2
Baltic OI '14 P4 - Demarcation Baltic OI 40p 5.3% 1
NOI '22 P3 - Count China NOI 40p 0.0% 0
NOI '22 P6 - Quadratic Integer Program China NOI 40p 0.0% 0
NOI '17 P6 - Magic China NOI 40p 40.0% 2
JOI '23 Open P2 - Cell Automaton JOI 40p 0.0% 0
IOI '23 P6 - Robot Contest IOI 40p 3.4% 2
STNBD P6 - Terminus Est Uncategorized 35p 11.9% 54
Facebook Hacker Cup '15 Round 3 P4 - Fox Rocks FHC 35p 42.1% 13
JOI '13 Open P2 - Synchronization JOI 35p 29.2% 51
IOI '15 P3 - Teams IOI 35p 8.8% 34
TLE '16 Contest 2 P6 - The Great Search TLE 35p 31.4% 9
IOI '16 P2 - Roller Coaster Railroad IOI 35p 45.1% 35
Bubble Cup V9 A Cowboy Beblop at his computer Bubble Cup 35 15.7% 8
Google Code Jam '16 World Finals Problem A - Integeregex Google Code Jam 35 49.2% 6
Back To School '17: Big Integer Seasonal 35p 5.9% 27
TLE '17 Contest 1 P6 - Investment TLE 35p 16.9% 17
APIO '13 P2 - Toll APIO 35p 20.6% 13
IOI '18 P6 - Meetings IOI 35p 12.0% 10
DS '19 Day 2 P3 Inaho C Seasonal 35p 13.9% 6
COCI '18 Contest 1 #5 Teoretičar COCI 35p 31.7% 10
APIO '19 P3 - Street Lamps APIO 35p 10.9% 30
Back To School '19: Beautiful_Times' Fruit Scam Seasonal 35p 19.4% 4
IOI '19 P4 - Broken Line IOI 35p 2.3% 4
COCI '19 Contest 5 #3 Matching COCI 35p 20.0% 5
Wesley's Anger Contest 4 Problem 4 - The Almighty Acorn WAC 35p 6.8% 4
DMOPC '19 Contest 7 P7 - Fluid Dynamics DMOPC 35p 15.4% 15
CCO '20 P3 - Mountains and Valleys CCO 35p 5.8% 25
NOI '10 P5 - Route Planning China NOI 35p 5.7% 2
Baltic OI '17 P4 - Friends Baltic OI 35p 25.0% 5
IOI '08 P3 - Fish IOI 35p 9.9% 63
ICPC SWERC 2017 H - Kabobs ICPC 35 27.3% 3
IOI '15 P3 - Teams (Standard I/O) IOI 35p 3.4% 37
IOI '16 P2 - Roller Coaster Railroad (Standard I/O) IOI 35p 12.5% 25
ICPC PACNW 2010 I - Zombie Fences 2: Electric Boogaloo ICPC 35p 11.8% 2
IOI '20 P5 - Counting Mushrooms IOI 35p 2.5% 3
JOI '20 Spring Camp Day 3 P2 - Harvest JOI 35p 27.3% 5
DMOPC '20 Contest 5 P6 - Top Row DMOPC 35p 3.1% 5
COCI '21 Contest 1 #4 Set COCI 35p 23.7% 9
Mock CCC '22 1 S5 - Berkeley Math Tournament Awards Ceremony Mock CCC 35p 5.5% 7