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Problem Category Points ▾ AC % Users
JOI '14 Open P3 - Space Pirate JOI 50p 2.1% 1
String Test Data Structure Tests 50 5.3% 2
Fast Factorial Calculator 3 Fun Math 50 2.3% 5
Link Cut Tree Uncategorized 50 0.4% 4
NOI '09 P6 - Tracing China NOI 50p 8.8% 2
NOI '10 P6 - Happily Growing China NOI 50p 0.0% 0
Rubik's Cube Solver Uncategorized 50p 0.7% 1
CCO '21 P6 - Loop Town CCO 50p 2.9% 5
CCO '08 P6 - Landing CCO 45 20.9% 32
Dynamic Tree Test Data Structure Tests 45 27.8% 16
Bohemian Rhaksody Uncategorized 45p 4.9% 8
IOI '09 P1 - Archery IOI 45p 11.1% 23
Phantom's Python Challenge Fun Math 40p 0.1% 2
COCI '14 Contest 5 #6 Divljak COCI 40p 18.6% 25
UTS Open '15 #6 - Tetrahedra Uncategorized 40p 31.6% 21
Kongou Mock CCC 40p 3.4% 11
CCO '11 P5 - Fixing Disks CCO 40p 7.7% 6
CCO '14 P6 - Gates CCO 40p 8.0% 11
IOI '15 P6 - Towns IOI 40p 16.3% 46
IOI '13 P3 - Wombats IOI 40p 12.7% 28
IOI '16 P3 - Shortcut IOI 40p 10.1% 17
Google Code Jam World Finals 2016 - Integeregex GCJ 40 29.2% 4
APIO '16 P2 - Fireworks APIO 40p 34.5% 28
APIO '12 P3 - Kunai APIO 40p 11.2% 19
IOI '17 P5 - Simurgh IOI 40p 10.5% 10
Baltic OI '07 P2 - Sorting Baltic OI 40p 11.1% 6
IOI '11 P5 - Dancing Elephants IOI 40p 10.6% 30
Balkan OI '11 P5 - Time Is Money Balkan OI 40p 17.0% 21
TLE 2018-19 P1 - Hello, World! Seasonal 40p 3.4% 11
TLE 2018-19 P5 - Pure Functional Programming Seasonal 40p 2.3% 2
TLE 2018-19 P6 - The Final Test Seasonal 40p 0.7% 1
IOI '08 P6 - Pyramid Base IOI 40p 100.0% 2
CEOI '18 P4 - Fibonacci Representations CEOI 40p 50.0% 7
ACM-ICPC World Finals 2007 Problem J - Tunnels ACM-ICPC 40 21.7% 9
IOI '19 P2 - Split the Attractions IOI 40p 10.7% 27
IOI '19 P6 - Sky Walking IOI 40p 13.2% 9
Temporal Revision FHC 40p 50.0% 2
NOI '00 P6 - Symbol Deciphering China NOI 40p 0.0% 0
NOI '08 P6 - Tournament Matching China NOI 40p 20.0% 3
NOI '07 P3 - Surrounding Battalions China NOI 40p 0.0% 0
NOI '07 P6 - Thief Catching China NOI 40p 39.5% 4
NOI '12 P3 - Magic Chessboard China NOI 40p 5.4% 4
NOI '12 P6 - Triple Town China NOI 40p 0.0% 0
Campfire Cooking Uncategorized 40p 0.6% 1
IOI '07 P6 - Training IOI 40p 26.6% 53
Fortunate Wheels Uncategorized 40 16.3% 8
Balkan OI '11 P1 - Two Circles Balkan OI 40p 18.2% 5
IOI '13 P3 - Wombats (Standard I/O) IOI 40p 6.7% 51
IOI '16 P3 - Shortcut (Standard I/O) IOI 40p 2.0% 5
IOI '20 P1 - Comparing Plants IOI 40p 5.4% 6