Problems

Problem Category Points ▾ AC % Users
JOI '14 Open P3 - Space Pirate JOI 50p 1.6% 1
String Test Data Structure Tests 50 3.4% 2
Link Cut Tree Uncategorized 50 0.6% 5
NOI '10 P6 - Happily Growing China NOI 50p 2.6% 2
Rubik's Cube Solver Uncategorized 50p 0.7% 2
CCO '21 P6 - Loop Town CCO 50p 4.8% 13
Dream and the Multiverse Uncategorized 50p 5.2% 2
EGOI '23 P8 - Guessing Game EGOI 50p 3.9% 6
CCO '08 P6 - Landing CCO 45 20.0% 38
Dynamic Tree Test Data Structure Tests 45 30.0% 32
Bohemian Rhaksody Uncategorized 45p 5.1% 10
IOI '09 P1 - Archery IOI 45p 13.4% 37
NOI '20 P6 - Road China NOI 45p 3.3% 1
A Math Contest P17 - Heatwaves Uncategorized 45 36.4% 3
JOI '21 Spring Camp Day 1 P1 - Aerobatics JOI 45p 0.0% 0
APIO '23 P3 - Alice, Bob, and Circuit APIO 45p 0.0% 0
Phantom's Python Challenge Uncategorized 40p 0.7% 10
COCI '14 Contest 5 #6 Divljak COCI 40p 16.6% 29
UTS Open '15 #6 - Tetrahedra Uncategorized 40p 30.1% 26
Mock CCC '15 S5 - Kongou Mock CCC 40p 3.9% 13
CCO '11 P5 - Fixing Disks CCO 40p 7.7% 6
CCO '14 P6 - Gates CCO 40p 9.0% 13
IOI '15 P6 - Towns IOI 40p 15.5% 59
IOI '13 P3 - Wombats IOI 40p 13.1% 37
IOI '16 P3 - Shortcut IOI 40p 9.2% 15
APIO '16 P2 - Fireworks APIO 40p 31.6% 47
APIO '12 P3 - Kunai APIO 40p 12.2% 26
IOI '17 P5 - Simurgh IOI 40p 12.2% 16
Baltic OI '07 P2 - Sorting Baltic OI 40p 11.0% 7
IOI '11 P5 - Dancing Elephants IOI 40p 9.9% 38
IOI '18 P2 - Seats IOI 40p 25.0% 7
TLE 2018-19 P5 - Pure Functional Programming Seasonal 40p 2.3% 3
TLE 2018-19 P6 - The Final Test Seasonal 40p 0.5% 1
IOI '08 P6 - Pyramid Base IOI 40p 12.7% 7
CEOI '18 P4 - Fibonacci Representations CEOI 40p 38.2% 8
ACM-ICPC World Finals 2007 Problem J - Tunnels ICPC 40 26.3% 11
IOI '19 P2 - Split the Attractions IOI 40p 5.1% 26
IOI '19 P6 - Sky Walking IOI 40p 9.6% 12
Fast Factorial Calculator 3 Uncategorized 40 2.5% 8
Facebook Hacker Cup '19 Final Round P6 - Temporal Revision FHC 40p 70.0% 5
COCI '09 Contest 2 #5 Poslozi COCI 40 0.4% 2
NOI '00 P6 - Symbol Deciphering China NOI 40p 1.6% 1
NOI '08 P6 - Tournament Matching China NOI 40p 17.8% 4
NOI '07 P3 - Surrounding Battalions China NOI 40p 0.0% 0
NOI '07 P6 - Thief Catching China NOI 40p 23.7% 4
NOI '12 P3 - Magic Chessboard China NOI 40p 6.2% 10
NOI '12 P6 - Triple Town China NOI 40p 0.0% 0
MMM '14 G - Campfire Cooking Uncategorized 40p 2.7% 3
IOI '07 P6 - Training IOI 40p 27.8% 66
Facebook Hacker Cup '14 Final Round P3 - Fortunate Wheels Uncategorized 40 14.7% 9