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Problem Category Points ▾ AC % Users
Terminus Est Uncategorized 50p 9.7% 34
DOOM 2019 Uncategorized 50p 0.3% 2
Brandon's Cryptographically Secure Pseudorandom Number Generator Uncategorized 50p 0.0% 0
IOI '16 P6 - Aliens IOI 50p 6.6% 32
IOI '18 P6 - Meetings IOI 50p 10.2% 4
Dynamic Tree Test Data Structure Tests 50 31.5% 6
String Test Data Structure Tests 50 0.0% 0
Kongou Mock CCC 50p 1.2% 5
CCO '08 P6 - Landing CCO 50 12.9% 13
CEOI '19 P6 - Scissors and Tape CEOI 50p 100.0% 1
Hotline ACM-ICPC 50 15.8% 27
Phantom's Python Challenge Fun Math 40p 0.9% 7
UTS Open '15 #6 - Tetrahedra Uncategorized 40p 15.1% 13
Akame Uncategorized 40p 12.3% 39
IOI '15 P6 - Towns IOI 40p 17.0% 39
IOI '14 P6 - Holiday IOI 40 12.0% 34
IOI '13 P3 - Wombats IOI 40p 12.6% 25
IOI '16 P2 - Railroads IOI 40p 31.4% 24
IOI '16 P3 - Shortcut IOI 40p 4.6% 17
IOI '13 P6 - Game IOI 40p 7.6% 34
IOI '17 P5 - Simurgh IOI 40p 1.9% 1
IOI '10 P2 - Hotter Colder IOI 40 0.0% 0
IOI '19 P2 - Split the Attractions IOI 40p 100.0% 1
COCI '14 Contest 5 #6 Divljak COCI 40p 14.8% 16
COCI '18 Contest 4 #5 Akvizna COCI 40p 38.9% 12
Fox Socks FHC 40 15.9% 20
Fox Rocks FHC 40p 45.6% 9
Mine and Tree Seasonal 40p 17.7% 58
TLE 2018-19 P6 - The Final Test Seasonal 40 0.8% 1
Time Traveller Imaxblue Seasonal 40 3.3% 2
JOI '14 - Space Pirate JOI 40p 3.1% 1
JOI '13 - Synchronization JOI 40p 14.9% 10
CCO '11 P5 - Fixing Disks CCO 40p 5.1% 4
CCO '14 P6 - Gates CCO 40p 6.1% 6
CCO Preparation Test 3 - Primitive Pythagorean Pairs CCO 40p 11.9% 18
CCO Preparation Test 3 - Arrow CCO 40p 16.1% 41
Dynamic MST CCO 40p 14.8% 26
CCO '19 P3 - Winter Driving CCO 40p 8.3% 4
CCO '19 P4 - Card Scoring CCO 40p 16.9% 15
CEOI '18 P4 - Fibonacci Representations CEOI 40p 100.0% 2
ACM-ICPC World Finals 2007 Problem J - Tunnels ACM-ICPC 40 15.4% 4
APIO '16 P2 - Fireworks APIO 40p 29.7% 16
APIO '12 P3 - Kunai APIO 40p 9.8% 13
APIO '11 P3 - Guess My Word! APIO 40p 66.7% 1
BOI 2007 P2 - Sorting BOI 40p 9.8% 6
IOI '15 P3 - Teams IOI 35p 8.5% 20
Dynamic Tree Test (Easy) Data Structure Tests 35p 14.8% 5
COCI '08 Contest 2 #6 Cavli COCI 35p 10.0% 13
Back to School '17: Big Integer Seasonal 35p 3.1% 20
DS '19 Day 2 P3 Inaho C Seasonal 35p 18.2% 2