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Problem Category Points ▾ AC % Users
Terminus Est Uncategorized 50p 9.4% 46
IOI '16 P6 - Aliens IOI 50p 8.9% 33
IOI '18 P6 - Meetings IOI 50p 20.8% 4
Dynamic Tree Test Data Structure Tests 50 13.6% 3
Kongou Mock CCC 50p 1.3% 15
CCO '08 P6 - Landing CCO 50 7.0% 5
Phantom's Python Challenge Fun Math 40p 13.5% 40
UTS Open '15 #6 - Tetrahedra Uncategorized 40p 15.2% 24
Akame Uncategorized 40p 8.5% 39
Maintaining a Sequence Uncategorized 40p 18.3% 20
IOI '15 P6 - Towns IOI 40p 18.8% 46
IOI '14 P6 - Holiday IOI 40 15.2% 30
IOI '13 P3 - Wombats IOI 40p 16.5% 30
IOI '16 P2 - Railroads IOI 40p 33.0% 30
IOI '16 P3 - Shortcut IOI 40p 4.7% 29
IOI '13 P6 - Game IOI 40p 7.0% 41
IOI '17 P5 - Simurgh IOI 40p 1.9% 2
COCI '14 Contest 5 #6 Divljak COCI 40p 25.3% 23
Fox Socks FHC 40 19.6% 8
Fox Rocks FHC 40p 47.7% 9
Mine and Tree Seasonal 40p 17.2% 58
JOI '14 - Space Pirate JOI 40p 3.1% 4
JOI '13 - Synchronization JOI 40p 12.5% 8
CCO '11 P5 - Fixing Disks CCO 40p 16.7% 3
CCO '14 P6 - Gates CCO 40p 5.6% 9
CCO Preparation Test 3 - Primitive Pythagorean Pairs CCO 40p 12.9% 30
CCO Preparation Test 3 - Arrow CCO 40p 15.5% 54
Dynamic MST CCO 40p 10.0% 23
CCO '18 P5 - Boring Lectures (Online Version) CCO 40p 9.9% 20
APIO '16 P2 - Fireworks APIO 40p 45.8% 18
APIO '12 P3 - Kunai APIO 40p 8.9% 12
IOI '15 P3 - Teams IOI 35p 8.5% 28
COCI '08 Contest 2 #6 Cavli COCI 35p 9.5% 14
Back to School '17: Big Integer Seasonal 35p 2.8% 96
TLE '16 Contest 2 P6 - The Great Search TLE 35p 28.4% 11
TLE '17 Contest 1 P6 - Investment TLE 35p 16.7% 6
Bubble Cup V9 A Cowboy Beblop at his computer Bubble Cup 35 25.8% 4
A Times B Fun Math 30p 4.9% 221
Matrix Determinant Fun Math 30p 16.1% 97
Fast Factorial Calculator 2 Fun Math 30p 13.0% 76
Esdeath Uncategorized 30p 13.6% 105
NO ACM NO LIFE Uncategorized 30p 21.4% 32
IOI '14 P1 - Rail IOI 30p 11.9% 56
IOI '14 P5 - Friend IOI 30p 32.3% 30
IOI '11 P5 - Dancing Elephants IOI 30p 21.9% 9
IOI '18 P3 - Werewolf IOI 30p 15.0% 3
DMOPC '14 Contest 5 P5 - Aircraft Carrier Akagi DMOPC 30p 46.3% 21
DMPG '15 G3 - Kinako Bread 2 DMOPC 30p 14.5% 37
DMOPC '15 Contest 3 P6 - Gala DMOPC 30p 12.5% 28
DMPG '16 G6 - SAO Queries DMOPC 30p 4.6% 29