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Problem Category Points ▾ AC % Users
Terminus Est Uncategorized 50p 9.3% 31
IOI '16 P6 - Aliens IOI 50p 9.0% 25
IOI '18 P6 - Meetings IOI 50p 20.0% 2
Dynamic Tree Test Data Structure Tests 50 13.0% 3
Kongou Mock CCC 50p 1.3% 15
CCO '07 P4 - Gerrymandering CCO 50 0.4% 1
CCO '08 P6 - Landing CCO 50 8.1% 6
Phantom's Python Challenge Fun Math 40p 14.6% 48
UTS Open '15 #6 - Tetrahedra Uncategorized 40p 15.2% 13
Akame Uncategorized 40p 12.1% 36
Maintaining a Sequence Uncategorized 40p 9.9% 23
IOI '15 P6 - Towns IOI 40p 18.4% 37
IOI '14 P6 - Holiday IOI 40 15.2% 30
IOI '13 P3 - Wombats IOI 40p 16.6% 21
IOI '16 P2 - Railroads IOI 40p 32.6% 20
IOI '16 P3 - Shortcut IOI 40p 4.7% 16
IOI '13 P6 - Game IOI 40p 8.4% 42
IOI '17 P5 - Simurgh IOI 40p 2.0% 1
COCI '14 Contest 5 #6 Divljak COCI 40p 25.6% 14
Fox Socks FHC 40 18.6% 11
Fox Rocks FHC 40p 47.7% 9
Mine and Tree Seasonal 40p 17.7% 58
JOI '14 - Space Pirate JOI 40p 3.1% 1
JOI '13 - Synchronization JOI 40p 13.7% 9
CCO '11 P5 - Fixing Disks CCO 40p 7.7% 3
CCO '14 P6 - Gates CCO 40p 5.6% 5
CCO Preparation Test 3 - Primitive Pythagorean Pairs CCO 40p 12.9% 17
CCO Preparation Test 3 - Arrow CCO 40p 15.5% 36
Dynamic MST CCO 40p 10.5% 21
CCO '18 P5 - Boring Lectures (Online Version) CCO 40p 9.3% 18
APIO '16 P2 - Fireworks APIO 40p 39.6% 13
APIO '12 P3 - Kunai APIO 40p 8.7% 10
IOI '15 P3 - Teams IOI 35p 8.5% 28
Dynamic Tree Test (Easy) Data Structure Tests 35p 47.6% 3
COCI '08 Contest 2 #6 Cavli COCI 35p 9.5% 11
Back to School '17: Big Integer Seasonal 35p 3.0% 19
TLE '16 Contest 2 P6 - The Great Search TLE 35p 28.4% 6
TLE '17 Contest 1 P6 - Investment TLE 35p 16.7% 5
Bubble Cup V9 A Cowboy Beblop at his computer Bubble Cup 35 25.0% 5
Matrix Determinant Fun Math 30p 16.5% 54
NO ACM NO LIFE Uncategorized 30p 21.3% 33
IOI '14 P1 - Rail IOI 30p 11.9% 32
IOI '14 P5 - Friend IOI 30p 32.6% 28
IOI '11 P5 - Dancing Elephants IOI 30p 5.6% 7
IOI '18 P3 - Werewolf IOI 30p 13.6% 3
DMOPC '14 Contest 5 P5 - Aircraft Carrier Akagi DMOPC 30p 46.3% 15
DMPG '15 G3 - Kinako Bread 2 DMOPC 30p 15.0% 40
DMOPC '15 Contest 3 P6 - Gala DMOPC 30p 12.4% 33
DMPG '16 G6 - SAO Queries DMOPC 30p 4.6% 17
DMOPC '16 Contest 2 P6 - Console Simulator 2017 DMOPC 30p 7.0% 6