Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Points AC % Users
IOI '12 P3 - Crayfish Scrivener IOI 15p 31.1% 85
IOI '12 P3 - Crayfish Scrivener (Standard I/O) IOI 15p 16.6% 277
IOI '12 P4 - Ideal City IOI 25p 23.6% 12
IOI '12 P4 - Ideal City (Standard I/O) IOI 25p 50.0% 7
IOI '12 P5 - Last Supper IOI 30p 21.7% 9
IOI '12 P6 - Jousting Tournament IOI 17p 17.0% 21
IOI '12 P6 - Jousting Tournament (Standard I/O) IOI 17p 19.8% 16
IOI '13 P1 - Dreaming IOI 15p 23.2% 239
IOI '13 P1 - Dreaming (Standard I/O) IOI 15p 18.5% 545
IOI '13 P2 - Art Class (Standard I/O) IOI 20p 2.9% 93
IOI '13 P3 - Wombats IOI 40p 13.2% 38
IOI '13 P3 - Wombats (Standard I/O) IOI 40p 9.6% 60
IOI '13 P4 - Cave IOI 10p 18.8% 330
IOI '13 P5 - Robots IOI 20p 18.8% 98
IOI '13 P5 - Robots (Standard I/O) IOI 20p 15.2% 283
IOI '13 P6 - Game IOI 25p 9.0% 82
IOI '13 P6 - Game (Standard I/O) IOI 17p 8.4% 151
IOI '14 P1 - Rail IOI 30p 11.1% 51
IOI '14 P2 - Wall IOI 20p 25.0% 221
IOI '14 P2 - Wall (Standard I/O) IOI 20p 16.1% 295
IOI '14 P3 - Game IOI 20p 28.0% 227
IOI '14 P4 - Gondola IOI 15p 11.4% 107
IOI '14 P4 - Gondola (Standard I/O) IOI 15 8.5% 224
IOI '14 P5 - Friend IOI 30p 26.8% 107
IOI '14 P5 - Friend (Standard I/O) IOI 30p 18.0% 199
IOI '14 P6 - Holiday IOI 30p 15.8% 92
IOI '14 P6 - Holiday (Standard I/O) IOI 30p 12.7% 144
IOI '14 Practice Task 1 - Square IOI 10p 49.1% 202
IOI '14 Practice Task 2 - Station IOI 7p 51.6% 64
IOI '14 Practice Task 3 - Tile IOI 10p 28.3% 66
IOI '15 P1 - Boxes with Souvenirs IOI 15p 13.8% 108
IOI '15 P1 - Boxes with Souvenirs (Standard I/O) IOI 15p 8.4% 194
IOI '15 P2 - Scales IOI 25p 6.8% 25
IOI '15 P3 - Teams IOI 35p 8.8% 32
IOI '15 P3 - Teams (Standard I/O) IOI 35p 3.6% 38
IOI '15 P4 - Horses IOI 15p 11.5% 106
IOI '15 P4 - Horses (Standard I/O) IOI 15p 7.6% 164
IOI '15 P5 - Sorting IOI 25p 21.2% 71
IOI '15 P5 - Sorting (Standard I/O) IOI 25p 18.6% 186
IOI '15 P6 - Towns IOI 40p 15.5% 60
IOI '16 P1 - Detecting Molecules IOI 12p 11.9% 165
IOI '16 P1 - Detecting Molecules (Standard I/O) IOI 12p 14.2% 241
IOI '16 P2 - Roller Coaster Railroad IOI 35p 43.2% 37
IOI '16 P2 - Roller Coaster Railroad (Standard I/O) IOI 35p 12.9% 27
IOI '16 P3 - Shortcut IOI 40p 8.8% 15
IOI '16 P3 - Shortcut (Standard I/O) IOI 40p 1.7% 7
IOI '16 P4 - Paint by Numbers IOI 15p 12.5% 58
IOI '16 P4 - Paint by Numbers (Standard I/O) IOI 15p 10.3% 66
IOI '16 P5 - Unscrambling a Messy Bug IOI 20p 17.5% 68
IOI '16 P6 - Aliens IOI 30p 7.0% 85