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Hot problems

Problem Category ▾ Points AC % Users
IOI '06 P1 - Deciphering the Mayan Writing IOI 7p 39.5% 433
IOI '08 P3 - Fish IOI 35p 9.9% 63
IOI '12 P1 - Pebbling Odometer IOI 30p 2.9% 4
IOI '07 P5 - Pairs IOI 25p 10.1% 117
IOI '06 P4 - The Valley of Mexico IOI 15p 22.0% 214
IOI '12 P4 - Ideal City (Standard I/O) IOI 25p 46.7% 6
IOI '09 P1 - Archery IOI 45p 13.4% 37
IOI '07 P2 - Flood IOI 25p 45.0% 135
IOI '11 P1 - Tropical Garden (Standard I/O) IOI 25p 11.8% 167
IOI '11 P2 - Race (Standard I/O) IOI 17p 15.2% 536
IOI '11 P3 - Rice Hub (Standard I/O) IOI 15p 19.4% 496
IOI '11 P4 - Crocodile's Underground City (Standard I/O) IOI 17p 19.1% 374
IOI '11 P5 - Dancing Elephants (Standard I/O) IOI 20p 10.6% 93
IOI '04 P2 - Hermes (Hard) IOI 20p 8.1% 9
IOI '12 P2 - Parachute Rings (Standard I/O) IOI 25p 11.5% 111
IOI '12 P3 - Crayfish Scrivener (Standard I/O) IOI 15p 16.8% 276
IOI '13 P1 - Dreaming (Standard I/O) IOI 15p 18.4% 532
IOI '13 P2 - Art Class (Standard I/O) IOI 20p 2.7% 90
IOI '13 P3 - Wombats (Standard I/O) IOI 40p 9.5% 60
IOI '13 P5 - Robots (Standard I/O) IOI 20p 15.0% 278
IOI '13 P6 - Game (Standard I/O) IOI 17p 8.4% 150
IOI '14 P2 - Wall (Standard I/O) IOI 20p 15.9% 286
IOI '14 P4 - Gondola (Standard I/O) IOI 15 8.5% 222
IOI '14 P5 - Friend (Standard I/O) IOI 30p 18.2% 189
IOI '14 P6 - Holiday (Standard I/O) IOI 30p 12.3% 135
IOI '15 P1 - Boxes with Souvenirs (Standard I/O) IOI 15p 8.2% 189
IOI '15 P3 - Teams (Standard I/O) IOI 35p 3.4% 37
IOI '15 P4 - Horses (Standard I/O) IOI 15p 7.6% 162
IOI '15 P5 - Sorting (Standard I/O) IOI 25p 18.6% 186
IOI '16 P1 - Detecting Molecules (Standard I/O) IOI 12p 14.1% 230
IOI '16 P2 - Roller Coaster Railroad (Standard I/O) IOI 35p 12.9% 26
IOI '16 P3 - Shortcut (Standard I/O) IOI 40p 1.8% 7
IOI '16 P4 - Paint by Numbers (Standard I/O) IOI 15p 10.0% 63
IOI '16 P6 - Aliens (Standard I/O) IOI 30p 6.1% 63
IOI '10 P6 - Traffic Congestion (Standard I/O) IOI 10p 33.0% 416
IOI '10 P3 - Quality of Living (Standard I/O) IOI 15p 28.1% 338
IOI '20 P2 - Connecting Supertrees IOI 15p 13.8% 54
IOI '20 P3 - Carnival Tickets IOI 20p 11.8% 37
IOI '20 P1 - Comparing Plants IOI 40p 6.4% 17
IOI '20 P4 - Packing Biscuits IOI 25p 13.4% 15
IOI '20 P5 - Counting Mushrooms IOI 35p 2.5% 3
IOI '20 P6 - Stations IOI 20p 14.5% 22
IOI '21 P1 - Distributing Candies IOI 30p 13.4% 29
IOI '21 P2 - Keys IOI 25p 10.9% 14
IOI '21 P3 - Fountain Parks IOI 30p 4.8% 7
IOI '21 P4 - Mutating DNA IOI 12p 28.9% 75
IOI '21 P5 - Dungeons Game IOI 30p 8.1% 9
IOI '21 P6 - Bit Shift Registers IOI 30p 13.8% 8
IOI '18 P5 - Highway Tolls IOI 30p 11.7% 14
IOI '18 P4 - Mechanical Doll IOI 20p 22.6% 13