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Hot problems

Problem Category Points AC % Users
IOI '15 P3 - Teams (Standard I/O) IOI 35p 3.8% 43
IOI '15 P4 - Horses IOI 15p 11.5% 122
IOI '15 P4 - Horses (Standard I/O) IOI 15p 7.7% 174
IOI '15 P5 - Sorting IOI 25p 18.8% 84
IOI '15 P5 - Sorting (Standard I/O) IOI 25p 18.5% 193
IOI '15 P6 - Towns IOI 40p 14.9% 62
IOI '16 P1 - Detecting Molecules IOI 12p 12.3% 183
IOI '16 P1 - Detecting Molecules (Standard I/O) IOI 12p 15.0% 266
IOI '16 P2 - Roller Coaster Railroad IOI 35p 42.4% 38
IOI '16 P2 - Roller Coaster Railroad (Standard I/O) IOI 35p 13.1% 28
IOI '16 P3 - Shortcut IOI 40p 8.7% 15
IOI '16 P3 - Shortcut (Standard I/O) IOI 40p 1.6% 7
IOI '16 P4 - Paint by Numbers IOI 15p 11.9% 64
IOI '16 P4 - Paint by Numbers (Standard I/O) IOI 15p 10.2% 67
IOI '16 P5 - Unscrambling a Messy Bug IOI 20p 18.7% 72
IOI '16 P6 - Aliens IOI 30p 7.4% 97
IOI '16 P6 - Aliens (Standard I/O) IOI 30p 6.7% 78
IOI '17 P1 - Nowruz IOI 20p 0.3% 1
IOI '17 P2 - Wiring IOI 25p 16.1% 73
IOI '17 P3 - Toy Train IOI 30p 17.4% 42
IOI '17 P4 - The Big Prize IOI 20p 10.9% 64
IOI '17 P5 - Simurgh IOI 40p 13.3% 20
IOI '17 P6 - Ancient Books IOI 25p 10.7% 33
IOI '18 P1 - Combo IOI 15p 15.2% 219
IOI '18 P2 - Seats IOI 40p 12.3% 14
IOI '18 P3 - Werewolf IOI 30p 23.4% 66
IOI '18 P4 - Mechanical Doll IOI 20p 23.3% 19
IOI '18 P5 - Highway Tolls IOI 30p 9.8% 18
IOI '18 P6 - Meetings IOI 35p 12.0% 12
IOI '19 P1 - Arranging Shoes IOI 15p 17.1% 176
IOI '19 P2 - Split the Attractions IOI 40p 5.3% 36
IOI '19 P3 - Rectangles IOI 30p 5.8% 27
IOI '19 P4 - Broken Line IOI 35p 1.8% 4
IOI '19 P5 - Vision Program IOI 20p 8.9% 42
IOI '19 P6 - Sky Walking IOI 40p 9.4% 12
IOI '20 P1 - Comparing Plants IOI 40p 6.5% 21
IOI '20 P2 - Connecting Supertrees IOI 15p 8.5% 85
IOI '20 P3 - Carnival Tickets IOI 20p 12.7% 53
IOI '20 P4 - Packing Biscuits IOI 25p 14.1% 23
IOI '20 P5 - Counting Mushrooms IOI 35p 4.1% 7
IOI '20 P6 - Stations IOI 20p 11.7% 33
IOI '21 P1 - Distributing Candies IOI 30p 13.0% 38
IOI '21 P2 - Keys IOI 25p 9.7% 17
IOI '21 P3 - Fountain Parks IOI 30p 6.2% 11
IOI '21 P4 - Mutating DNA IOI 12p 30.7% 105
IOI '21 P5 - Dungeons Game IOI 30p 6.4% 12
IOI '21 P6 - Bit Shift Registers IOI 30p 14.0% 11
IOI '22 P1 - Catfish Farm IOI 25p 7.5% 66
IOI '22 P2 - Prisoner Challenge IOI 25p 8.5% 32
IOI '22 P3 - Radio Towers IOI 30p 6.2% 19