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Hot problems

Problem Category Points AC % Users
IOI '15 P6 - Towns IOI 40p 14.5% 62
IOI '16 P1 - Detecting Molecules IOI 12p 12.3% 187
IOI '16 P1 - Detecting Molecules (Standard I/O) IOI 12p 15.2% 274
IOI '16 P2 - Roller Coaster Railroad IOI 35p 41.6% 41
IOI '16 P2 - Roller Coaster Railroad (Standard I/O) IOI 35p 13.5% 29
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 11.7% 64
IOI '16 P4 - Paint by Numbers (Standard I/O) IOI 15p 10.3% 68
IOI '16 P5 - Unscrambling a Messy Bug IOI 20p 18.5% 72
IOI '16 P6 - Aliens IOI 30p 7.5% 101
IOI '16 P6 - Aliens (Standard I/O) IOI 30p 6.8% 82
IOI '17 P1 - Nowruz IOI 20p 0.3% 1
IOI '17 P2 - Wiring IOI 25p 16.2% 74
IOI '17 P3 - Toy Train IOI 30p 17.4% 42
IOI '17 P4 - The Big Prize IOI 20p 11.0% 68
IOI '17 P5 - Simurgh IOI 40p 13.7% 21
IOI '17 P6 - Ancient Books IOI 25p 10.8% 35
IOI '18 P1 - Combo IOI 15p 15.1% 222
IOI '18 P2 - Seats IOI 40p 10.2% 15
IOI '18 P3 - Werewolf IOI 30p 22.8% 66
IOI '18 P4 - Mechanical Doll IOI 20p 18.9% 20
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 14.2% 189
IOI '19 P2 - Split the Attractions IOI 40p 5.2% 37
IOI '19 P3 - Rectangles IOI 30p 5.8% 28
IOI '19 P4 - Broken Line IOI 35p 1.8% 4
IOI '19 P5 - Vision Program IOI 20p 9.0% 43
IOI '19 P6 - Sky Walking IOI 40p 9.4% 12
IOI '20 P1 - Comparing Plants IOI 40p 7.0% 23
IOI '20 P2 - Connecting Supertrees IOI 15p 7.6% 87
IOI '20 P3 - Carnival Tickets IOI 20p 14.1% 59
IOI '20 P4 - Packing Biscuits IOI 25p 14.0% 29
IOI '20 P5 - Counting Mushrooms IOI 35p 3.9% 8
IOI '20 P6 - Stations IOI 20p 12.3% 34
IOI '21 P1 - Distributing Candies IOI 30p 13.4% 40
IOI '21 P2 - Keys IOI 25p 10.0% 18
IOI '21 P3 - Fountain Parks IOI 30p 7.4% 12
IOI '21 P4 - Mutating DNA IOI 12p 21.2% 119
IOI '21 P5 - Dungeons Game IOI 30p 6.5% 13
IOI '21 P6 - Bit Shift Registers IOI 30p 13.9% 11
IOI '22 P1 - Catfish Farm IOI 25p 7.6% 68
IOI '22 P2 - Prisoner Challenge IOI 25p 8.8% 34
IOI '22 P3 - Radio Towers IOI 30p 7.2% 21
IOI '22 P4 - Digital Circuit IOI 25p 25.1% 46
IOI '22 P5 - Rarest Insects IOI 30p 6.8% 36
IOI '22 P6 - Thousands Islands IOI 30p 3.7% 10
IOI '23 P1 - Closing Time IOI 25p 3.8% 29
IOI '23 P2 - Longest Trip IOI 25p 3.9% 24