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Hot problems

Problem Category Types Points AC % Users
IOI '14 P6 - Holiday IOI Ad Hoc 30 16.0% 81
IOI '14 P6 - Holiday (Standard I/O) IOI Ad Hoc 30 12.2% 132
IOI '14 Practice Task 1 - Square IOI Dynamic Programming 10p 45.9% 166
IOI '14 Practice Task 2 - Station IOI Greedy Algorithms 7p 57.9% 50
IOI '14 Practice Task 3 - Tile IOI Divide and Conquer 10p 28.0% 55
IOI '15 P1 - Boxes with Souvenirs IOI Ad Hoc 15p 13.4% 98
IOI '15 P1 - Boxes with Souvenirs (Standard I/O) IOI Ad Hoc 15p 8.3% 188
IOI '15 P2 - Scales IOI Ad Hoc 25p 6.8% 23
IOI '15 P3 - Teams IOI Ad Hoc 35p 8.8% 34
IOI '15 P3 - Teams (Standard I/O) IOI Ad Hoc 35p 3.4% 37
IOI '15 P4 - Horses IOI Ad Hoc 15p 11.4% 102
IOI '15 P4 - Horses (Standard I/O) IOI Ad Hoc 15p 7.6% 162
IOI '15 P5 - Sorting IOI Ad Hoc 25p 21.8% 71
IOI '15 P5 - Sorting (Standard I/O) IOI Ad Hoc 25p 18.6% 186
IOI '15 P6 - Towns IOI Ad Hoc, Graph Theory 40p 15.5% 59
IOI '16 P1 - Detecting Molecules IOI Greedy Algorithms 12p 11.8% 154
IOI '16 P1 - Detecting Molecules (Standard I/O) IOI Greedy Algorithms 12p 14.1% 230
IOI '16 P2 - Roller Coaster Railroad IOI Ad Hoc, Graph Theory 35p 45.1% 35
IOI '16 P2 - Roller Coaster Railroad (Standard I/O) IOI Ad Hoc, Graph Theory 35p 12.5% 25
IOI '16 P3 - Shortcut IOI Graph Theory 40p 9.0% 15
IOI '16 P3 - Shortcut (Standard I/O) IOI Graph Theory 40p 1.8% 7
IOI '16 P4 - Paint by Numbers IOI Ad Hoc 15p 12.6% 53
IOI '16 P4 - Paint by Numbers (Standard I/O) IOI Ad Hoc 15p 10.0% 63
IOI '16 P5 - Unscrambling a Messy Bug IOI Divide and Conquer, Interactive 20p 17.7% 65
IOI '16 P6 - Aliens IOI Dynamic Programming 30p 7.1% 80
IOI '16 P6 - Aliens (Standard I/O) IOI Dynamic Programming 30p 6.0% 62
IOI '17 P1 - Nowruz IOI Graph Theory 20p 0.0% 0
IOI '17 P2 - Wiring IOI Ad Hoc 25p 15.5% 56
IOI '17 P3 - Toy Train IOI Ad Hoc 30p 17.3% 40
IOI '17 P4 - The Big Prize IOI Interactive 20p 10.5% 57
IOI '17 P5 - Simurgh IOI Graph Theory 40p 12.1% 16
IOI '17 P6 - Ancient Books IOI Ad Hoc 25p 11.4% 29
IOI '18 P1 - Combo IOI Interactive 15p 15.0% 179
IOI '18 P2 - Seats IOI Data Structures 40p 25.0% 7
IOI '18 P3 - Werewolf IOI Ad Hoc 30p 24.2% 56
IOI '18 P4 - Mechanical Doll IOI Ad Hoc, Graph Theory 20p 22.6% 13
IOI '18 P5 - Highway Tolls IOI Graph Theory, Interactive 30p 11.7% 14
IOI '18 P6 - Meetings IOI Data Structures 35p 12.0% 10
IOI '19 P1 - Arranging Shoes IOI Data Structures, Greedy Algorithms 15p 16.7% 136
IOI '19 P2 - Split the Attractions IOI Graph Theory 40p 5.1% 26
IOI '19 P3 - Rectangles IOI Data Structures 30p 6.9% 25
IOI '19 P4 - Broken Line IOI Ad Hoc 35p 2.3% 4
IOI '19 P5 - Vision Program IOI Ad Hoc, Interactive 20p 8.0% 32
IOI '19 P6 - Sky Walking IOI Graph Theory 40p 9.6% 12
IOI '20 P1 - Comparing Plants IOI Ad Hoc, Data Structures 40p 6.4% 17
IOI '20 P2 - Connecting Supertrees IOI Graph Theory 15p 14.0% 54
IOI '20 P3 - Carnival Tickets IOI Ad Hoc, Greedy Algorithms 20p 11.8% 37
IOI '20 P4 - Packing Biscuits IOI Dynamic Programming, Simple Math 25p 12.7% 14
IOI '20 P5 - Counting Mushrooms IOI Ad Hoc, Interactive 35p 2.5% 3
IOI '20 P6 - Stations IOI Ad Hoc, Graph Theory 20p 14.0% 21