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Hot problems

Problem Category ▴ Points AC % Users
IOI '05 P6 - Rivers IOI 20p 30.0% 286
IOI '07 P4 - Miners IOI 15p 21.2% 444
IOI '11 P6 - Parrots IOI 20p 3.6% 16
IOI '11 P1 - Tropical Garden IOI 25p 15.3% 38
IOI '18 P1 - Combo IOI 15p 15.0% 179
IOI '18 P2 - Seats IOI 40p 25.0% 7
IOI '18 P3 - Werewolf IOI 30p 24.0% 57
IOI '18 P6 - Meetings IOI 35p 12.0% 10
IOI '09 P7 - Regions IOI 20p 11.8% 55
IOI '07 P1 - Aliens IOI 12p 15.3% 21
IOI '08 P6 - Pyramid Base IOI 40p 12.5% 7
IOI '08 P4 - Teleporters IOI 25p 30.2% 13
IOI '05 P3 - Mountain IOI 20p 13.4% 299
IOI '05 P2 - Mean Sequence IOI 12p 20.9% 271
IOI '05 P4 - Birthday IOI 12p 15.7% 141
IOI '19 P1 - Arranging Shoes IOI 15p 16.4% 136
IOI '19 P2 - Split the Attractions IOI 40p 5.1% 26
IOI '19 P3 - Rectangles IOI 30p 6.9% 25
IOI '19 P6 - Sky Walking IOI 40p 9.6% 12
IOI '19 P5 - Vision Program IOI 20p 8.2% 33
IOI '19 P4 - Broken Line IOI 35p 2.3% 4
IOI '11 P4 - Crocodile's Underground City IOI 17p 28.4% 87
IOI '09 P2 - Hiring IOI 12p 32.3% 252
IOI '09 Practice Task 3 - Museum IOI 15p 48.5% 72
IOI '09 P5 - Garage IOI 7 46.4% 532
IOI '09 P8 - Salesman IOI 25p 16.8% 133
IOI '09 P3 - POI IOI 7 28.7% 528
IOI '09 P6 - Mecho IOI 15 14.8% 324
IOI '94 P2 - The Castle IOI 10 18.8% 127
IOI '94 P4 - The Clocks IOI 10 27.2% 121
IOI '95 P4 - Letter Game IOI 15p 26.9% 33
IOI '95 Practice Task 1 - Fence Factory IOI 15p 21.7% 10
IOI '95 Practice Task 3 - Bar Codes IOI 12p 35.4% 23
IOI '95 P5 - Street Race IOI 15p 24.1% 39
IOI '95 P2 - Shopping Offers IOI 15p 27.5% 42
IOI '95 Practice Task 2 - Word Chains IOI 12 43.9% 54
IOI '95 P1 - Packing Rectangles IOI 15p 45.3% 26
IOI '96 P3 - Network of Schools IOI 12p 23.7% 83
IOI '96 P4 - Sorting a Three-Valued Sequence IOI 10 31.9% 142
IOI '96 P2 - Job Processing IOI 20p 29.5% 53
IOI '96 P1 - A Game IOI 10 39.2% 270
IOI '96 P5 - Longest Prefix IOI 12 20.8% 112
IOI '97 P4 - Map Labelling IOI 20p 53.2% 3
IOI '97 P3 - The Toxic iShongololo IOI 20p 47.5% 7
IOI '98 P6 - Polygon IOI 15 32.0% 61
IOI '98 P5 - Camelot IOI 15p 40.6% 51
IOI '98 P2 - Starry Night IOI 15 41.3% 28
IOI '98 P3 - Party Lamps IOI 12p 34.0% 168
IOI '99 P5 - Flatten IOI 15p 21.8% 16
IOI '99 P2 - Hidden Codes IOI 20p 14.4% 10