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Hot problems

Problem Category Points AC % ▾ Users
IOI '14 Practice Task 2 - Station IOI 7p 57.9% 50
IOI '94 P1 - The Triangle IOI 7p 56.5% 1480
IOI '09 P4 - Raisins IOI 10p 55.4% 543
IOI '04 P4 - Phidias IOI 10p 53.5% 885
IOI '97 P4 - Map Labelling IOI 20p 53.2% 3
IOI '09 Practice Task 3 - Museum IOI 15p 48.5% 72
IOI '97 P3 - The Toxic iShongololo IOI 20p 47.5% 7
IOI '03 Practice Task 1 - Balancing Act IOI 15 46.6% 125
IOI '09 P5 - Garage IOI 7 46.4% 532
IOI '95 P1 - Packing Rectangles IOI 15p 45.3% 26
IOI '16 P2 - Roller Coaster Railroad IOI 35p 45.1% 35
IOI '07 P2 - Flood IOI 25p 45.0% 135
IOI '14 Practice Task 1 - Square IOI 10p 44.3% 179
IOI '95 Practice Task 2 - Word Chains IOI 12 43.9% 54
IOI '12 P4 - Ideal City (Standard I/O) IOI 25p 42.9% 5
IOI '98 P2 - Starry Night IOI 15 41.3% 28
IOI '00 P5 - Post Office IOI 15p 40.6% 183
IOI '98 P5 - Camelot IOI 15p 40.6% 51
IOI '06 P1 - Deciphering the Mayan Writing IOI 7p 39.5% 433
IOI '96 P1 - A Game IOI 10 39.3% 268
IOI '02 P4 - Batch Scheduling IOI 20p 37.6% 320
IOI '10 P1 - Cluedo IOI 5p 36.0% 137
IOI '00 P4 - Walls IOI 12 35.9% 224
IOI '95 Practice Task 3 - Bar Codes IOI 12p 35.4% 23
IOI '01 P2 - Ioiwari Game IOI 12p 34.5% 7
IOI '98 P3 - Party Lamps IOI 12p 34.0% 168
IOI '10 P6 - Traffic Congestion (Standard I/O) IOI 10p 33.0% 416
IOI '09 P2 - Hiring IOI 12p 32.3% 251
IOI '98 P6 - Polygon IOI 15 32.0% 61
IOI '96 P4 - Sorting a Three-Valued Sequence IOI 10 31.9% 142
IOI '99 P4 - Traffic Lights IOI 15 31.1% 28
IOI '12 P3 - Crayfish Scrivener IOI 15p 31.0% 82
IOI '98 P4 - Picture IOI 15p 31.0% 224
IOI '99 P1 - Little Shop of Flowers IOI 10 30.6% 204
IOI '08 P4 - Teleporters IOI 25p 30.2% 13
IOI '05 P6 - Rivers IOI 20p 29.9% 283
IOI '96 P2 - Job Processing IOI 20p 29.5% 53
IOI '21 P4 - Mutating DNA IOI 12p 29.5% 73
IOI '09 P3 - POI IOI 7 28.8% 528
IOI '11 P4 - Crocodile's Underground City IOI 17p 28.5% 86
IOI '10 P3 - Quality of Living (Standard I/O) IOI 15p 28.0% 337
IOI '14 Practice Task 3 - Tile IOI 10p 28.0% 55
IOI '10 P3 - Quality of Living IOI 15p 27.9% 147
IOI '07 P6 - Training IOI 40p 27.9% 67
IOI '14 P3 - Game IOI 20p 27.8% 217
IOI '95 P2 - Shopping Offers IOI 15p 27.5% 42
IOI '01 P1 - Mobile Phones IOI 15p 27.5% 703
IOI '94 P4 - The Clocks IOI 10 27.2% 121
IOI '95 P4 - Letter Game IOI 15p 26.9% 33
IOI '14 P5 - Friend IOI 30p 26.2% 99