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Hot problems

Problem Category Points AC % Users
Count The Triplets Uncategorized 7 11.5% 212
Intervals Uncategorized 10p 21.0% 117
Expected Inversions Uncategorized 12p 30.9% 27
A Permutation Problem 2 Uncategorized 12 30.4% 25
IOI '00 P1 - Palindrome IOI 10p 18.6% 916
IOI '00 P2 - Car Parking IOI 15p 19.7% 68
IOI '00 P4 - Walls IOI 12 37.0% 327
IOI '00 P5 - Post Office IOI 15p 42.2% 201
IOI '00 P6 - Building with Blocks IOI 20p 8.8% 12
IOI '01 P1 - Mobile Phones IOI 15p 27.2% 763
IOI '01 P2 - Ioiwari Game IOI 12p 34.1% 12
IOI '01 P3 - Twofive IOI 25p 17.4% 71
IOI '01 P6 - Depot IOI 30p 13.2% 43
IOI '02 P1 - The Troublesome Frog IOI 15p 16.0% 88
IOI '02 P2 - Utopia Divided IOI 20p 25.9% 101
IOI '02 P4 - Batch Scheduling IOI 20p 37.5% 380
IOI '02 P5 - Bus Terminals IOI 30p 15.4% 57
IOI '03 P2 - Comparing Code IOI 25p 18.1% 34
IOI '03 P5 - Amazing Robots IOI 20 11.9% 42
IOI '03 P6 - Seeing the Boundary IOI 20p 16.8% 109
IOI '03 Practice Task 1 - Balancing Act IOI 15 43.7% 130
IOI '04 P1 - Artemis IOI 15p 7.3% 77
IOI '04 P2 - Hermes IOI 15p 23.8% 197
IOI '04 P2 - Hermes (Hard) IOI 20p 8.4% 14
IOI '04 P3 - Polygon IOI 20p 11.9% 3
IOI '04 P4 - Phidias IOI 10p 54.5% 1302
IOI '04 P5 - Farmer IOI 15p 13.1% 238
IOI '04 P6 - Empodia IOI 30p 17.0% 175
IOI '05 P1 - Garden IOI 20p 22.1% 292
IOI '05 P2 - Mountain IOI 20p 13.3% 394
IOI '05 P3 - Mean Sequence IOI 12p 20.9% 312
IOI '05 P4 - Birthday IOI 12p 15.4% 148
IOI '05 P6 - Rivers IOI 20p 30.6% 337
IOI '05 Practice Task 3 - Polish Flag IOI 20p 8.8% 6
IOI '06 P1 - Deciphering the Mayan Writing IOI 7p 39.0% 474
IOI '06 P2 - Pyramid IOI 17p 22.7% 255
IOI '06 P4 - The Valley of Mexico IOI 15p 22.7% 235
IOI '07 P1 - Aliens IOI 12p 15.6% 35
IOI '07 P2 - Flood IOI 25p 39.4% 145
IOI '07 P3 - Sails IOI 25p 21.6% 238
IOI '07 P4 - Miners IOI 15p 21.7% 468
IOI '07 P5 - Pairs IOI 25p 10.6% 131
IOI '07 P6 - Training IOI 40p 28.7% 77
IOI '08 P1 - Type Printer IOI 12p 18.6% 472
IOI '08 P2 - Islands IOI 25p 12.5% 134
IOI '08 P3 - Fish IOI 35p 10.6% 71
IOI '08 P4 - Teleporters IOI 25p 32.3% 24
IOI '08 P6 - Pyramid Base IOI 40p 10.1% 13
IOI '09 P1 - Archery IOI 45p 14.0% 44
IOI '09 P2 - Hiring IOI 12p 31.8% 274