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Problem Category Points AC % Users
Inaho V Uncategorized 3p 18.7% 208
Inaho VI Uncategorized 10p 31.1% 41
Inaho VII Uncategorized 25p 25.8% 9
Inaho VIII Uncategorized 20 36.6% 10
Inaho IX Uncategorized 20p 27.8% 45
Infinity Uncategorized 3 35.5% 545
Cosmic Inflation Uncategorized 7 50.0% 28
Count The Triplets Uncategorized 7 10.5% 170
Intervals Uncategorized 10p 20.5% 110
Expected Inversions Uncategorized 12p 33.1% 24
A Permutation Problem 2 Uncategorized 12 30.7% 20
IOI '00 P1 - Palindrome IOI 10p 18.4% 825
IOI '00 P2 - Car Parking IOI 15p 17.7% 53
IOI '00 P4 - Walls IOI 12 35.9% 224
IOI '00 P5 - Post Office IOI 15p 40.6% 183
IOI '00 P6 - Building with Blocks IOI 20p 6.6% 7
IOI '01 P1 - Mobile Phones IOI 15p 27.4% 701
IOI '01 P2 - Ioiwari Game IOI 12p 34.5% 7
IOI '01 P3 - Twofive IOI 25p 16.8% 64
IOI '01 P6 - Depot IOI 30p 12.1% 39
IOI '02 P1 - The Troublesome Frog IOI 15p 16.5% 78
IOI '02 P2 - Utopia Divided IOI 20p 24.5% 91
IOI '02 P4 - Batch Scheduling IOI 20p 37.6% 320
IOI '02 P5 - Bus Terminals IOI 30p 14.8% 53
IOI '03 P2 - Comparing Code IOI 25p 17.6% 32
IOI '03 P5 - Amazing Robots IOI 20 11.4% 38
IOI '03 P6 - Seeing the Boundary IOI 20p 16.1% 63
IOI '03 Practice Task 1 - Balancing Act IOI 15 46.6% 125
IOI '04 P1 - Artemis IOI 15p 6.9% 68
IOI '04 P2 - Hermes IOI 15p 23.5% 188
IOI '04 P2 - Hermes (Hard) IOI 20p 8.1% 9
IOI '04 P3 - Polygon IOI 20p 3.1% 1
IOI '04 P4 - Phidias IOI 10p 53.4% 879
IOI '04 P5 - Farmer IOI 15p 13.3% 210
IOI '04 P6 - Empodia IOI 30p 16.8% 138
IOI '05 P1 - Garden IOI 20p 21.7% 252
IOI '05 P2 - Mean Sequence IOI 12p 20.9% 270
IOI '05 P3 - Mountain IOI 20p 13.5% 296
IOI '05 P4 - Birthday IOI 12p 15.7% 141
IOI '05 P6 - Rivers IOI 20p 29.9% 283
IOI '05 Practice Task 3 - Polish Flag IOI 20p 10.6% 4
IOI '06 P1 - Deciphering the Mayan Writing IOI 7p 39.5% 432
IOI '06 P2 - Pyramid IOI 17p 22.5% 216
IOI '06 P4 - The Valley of Mexico IOI 15p 22.0% 214
IOI '07 P1 - Aliens IOI 12p 15.3% 21
IOI '07 P2 - Flood IOI 25p 45.0% 135
IOI '07 P3 - Sails IOI 25p 21.5% 210
IOI '07 P4 - Miners IOI 15p 21.2% 443
IOI '07 P5 - Pairs IOI 25p 10.0% 116
IOI '07 P6 - Training IOI 40p 27.9% 67