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Problem Category Points AC % Users
ECOO '15 R1 P4 - Neanderthal Numbers ECOO 10p 34.4% 212
ECOO '15 R2 P1 - The Interlace Cypher ECOO 7p 46.1% 79
ECOO '15 R2 P2 - So So ECOO 12p 18.0% 11
ECOO '15 R2 P3 - Lucas' Other Tower ECOO 10p 46.3% 334
ECOO '15 R2 P4 - Rectangle Roundup ECOO 12p 34.6% 18
ECOO '15 R3 P1 - Just the Factoradics, Ma'am ECOO 7p 44.8% 40
ECOO '15 R3 P2 - Tiling Trouble ECOO 15p 20.0% 2
ECOO '15 R3 P3 - Roadie Cross ECOO 10p 11.9% 7
ECOO '15 R3 P4 - Under the Rug ECOO 12p 7.0% 2
ECOO '16 R1 P1 - Pass or Fail ECOO 5p 25.9% 312
ECOO '16 R1 P2 - Spindie ECOO 7p 24.4% 217
ECOO '16 R1 P3 - Railway Sort ECOO 7p 38.9% 344
ECOO '16 R1 P4 - Kayenne ECOO 7p 28.3% 45
ECOO '16 R2 P1 - Palindrome Panic ECOO 12p 15.1% 96
ECOO '16 R2 P2 - CC+ ECOO 7p 30.9% 52
ECOO '16 R2 P3 - BattleShip ECOO 7p 34.6% 35
ECOO '16 R2 P4 - Hop, Skip and Jump ECOO 12p 23.8% 18
ECOO '16 R3 P1 - Nerd Poker ECOO 7p 14.2% 13
ECOO '16 R3 P2 - Target Practice ECOO 10p 23.5% 17
ECOO '16 R3 P3 - CamelCase ECOO 10p 25.0% 185
ECOO '16 R3 P4 - Cuthbert's Calculator ECOO 15p 64.6% 6
ECOO '17 R1 P1 - Munch 'n' Brunch ECOO 5p 19.2% 1099
ECOO '17 R1 P2 - Chocolate Chewsday ECOO 5p 11.3% 86
ECOO '17 R1 P3 - Mountain View ECOO 7p 13.4% 78
ECOO '17 R1 P4 - Almost Sorted ECOO 7p 9.5% 64
ECOO '17 R2 P1 - Wizard's Windows ECOO 5p 53.5% 70
ECOO '17 R2 P2 - Treasure Hunt ECOO 10p 41.5% 61
ECOO '17 R2 P3 - Lunch Time ECOO 12p 15.5% 40
ECOO '17 R2 P4 - Zig Zag ECOO 12p 38.8% 33
ECOO '17 R3 P1 - Baker Brie ECOO 5p 40.1% 997
ECOO '17 R3 P2 - Family Trees ECOO 7p 26.8% 123
ECOO '17 R3 P3 - Region Selection ECOO 12p 35.5% 18
ECOO '17 R3 P4 - Ice Cream Beach ECOO 15p 18.5% 38
ECOO '18 R1 P1 - Willow's Wild Ride ECOO 5p 26.6% 817
ECOO '18 R1 P2 - Rue's Rings ECOO 5p 22.9% 515
ECOO '18 R1 P3 - Missing Art ECOO 7p 43.5% 95
ECOO '18 R1 P4 - Fibonacci Spiral ECOO 7p 36.7% 69
ECOO '18 R2 P1 - Artificial Photosynthesystem ECOO 7p 38.0% 40
ECOO '18 R2 P2 - Homework ECOO 10p 21.7% 101
ECOO '18 R2 P3 - Factorial ECOO 12p 19.4% 70
ECOO '18 R2 P4 - Three Squares ECOO 15p 30.9% 11
ECOO '18 R3 P1 - Balanced ECOO 12p 26.9% 14
ECOO '18 R3 P2 - Vegenère ECOO 12p 8.3% 6
ECOO '18 R3 P3 - Currency Exchange ECOO 10p 7.7% 14
ECOO '18 R3 P4 - Circular Cities ECOO 15p 18.2% 9
ECOO '19 R1 P1 - Free Shirts ECOO 5p 29.1% 1142
ECOO '19 R1 P2 - L-Systems Go ECOO 5p 23.1% 179
ECOO '19 R1 P3 - Side Scrolling Simulator ECOO 10p 10.3% 71
ECOO '19 R1 P4 - Bus Route ECOO 12 9.4% 12
ECOO '19 R2 P1 - Email ECOO 5p 32.9% 930