Australian Invitational Informatics Olympiad 2011

Congratulations to all who entered the sixth AIIO on 17 February, 2011! The highest scorers were:

Competitor School q1 q2 q3 Total

Robert Newey (Year 12) Cobar High School 100 100 100 300 (Gold)

Tony Sun (Year 10) Christ's College, New Zealand 100 100 100 300 (Gold)

Dawson Xu (Year 12) Scotch College, Melbourne 100 100 100 300 (Gold)

Evgeny Martynov (Year 12) James Ruse Agricultural High School 100 100 90 290 (Silver)

Joshua Lau (Year 10) James Ruse Agricultural High School 58 100 100 258 (Silver)

Niel van der Westhuizen (Year 12) Fraser Coast Anglican College 52 100 90 242 (Silver)

Daniel Goldbach (Year 11) Emanuel School 40 100 95 235 (Silver)

Charlie Somerville (Year 10) Caulfield Grammar School 90 60 78 228 (Silver)

Eliot Courtney (Year 12) Como Secondary College 100 100 10 210 (Silver)

Darren Shen (Year 11) North Sydney Boys High School 92 80 25 197 (Bronze)

Dinesh Giritharan (Year 11) Scotch College, Melbourne 85 80 25 190 (Bronze)

Logan Glasson (Year 11) Burnside High School, New Zealand 100 80 10 190 (Bronze)

Nicholas Laver (Year 10) Hunter Christian School 100 30 50 180 (Bronze)

David Andersen (Year 12) Fraser Coast Anglican College 30 80 40 150 (Bronze)

Michael Chen (Year 8) Scotch College, Melbourne 68 49 30 147 (Bronze)

Leo Huang (Year 11) James Ruse Agricultural High School 30 90 120 (Bronze)

Nicholas Melchert (Year 12) Hillcrest High School, New Zealand 51 54 5 110 (Bronze)

Michael Su (Year 11) James Ruse Agricultural High School 62 2 35 99 (Bronze)

Vanessa Ung (Year 11) Hornsby Girls' High School 38 18 35 91 (Bronze)

Competitor	School	q1	q2	q3	Total
Robert Newey (Year 12)	Cobar High School	100	100	100	300 (Gold)
Tony Sun (Year 10)	Christ's College, New Zealand	100	100	100	300 (Gold)
Dawson Xu (Year 12)	Scotch College, Melbourne	100	100	100	300 (Gold)
Evgeny Martynov (Year 12)	James Ruse Agricultural High School	100	100	90	290 (Silver)
Joshua Lau (Year 10)	James Ruse Agricultural High School	58	100	100	258 (Silver)
Niel van der Westhuizen (Year 12)	Fraser Coast Anglican College	52	100	90	242 (Silver)
Daniel Goldbach (Year 11)	Emanuel School	40	100	95	235 (Silver)
Charlie Somerville (Year 10)	Caulfield Grammar School	90	60	78	228 (Silver)
Eliot Courtney (Year 12)	Como Secondary College	100	100	10	210 (Silver)
Darren Shen (Year 11)	North Sydney Boys High School	92	80	25	197 (Bronze)
Dinesh Giritharan (Year 11)	Scotch College, Melbourne	85	80	25	190 (Bronze)
Logan Glasson (Year 11)	Burnside High School, New Zealand	100	80	10	190 (Bronze)
Nicholas Laver (Year 10)	Hunter Christian School	100	30	50	180 (Bronze)
David Andersen (Year 12)	Fraser Coast Anglican College	30	80	40	150 (Bronze)
Michael Chen (Year 8)	Scotch College, Melbourne	68	49	30	147 (Bronze)
Leo Huang (Year 11)	James Ruse Agricultural High School		30	90	120 (Bronze)
Nicholas Melchert (Year 12)	Hillcrest High School, New Zealand	51	54	5	110 (Bronze)
Michael Su (Year 11)	James Ruse Agricultural High School	62	2	35	99 (Bronze)
Vanessa Ung (Year 11)	Hornsby Girls' High School	38	18	35	91 (Bronze)

Congratulations also to unofficial entrants Luke Harrison who scored 285, Jamie McCloskey who also scored 285 and Sarah Bennett who scored 139.

The following graphs show the full distributions of the scores for each problem (there were 40 competitors in total). You may click on each graph to enlarge it.

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