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Lynbrook Computer Science

Lynbrook Computer Science

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Lynbrook Computer Science

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Presentation Transcript

  1. Lynbrook Computer Science Monday, December 7th, 2009

  2. American Computer Science League (ACSL) • Fun computer science contest • Written portion • 5 questions, 40 minutes • Programming portion • Free response, take home, 72 hours

  3. Divisions • Senior division • APCS students • Advanced computer science concepts • Intermediate division • JAVA students • Intermediate computer science concepts

  4. Topics Covered • LISP • (CDR ’((2 (3))(4 (5 6) 7))) • Computer Number Systems • X16 = 36768 • Recursion • y = f (f (x-2))+1 if x > 1; y = 1 if x = 1 • IF-THEN-ELSE • Programming Portion • if (<condition>) { <stuff> } else { <otherStuff> }

  5. Scoring • Written portion • 5 questions, 5 points • Programming portion • 1 question, 5 test cases, 5 points • Total score = out of ten • inttotalScore = written.computeScore() + program.computeScore(); • 0 <= totalScore <= 10

  6. Team placement • Team for each division • 5 members per team • Top 5 total scores from each division are sent

  7. Extra Credit! • APCS students • Only awarded for Senior Division • JAVA students • Awarded for any division • Both parts must be taken for extra credit • No late submissions accepted!

  8. Dates • Programming portion • Prompt distributed on Friday, 12/11/09 • Program Due online by 10:00AM on Monday, 12/14/09 • Written portion • Taken during lunch on Monday, 12/14/09, in Mr. Peck’s room