AP CS A- Recursion and 2D Arrays

What is the value returned by the call what(A,5) where A has been initialized by the statement

int[] A = {1,2,1,1,2}

• 1

• 2

• 3

• 4

What is the value returned by the call what(123)?

• 1

• 2

• 3

• 0

• 1 1 1 1 1

  1 1 1 1 1

  1 1 1 1 1

  1 1 1 1 1

  1 1 1 1 1

• -1 1 1 1 1

  1 -1 1 1 1

  1 1 -1 1 1

  1 1 1 -1 1

  1 1 1 1 -1

• -1 -1 -1 -1 -1

  -1 -1 -1 -1 -1

  -1 -1 -1 -1 -1

  -1 -1 -1 -1 -1

  -1 -1 -1 -1 -1

• -1 1 -1 1 -1

  1 -1 1 -1 1

  -1 1 -1 1 -1

  1 -1 1 -1 1

  -1 1 -1 1 -1

Which of the following represents the contents of grid after the segment is executed?

• 1 2

  3 4

  5 6

  7 8

• 1 2 3 4

  5 6 7 8

• 1 3 5 7

  2 4 6 8

• 1 5

  2 6

  3 7

  4 8

What is the value returned by the call what (“ay caramba”)”

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• 3

• 4

Which of the following represents grid?

• A B C

  D E F

  G H I

• A A A

  A A A

  A A A

• A D G

  B E H

  C F I

• C C C

  F F F

  I I I

What i the value returned by the call

repl(“All of the above”)?

• “All of the above”

• “All+of+the+above”

• “Alloftheabove”

• “All”

On the call to fib(3) how many recursive calls are made to the fib() method, not including the initial call?

• 1

• 2

• 3

• 4

Which of the following represents B after the segment is executed?

• 1 2 3 4

  5 6 7 8

• 5 6 7 8

  1 2 3 4

• 1 5

  2 6

  3 7

  4 8

• 5 1

  6 2

  7 3

  8 4

What is the value returned by the call gcd(5,3)?

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• 3

• 5

• m%n