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What will be the result of a binary search for the value 10 in the array [1, 2,

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Question: What will be the result of a binary search for the value 10 in the array [1, 2, 3, 4, 5, 6, 7, 8, 9]?

Options:

  1. Found
  2. Not Found
  3. Error
  4. Undefined

Correct Answer: Not Found

Solution: 

The value 10 is not present in the array, so the result will be \'Not Found\'.

What will be the result of a binary search for the value 10 in the array [1, 2,

Practice Questions

Q1
What will be the result of a binary search for the value 10 in the array [1, 2, 3, 4, 5, 6, 7, 8, 9]?
  1. Found
  2. Not Found
  3. Error
  4. Undefined

Questions & Step-by-Step Solutions

What will be the result of a binary search for the value 10 in the array [1, 2, 3, 4, 5, 6, 7, 8, 9]?
  • Step 1: Understand the array [1, 2, 3, 4, 5, 6, 7, 8, 9].
  • Step 2: Set low to 0 and high to 8.
  • Step 3: Calculate middle index: middle = (0 + 8) // 2 = 4.
  • Step 4: Check value at index 4, which is 5.
  • Step 5: Since 10 is greater than 5, update low to 5.
  • Step 6: Calculate new middle index: middle = (5 + 8) // 2 = 6.
  • Step 7: Check value at index 6, which is 7.
  • Step 8: Since 10 is greater than 7, update low to 7.
  • Step 9: Calculate new middle index: middle = (7 + 8) // 2 = 7.
  • Step 10: Check value at index 7, which is 8.
  • Step 11: Since 10 is greater than 8, update low to 8.
  • Step 12: Calculate new middle index: middle = (8 + 8) // 2 = 8.
  • Step 13: Check value at index 8, which is 9.
  • Step 14: Since 10 is greater than 9, update low to 9.
  • Step 15: Now low (9) is greater than high (8), search ends.
  • Step 16: Conclude that value 10 is not found in the array.
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