What is the number of nested levels for the code fragment? 2 credits [K3]

Question

Options

• A0
• B1
• C2
• D3

• A
  10% (3)
• B
  3% (1)
• C
  84% (26)
• D
  3% (1)

Explanation

Option C (2) is correct because the code fragment contains two control structures (such as loops or conditionals) where one is entirely embedded inside the other - the outermost structure counts as level 1, and the structure nested within it counts as level 2.

Option A (0) is wrong because zero nesting means purely sequential code with no control structures at all, which clearly isn't the case here. Option B (1) is wrong because that would require only a single control structure with nothing nested inside it. Option D (3) would require a third structure embedded within the second nested structure, which exceeds what's present in the fragment.

Memory tip: Count the number of times you "step inward" past a new control structure (loop, if, switch, etc.) from the outermost level - each step inward adds one nesting level. Alternatively, picture matching brackets or indentation layers: two layers deep = 2 nested levels.

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