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Description
Write a recursive method int countDigits(int n) that returns how many digits are in n. The key idea over recursion in this...
X1614: Count the digits of an integer
Description
Write a recursive method int countDigits(int n) that returns how many digits are in n. The key idea over recursion in this method is:
- Base case: n < 10 → return 1
- Recursive case: 1 + countDigits(n / 10)
Examples:
countDigits(174) -> 3
countDigits(2025) -> 4
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