Count Binary Strings
Detailed guide and Python implementation for the 'Count Binary Strings' problem.
Problem Statement
Write a function count_binary_strings(n) that returns the number of binary strings of length n that do not contain any consecutive 1s.
- •1 <= n <= 45
Examples
count_binary_strings(2)
3
The valid strings of length 2 are '00', '01', and '10'.
count_binary_strings(3)
5
The valid strings of length 3 are '000', '001', '010', '100', and '101'.
Need a Hint?
Edge Cases to Watch
- Empty input structures
- Single element inputs
- Large numerical bounds
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