Problem
Given a string S and a character C, count how many times C appears as a prefix of S (i.e., at the start of the string and after every space).
Input format
Input
input.txt
- String S (may contain spaces, up to 100 chars) - Character C
Output format
Output
output.txt
- Integer: number of times C appears as a prefix
Example
input
apple banana apricot a
output
2
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Sample cases (from the problem)
Sample Case 1
Input
apple banana apricot a
Expected output
2
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