425. String Array Prefix Match Count

Given an array of strings words and a string s, return the number of strings in words that have s as a prefix. A string a has prefix b if a starts with b.

Example 1:
Input: words = ["a", "b", "abc", "d", "ab"], s = "a"
Output: 3 (Strings "a", "abc", and "ab" start with "a")

Example 2:
Input: words = ["apple", "app", "apricot", "banana"], s = "ap"
Output: 3

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