Unique Email Counter

Your task is to count the number of unique email addresses. An email is considered unique if the local part (before the '@') is distinct, ignoring '.'s and any characters after a '+' sign. Implement a Trie to store the processed local parts of emails. Input Format: The first line contains an integer n (1 ≤ n ≤ 1000), the number of emails. Each of the next n lines contains a single email address. Output Format: Print a single integer — the count of unique emails. Example: Input: 4 test.email@example.com testemail@example.com test.email+alex@leetcode.com test.email@leetcode.com Output: 2