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C++ Solution to Coding Challenge 929. Unique Email Addresses

Basic string operations

Problem statement

Every valid email consists of a local name and a domain name, separated by the '@' sign. Besides lowercase letters, the email may contain one or more '.' or '+'.

For example, in "alice@leetcode.com", "alice" is the local name, and…



LeetSolve shares how to solve a coding question in C++. The questions are selected from leetcode.com. You can learn from LeetSolve’s posts essential algorithms, basic data structures, elementary C++ programming language and common coding techniques.

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