LeetCode 412: Fizz Buzz | Efficient C++ Solution Explained

In this video, we will solve the popular LeetCode problem 412: FizzBuzz using C++. I will walk you through the problem statement, explain the solution step-by-step, and demonstrate how to implement it efficiently in C++. By the end of this video, you will have a clear understanding of how to tackle this problem and similar ones in coding interviews.

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LeetCode Problem 412: FizzBuzz
Given an integer `n`, return a string array answer (1-indexed) where:
answer[i] == "FizzBuzz" if i is divisible by 3 and 5.
answer[i] == "Fizz" if i is divisible by 3.
answer[i] == "Buzz" if i is divisible by 5.
answer[i] == i (as a string) if none of the above conditions are true.

Example 1:
Input: n = 3
Output: ["1", "2", "Fizz"]

Example 2:
Input: n = 5
Output: ["1", "2", "Fizz", "4", "Buzz"]

Example 3:
Input: n = 15
Output: ["1", "2", "Fizz", "4", "Buzz", "Fizz", "7", "8", "Fizz", "Buzz", "11", "Fizz", "13", "14", "FizzBuzz"]

Code Repository:

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