FizzBuzz leetcode

FizzBuzz.cpp

// https://leetcode.com/problems/fizz-buzz/

class Solution {
public:
    const char* fizzbuzz[4] = { nullptr, "Fizz", "Buzz", "FizzBuzz" };
    const uint8_t pattern[15] = { 3, 0, 0, 1, 0, 2, 1, 0, 0, 1, 2, 0, 1, 0, 0 };
    vector<string> fizzBuzz(int n)
    {
        vector<string> result(n);
        for (int i = 1, m = 1; i <= n; ++i, ++m) {
            if (m == 15) m = 0;
            const uint8_t x = pattern[m];
            result[i - 1] = (x == 0) ? std::to_string(i) : fizzbuzz[x];
        }
        return result;
    }
};