412. Fizz Buzz
class Solution { public: vector<string> fizzBuzz(int n) { vector<string> res; for (int i = 1; i <= n; i++) { if (i % 3 == 0 && i % 5 == 0) res.push_back("FizzBuzz"); else if (i % 3 == 0) res.push_back("Fizz"); else if (i % 5 == 0) res.push_back("Buzz"); else res.push_back(to_string(i)); } return res; } };