412.Fizz Buzz

给你一个整数 n ,找出从 1 到 n 各个整数的 Fizz Buzz 表示,并用字符串数组 answer(下标从 1 开始)返回结果,其中:

  • answer[i] == "FizzBuzz" 如果 i 同时是 3 和 5 的倍数。
  • answer[i] == "Fizz" 如果 i 是 3 的倍数。
  • answer[i] == "Buzz" 如果 i 是 5 的倍数。
  • answer[i] == i (以字符串形式)如果上述条件全不满足。

示例 1:

输入:n = 3
输出:["1","2","Fizz"]

示例 2:

输入:n = 5
输出:["1","2","Fizz","4","Buzz"]

示例 3:

输入:n = 15
输出:["1","2","Fizz","4","Buzz","Fizz","7","8","Fizz","Buzz","11","Fizz","13","14","FizzBuzz"]

提示:

  • 1 <= n <= 104

解法

/**
 * @param {number} n
 * @return {string[]}
 */
var fizzBuzz = function (n) {
  const res = [];

  for (let i = 1; i <= n; i++) {
    const five = i % 5 === 0;
    const three = i % 3 === 0;

    if (five && three) {
      res.push("FizzBuzz");
    } else if (three) {
      res.push("Fizz");
    } else if (five) {
      res.push("Buzz");
    } else {
      res.push(i + "");
    }
  }

  return res;
};