412.fizz-buzz.java

/*
 * @lc app=leetcode id=412 lang=java
 *
 * [412] Fizz Buzz
 *
 * https://leetcode.com/problems/fizz-buzz/description/
 *
 * algorithms
 * Easy (58.89%)
 * Total Accepted:    195.4K
 * Total Submissions: 329.7K
 * Testcase Example:  '1'
 *
 * Write a program that outputs the string representation of numbers from 1 to
 * n.
 *
 * But for multiples of three it should output “Fizz” instead of the number and
 * for the multiples of five output “Buzz”. For numbers which are multiples of
 * both three and five output “FizzBuzz”.
 *
 * Example:
 *
 * n = 15,
 *
 * Return:
 * [
 * ⁠   "1",
 * ⁠   "2",
 * ⁠   "Fizz",
 * ⁠   "4",
 * ⁠   "Buzz",
 * ⁠   "Fizz",
 * ⁠   "7",
 * ⁠   "8",
 * ⁠   "Fizz",
 * ⁠   "Buzz",
 * ⁠   "11",
 * ⁠   "Fizz",
 * ⁠   "13",
 * ⁠   "14",
 * ⁠   "FizzBuzz"
 * ]
 *
 *
 */
class Solution {
  public List<String> fizzBuzz(int n) {
    List<String> result = new ArrayList<>();
    for (int i = 1; i <= n; i++) {
      if (i % 15 == 0) {
        result.add("FizzBuzz");
      } else if (i % 5 == 0) {
        result.add("Buzz");
      } else if (i % 3 == 0) {
        result.add("Fizz");
      } else {
        result.add("" + i);
      }
    }
    return result;
  }
}