LeetCode - 412. Fizz Buzz(Math, String, Simulation)

문제

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.

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

Example 1:

nput: 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"]

풀이

class Solution {
    public List<String> fizzBuzz(int n) {
        List<String> res = new ArrayList<String>();
        
        for(int i=1; i<=n; i++){
            if(i%15==0){
                res.add("FizzBuzz");
            }else if(i%3==0){
                res.add("Fizz");
            }else if(i%5==0){
                res.add("Buzz");
            }else{
                res.add(String.valueOf(i));
            }
        }
        
        return res;
    }
}