LeetCode: 412. Fizz Buzz

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412. Fizz Buzz

LeetCode - Fizz Buzz

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"
]

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/**
 * Runtime: 2 ms, faster than 29.17% of Java online submissions for Fizz Buzz.
 *
 * Memory Usage: 45.5 MB, less than 5.40% of Java online submissions for Fizz Buzz.
 *
 * @author D瓜哥 · https://www.diguage.com
 * @since 2020-01-26 23:17
 */
public List<String> fizzBuzz(int n) {
    List<String> result = new ArrayList<>(n);
    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(String.valueOf(i));
        }
    }
    return result;
}