Fizz Buzz 9

Question

Given number n. Print number from 1 to n. But:

when number is divided by 3, print "fizz".

when number is divided by 5, print "buzz".

when number is divided by both 3 and 5, print "fizz buzz".

Example

If n = 15, you should return:

[ "1", "2", "fizz", "4", "buzz", "fizz", "7", "8", "fizz", "buzz", "11", "fizz", "13", "14", "fizz buzz" ]

Solution

看能否被15，3，5整除即可。

代码如下：

class Solution {
    /**
     * param n: As description.
     * return: A list of strings.
     */
    public ArrayList<String> fizzBuzz(int n) {
        ArrayList<String> results = new ArrayList<String>();
        for (int i = 1; i <= n; i++) {
            if (i % 15 == 0) {
                results.add("fizz buzz");
            } else if (i % 5 == 0) {
                results.add("buzz");
            } else if (i % 3 == 0) {
                results.add("fizz");
            } else {
                results.add(String.valueOf(i));
            }
        }
        return results;
    }
}