Wednesday, February 3, 2016

Fizz Buzz

Fizz Buzz

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"
]


 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
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 % 3 == 0) {
                results.add("fizz");
            }
            else if (i % 5 == 0) {
                results.add("buzz");
            }
            else {
                results.add(Integer.toString(i));
            }
        }
        
        return results;
    }
}
Posted by at